[ 130.418926] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 130.419821] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 130.420714] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.421756] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.422653] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.423554] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.424451] ------------[ cut here ]------------ [ 130.424464] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 130.424465] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 130.424488] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 130.424509] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 130.424510] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 130.424519] Workqueue: events i915_hotplug_work_func [i915] [ 130.424521] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 130.424523] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 130.424525] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 130.424527] Call Trace: [ 130.424530] [] dump_stack+0x45/0x56 [ 130.424532] [] warn_slowpath_common+0x7d/0xa0 [ 130.424535] [] warn_slowpath_null+0x1a/0x20 [ 130.424547] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 130.424560] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 130.424572] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 130.424584] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 130.424594] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 130.424596] [] process_one_work+0x182/0x4e0 [ 130.424598] [] worker_thread+0x6b/0x6a0 [ 130.424600] [] ? process_one_work+0x4e0/0x4e0 [ 130.424603] [] kthread+0xdb/0x100 [ 130.424605] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 130.424607] [] ret_from_fork+0x7c/0xb0 [ 130.424610] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 130.424611] ---[ end trace efdbe4ce60fe98e5 ]--- [ 130.425545] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.426161] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 130.426770] [drm:intel_dp_start_link_train] clock recovery OK [ 130.427077] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting [ 130.433190] [drm:intel_dp_detect] [CONNECTOR:22:DP-1] [ 130.433470] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 130.467718] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 130.468033] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 130.468965] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.469595] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 130.470211] [drm:intel_dp_start_link_train] clock recovery OK [ 130.471122] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 130.472022] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.472932] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 130.481104] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful [ 130.481271] [drm:intel_hdmi_detect] [CONNECTOR:23:HDMI-A-1] [ 130.481436] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1) [ 130.481438] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb [ 130.894382] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00200000 [ 130.894386] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 4 - cnt: 0 [ 130.894410] [drm:i915_hotplug_work_func] running encoder hotplug functions [ 130.894413] [drm:i915_hotplug_work_func] Connector DP-1 (pin 4) received hotplug event. [ 130.894414] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 4) received hotplug event. [ 130.894918] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 130.895239] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 130.896176] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.897661] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 130.898284] [drm:intel_dp_start_link_train] clock recovery OK [ 130.899195] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 130.900100] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 130.900995] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.901904] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.902811] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.903714] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.904613] ------------[ cut here ]------------ [ 130.904652] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 130.904654] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 130.904685] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 130.904716] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 130.904718] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 130.904733] Workqueue: events i915_hotplug_work_func [i915] [ 130.904735] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 130.904738] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 130.904741] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 130.904744] Call Trace: [ 130.904751] [] dump_stack+0x45/0x56 [ 130.904756] [] warn_slowpath_common+0x7d/0xa0 [ 130.904759] [] warn_slowpath_null+0x1a/0x20 [ 130.904777] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 130.904795] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 130.904812] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 130.904828] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 130.904843] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 130.904846] [] process_one_work+0x182/0x4e0 [ 130.904849] [] worker_thread+0x6b/0x6a0 [ 130.904852] [] ? process_one_work+0x4e0/0x4e0 [ 130.904855] [] kthread+0xdb/0x100 [ 130.904858] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 130.904861] [] ret_from_fork+0x7c/0xb0 [ 130.904865] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 130.904866] ---[ end trace efdbe4ce60fe98e6 ]--- [ 130.905803] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.906435] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 130.907051] [drm:intel_dp_start_link_train] clock recovery OK [ 130.907957] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 130.908857] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 130.909755] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.910668] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.911567] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.912465] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.913363] ------------[ cut here ]------------ [ 130.913378] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 130.913378] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 130.913402] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 130.913423] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 130.913424] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 130.913435] Workqueue: events i915_hotplug_work_func [i915] [ 130.913436] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 130.913438] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 130.913440] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 130.913443] Call Trace: [ 130.913446] [] dump_stack+0x45/0x56 [ 130.913448] [] warn_slowpath_common+0x7d/0xa0 [ 130.913450] [] warn_slowpath_null+0x1a/0x20 [ 130.913464] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 130.913477] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 130.913489] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 130.913501] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 130.913511] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 130.913513] [] process_one_work+0x182/0x4e0 [ 130.913515] [] worker_thread+0x6b/0x6a0 [ 130.913518] [] ? process_one_work+0x4e0/0x4e0 [ 130.913520] [] kthread+0xdb/0x100 [ 130.913522] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 130.913525] [] ret_from_fork+0x7c/0xb0 [ 130.913527] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 130.913528] ---[ end trace efdbe4ce60fe98e7 ]--- [ 130.914473] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.915088] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 130.915779] [drm:intel_dp_start_link_train] clock recovery OK [ 130.916683] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 130.917574] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 130.918480] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.919377] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.920283] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.921156] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.922000] ------------[ cut here ]------------ [ 130.922014] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 130.922015] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 130.922038] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 130.922059] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 130.922061] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 130.922071] Workqueue: events i915_hotplug_work_func [i915] [ 130.922072] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 130.922074] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 130.922076] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 130.922078] Call Trace: [ 130.922081] [] dump_stack+0x45/0x56 [ 130.922084] [] warn_slowpath_common+0x7d/0xa0 [ 130.922086] [] warn_slowpath_null+0x1a/0x20 [ 130.922099] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 130.922111] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 130.922124] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 130.922135] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 130.922146] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 130.922148] [] process_one_work+0x182/0x4e0 [ 130.922150] [] worker_thread+0x6b/0x6a0 [ 130.922152] [] ? process_one_work+0x4e0/0x4e0 [ 130.922154] [] kthread+0xdb/0x100 [ 130.922157] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 130.922159] [] ret_from_fork+0x7c/0xb0 [ 130.922161] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 130.922163] ---[ end trace efdbe4ce60fe98e8 ]--- [ 130.923095] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.923711] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 130.924317] [drm:intel_dp_start_link_train] clock recovery OK [ 130.925337] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 130.926234] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 130.927130] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.928030] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.928928] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.929828] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.930729] ------------[ cut here ]------------ [ 130.930743] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 130.930744] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 130.930768] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 130.930789] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 130.930790] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 130.930800] Workqueue: events i915_hotplug_work_func [i915] [ 130.930801] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 130.930803] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 130.930805] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 130.930807] Call Trace: [ 130.930810] [] dump_stack+0x45/0x56 [ 130.930813] [] warn_slowpath_common+0x7d/0xa0 [ 130.930815] [] warn_slowpath_null+0x1a/0x20 [ 130.930828] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 130.930841] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 130.930853] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 130.930865] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 130.930876] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 130.930878] [] process_one_work+0x182/0x4e0 [ 130.930880] [] worker_thread+0x6b/0x6a0 [ 130.930882] [] ? process_one_work+0x4e0/0x4e0 [ 130.930884] [] kthread+0xdb/0x100 [ 130.930887] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 130.930889] [] ret_from_fork+0x7c/0xb0 [ 130.930891] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 130.930893] ---[ end trace efdbe4ce60fe98e9 ]--- [ 130.931824] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.932436] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 130.933049] [drm:intel_dp_start_link_train] clock recovery OK [ 130.933954] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 130.934852] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 130.935763] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.936671] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.937572] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.938482] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.939380] ------------[ cut here ]------------ [ 130.939396] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 130.939397] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 130.939420] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 130.939441] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 130.939442] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 130.939453] Workqueue: events i915_hotplug_work_func [i915] [ 130.939454] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 130.939457] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 130.939459] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 130.939461] Call Trace: [ 130.939465] [] dump_stack+0x45/0x56 [ 130.939467] [] warn_slowpath_common+0x7d/0xa0 [ 130.939470] [] warn_slowpath_null+0x1a/0x20 [ 130.939483] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 130.939496] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 130.939509] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 130.939521] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 130.939532] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 130.939534] [] process_one_work+0x182/0x4e0 [ 130.939536] [] worker_thread+0x6b/0x6a0 [ 130.939538] [] ? process_one_work+0x4e0/0x4e0 [ 130.939541] [] kthread+0xdb/0x100 [ 130.939543] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 130.939545] [] ret_from_fork+0x7c/0xb0 [ 130.939548] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 130.939549] ---[ end trace efdbe4ce60fe98ea ]--- [ 130.940481] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.941101] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 130.941705] [drm:intel_dp_start_link_train] clock recovery OK [ 130.942610] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 130.943504] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 130.944397] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.945298] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.946205] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.947102] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.947999] ------------[ cut here ]------------ [ 130.948012] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 130.948013] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 130.948036] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 130.948057] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 130.948058] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 130.948068] Workqueue: events i915_hotplug_work_func [i915] [ 130.948069] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 130.948072] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 130.948074] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 130.948076] Call Trace: [ 130.948079] [] dump_stack+0x45/0x56 [ 130.948081] [] warn_slowpath_common+0x7d/0xa0 [ 130.948084] [] warn_slowpath_null+0x1a/0x20 [ 130.948097] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 130.948110] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 130.948122] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 130.948134] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 130.948144] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 130.948146] [] process_one_work+0x182/0x4e0 [ 130.948148] [] worker_thread+0x6b/0x6a0 [ 130.948150] [] ? process_one_work+0x4e0/0x4e0 [ 130.948153] [] kthread+0xdb/0x100 [ 130.948155] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 130.948157] [] ret_from_fork+0x7c/0xb0 [ 130.948160] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 130.948161] ---[ end trace efdbe4ce60fe98eb ]--- [ 130.949093] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.949714] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 130.950322] [drm:intel_dp_start_link_train] clock recovery OK [ 130.950630] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting [ 130.958082] [drm:intel_dp_detect] [CONNECTOR:22:DP-1] [ 130.958362] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 130.992608] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 130.992923] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 130.993854] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.994473] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 130.995088] [drm:intel_dp_start_link_train] clock recovery OK [ 130.995999] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 130.996900] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 130.997923] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 130.998826] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 131.006010] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful [ 131.006179] [drm:intel_hdmi_detect] [CONNECTOR:23:HDMI-A-1] [ 131.006336] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1) [ 131.006338] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb [ 131.418829] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00200000 [ 131.418833] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 4 - cnt: 1 [ 131.418857] [drm:i915_hotplug_work_func] running encoder hotplug functions [ 131.418859] [drm:i915_hotplug_work_func] Connector DP-1 (pin 4) received hotplug event. [ 131.418860] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 4) received hotplug event. [ 131.419367] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 131.419689] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 131.420626] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.422112] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 131.422728] [drm:intel_dp_start_link_train] clock recovery OK [ 131.423639] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 131.424542] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 131.425446] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.426347] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 131.434718] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful [ 131.434882] [drm:intel_dp_detect] [CONNECTOR:22:DP-1] [ 131.435161] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 131.469412] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 131.469728] [drm:intel_hdmi_detect] [CONNECTOR:23:HDMI-A-1] [ 131.469882] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1) [ 131.469884] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb [ 131.847451] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00200000 [ 131.847456] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 4 - cnt: 2 [ 131.847470] [drm:i915_hotplug_work_func] running encoder hotplug functions [ 131.847472] [drm:i915_hotplug_work_func] Connector DP-1 (pin 4) received hotplug event. [ 131.847475] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 4) received hotplug event. [ 131.847972] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 131.848299] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 131.849245] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.850739] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 131.851422] [drm:intel_dp_start_link_train] clock recovery OK [ 131.852337] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 131.853244] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 131.854146] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.855063] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.855992] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.856903] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.857813] ------------[ cut here ]------------ [ 131.857857] WARNING: CPU: 1 PID: 71 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 131.857859] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 131.857899] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 131.857937] CPU: 1 PID: 71 Comm: kworker/1:2 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 131.857939] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 131.857958] Workqueue: events i915_hotplug_work_func [i915] [ 131.857960] 0000000000000009 ffff8800d739fc88 ffffffff8277fcbc 0000000000000000 [ 131.857964] ffff8800d739fcc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 131.857967] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff8800d739fcd0 [ 131.857971] Call Trace: [ 131.857979] [] dump_stack+0x45/0x56 [ 131.857985] [] warn_slowpath_common+0x7d/0xa0 [ 131.857989] [] warn_slowpath_null+0x1a/0x20 [ 131.858012] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 131.858034] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 131.858055] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 131.858075] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 131.858093] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 131.858097] [] process_one_work+0x182/0x4e0 [ 131.858101] [] worker_thread+0x6b/0x6a0 [ 131.858104] [] ? __schedule+0x39d/0x890 [ 131.858108] [] ? process_one_work+0x4e0/0x4e0 [ 131.858112] [] kthread+0xdb/0x100 [ 131.858116] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 131.858120] [] ret_from_fork+0x7c/0xb0 [ 131.858124] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 131.858126] ---[ end trace efdbe4ce60fe98ec ]--- [ 131.859077] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.859703] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 131.860328] [drm:intel_dp_start_link_train] clock recovery OK [ 131.861244] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 131.862146] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 131.863056] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.863981] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.864882] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.865783] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.866682] ------------[ cut here ]------------ [ 131.866695] WARNING: CPU: 1 PID: 71 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 131.866696] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 131.866719] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 131.866739] CPU: 1 PID: 71 Comm: kworker/1:2 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 131.866741] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 131.866750] Workqueue: events i915_hotplug_work_func [i915] [ 131.866751] 0000000000000009 ffff8800d739fc88 ffffffff8277fcbc 0000000000000000 [ 131.866754] ffff8800d739fcc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 131.866756] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff8800d739fcd0 [ 131.866758] Call Trace: [ 131.866760] [] dump_stack+0x45/0x56 [ 131.866763] [] warn_slowpath_common+0x7d/0xa0 [ 131.866765] [] warn_slowpath_null+0x1a/0x20 [ 131.866778] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 131.866790] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 131.866802] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 131.866814] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 131.866825] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 131.866827] [] process_one_work+0x182/0x4e0 [ 131.866829] [] worker_thread+0x6b/0x6a0 [ 131.866831] [] ? __schedule+0x39d/0x890 [ 131.866833] [] ? process_one_work+0x4e0/0x4e0 [ 131.866835] [] kthread+0xdb/0x100 [ 131.866838] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 131.866840] [] ret_from_fork+0x7c/0xb0 [ 131.866842] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 131.866844] ---[ end trace efdbe4ce60fe98ed ]--- [ 131.867777] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.868392] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 131.868995] [drm:intel_dp_start_link_train] clock recovery OK [ 131.869907] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 131.870802] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 131.871722] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.872633] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.873530] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.874429] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.875328] ------------[ cut here ]------------ [ 131.875340] WARNING: CPU: 1 PID: 71 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 131.875341] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 131.875364] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 131.875385] CPU: 1 PID: 71 Comm: kworker/1:2 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 131.875386] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 131.875395] Workqueue: events i915_hotplug_work_func [i915] [ 131.875396] 0000000000000009 ffff8800d739fc88 ffffffff8277fcbc 0000000000000000 [ 131.875398] ffff8800d739fcc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 131.875400] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff8800d739fcd0 [ 131.875403] Call Trace: [ 131.875405] [] dump_stack+0x45/0x56 [ 131.875408] [] warn_slowpath_common+0x7d/0xa0 [ 131.875410] [] warn_slowpath_null+0x1a/0x20 [ 131.875422] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 131.875435] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 131.875447] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 131.875467] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 131.875484] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 131.875493] [] process_one_work+0x182/0x4e0 [ 131.875496] [] worker_thread+0x6b/0x6a0 [ 131.875498] [] ? __schedule+0x39d/0x890 [ 131.875500] [] ? process_one_work+0x4e0/0x4e0 [ 131.875502] [] kthread+0xdb/0x100 [ 131.875504] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 131.875507] [] ret_from_fork+0x7c/0xb0 [ 131.875509] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 131.875510] ---[ end trace efdbe4ce60fe98ee ]--- [ 131.876462] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.877053] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 131.877658] [drm:intel_dp_start_link_train] clock recovery OK [ 131.878563] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 131.879461] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 131.880362] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.881268] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.882167] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.883076] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.883997] ------------[ cut here ]------------ [ 131.884009] WARNING: CPU: 1 PID: 71 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 131.884010] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 131.884033] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 131.884053] CPU: 1 PID: 71 Comm: kworker/1:2 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 131.884055] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 131.884064] Workqueue: events i915_hotplug_work_func [i915] [ 131.884065] 0000000000000009 ffff8800d739fc88 ffffffff8277fcbc 0000000000000000 [ 131.884067] ffff8800d739fcc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 131.884069] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff8800d739fcd0 [ 131.884071] Call Trace: [ 131.884074] [] dump_stack+0x45/0x56 [ 131.884076] [] warn_slowpath_common+0x7d/0xa0 [ 131.884078] [] warn_slowpath_null+0x1a/0x20 [ 131.884090] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 131.884103] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 131.884115] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 131.884126] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 131.884136] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 131.884138] [] process_one_work+0x182/0x4e0 [ 131.884140] [] worker_thread+0x6b/0x6a0 [ 131.884142] [] ? __schedule+0x39d/0x890 [ 131.884144] [] ? process_one_work+0x4e0/0x4e0 [ 131.884147] [] kthread+0xdb/0x100 [ 131.884149] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 131.884151] [] ret_from_fork+0x7c/0xb0 [ 131.884154] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 131.884155] ---[ end trace efdbe4ce60fe98ef ]--- [ 131.885088] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.885701] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 131.886305] [drm:intel_dp_start_link_train] clock recovery OK [ 131.887212] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 131.888291] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 131.889187] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.890087] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.890985] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.891904] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.892809] ------------[ cut here ]------------ [ 131.892823] WARNING: CPU: 1 PID: 71 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 131.892824] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 131.892847] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 131.892868] CPU: 1 PID: 71 Comm: kworker/1:2 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 131.892869] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 131.892879] Workqueue: events i915_hotplug_work_func [i915] [ 131.892880] 0000000000000009 ffff8800d739fc88 ffffffff8277fcbc 0000000000000000 [ 131.892883] ffff8800d739fcc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 131.892885] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff8800d739fcd0 [ 131.892887] Call Trace: [ 131.892890] [] dump_stack+0x45/0x56 [ 131.892892] [] warn_slowpath_common+0x7d/0xa0 [ 131.892894] [] warn_slowpath_null+0x1a/0x20 [ 131.892907] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 131.892920] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 131.892932] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 131.892944] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 131.892954] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 131.892956] [] process_one_work+0x182/0x4e0 [ 131.892958] [] worker_thread+0x6b/0x6a0 [ 131.892960] [] ? __schedule+0x39d/0x890 [ 131.892962] [] ? process_one_work+0x4e0/0x4e0 [ 131.892965] [] kthread+0xdb/0x100 [ 131.892967] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 131.892969] [] ret_from_fork+0x7c/0xb0 [ 131.892972] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 131.892973] ---[ end trace efdbe4ce60fe98f0 ]--- [ 131.893906] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.894524] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 131.895136] [drm:intel_dp_start_link_train] clock recovery OK [ 131.896058] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 131.896956] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 131.897855] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 131.898759] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 131.907508] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful [ 131.907670] [drm:intel_dp_detect] [CONNECTOR:22:DP-1] [ 131.907948] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 131.942219] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 131.942536] [drm:intel_hdmi_detect] [CONNECTOR:23:HDMI-A-1] [ 131.942695] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1) [ 131.942697] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb [ 132.315302] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00200000 [ 132.315306] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 4 - cnt: 0 [ 132.315329] [drm:i915_hotplug_work_func] running encoder hotplug functions [ 132.315331] [drm:i915_hotplug_work_func] Connector DP-1 (pin 4) received hotplug event. [ 132.315332] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 4) received hotplug event. [ 132.315823] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 132.316141] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 132.317103] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.318599] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.319222] [drm:intel_dp_start_link_train] clock recovery OK [ 132.320138] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.321053] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.321956] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.322866] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.323784] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.324710] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.325626] ------------[ cut here ]------------ [ 132.325672] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.325674] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.325719] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.325759] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.325762] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.325782] Workqueue: events i915_hotplug_work_func [i915] [ 132.325785] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.325790] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.325794] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.325798] Call Trace: [ 132.325807] [] dump_stack+0x45/0x56 [ 132.325813] [] warn_slowpath_common+0x7d/0xa0 [ 132.325818] [] warn_slowpath_null+0x1a/0x20 [ 132.325843] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.325867] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.325891] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.325913] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.325934] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.325938] [] process_one_work+0x182/0x4e0 [ 132.325942] [] worker_thread+0x6b/0x6a0 [ 132.325946] [] ? process_one_work+0x4e0/0x4e0 [ 132.325950] [] kthread+0xdb/0x100 [ 132.325955] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.325960] [] ret_from_fork+0x7c/0xb0 [ 132.325964] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.325967] ---[ end trace efdbe4ce60fe98f1 ]--- [ 132.326914] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.327552] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.328141] [drm:intel_dp_start_link_train] clock recovery OK [ 132.329033] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.329935] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.330849] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.331706] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.332643] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.333585] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.334492] ------------[ cut here ]------------ [ 132.334516] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.334518] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.334559] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.334596] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.334598] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.334615] Workqueue: events i915_hotplug_work_func [i915] [ 132.334617] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.334621] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.334625] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.334629] Call Trace: [ 132.334634] [] dump_stack+0x45/0x56 [ 132.334639] [] warn_slowpath_common+0x7d/0xa0 [ 132.334643] [] warn_slowpath_null+0x1a/0x20 [ 132.334665] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.334688] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.334709] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.334730] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.334749] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.334753] [] process_one_work+0x182/0x4e0 [ 132.334756] [] worker_thread+0x6b/0x6a0 [ 132.334760] [] ? process_one_work+0x4e0/0x4e0 [ 132.334764] [] kthread+0xdb/0x100 [ 132.334768] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.334772] [] ret_from_fork+0x7c/0xb0 [ 132.334777] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.334779] ---[ end trace efdbe4ce60fe98f2 ]--- [ 132.335723] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.336351] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.336975] [drm:intel_dp_start_link_train] clock recovery OK [ 132.337987] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.338895] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.339798] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.340726] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.341632] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.342538] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.343442] ------------[ cut here ]------------ [ 132.343464] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.343465] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.343504] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.343538] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.343540] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.343556] Workqueue: events i915_hotplug_work_func [i915] [ 132.343558] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.343561] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.343565] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.343568] Call Trace: [ 132.343573] [] dump_stack+0x45/0x56 [ 132.343578] [] warn_slowpath_common+0x7d/0xa0 [ 132.343582] [] warn_slowpath_null+0x1a/0x20 [ 132.343602] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.343623] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.343643] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.343662] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.343680] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.343684] [] process_one_work+0x182/0x4e0 [ 132.343687] [] worker_thread+0x6b/0x6a0 [ 132.343690] [] ? process_one_work+0x4e0/0x4e0 [ 132.343694] [] kthread+0xdb/0x100 [ 132.343698] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.343702] [] ret_from_fork+0x7c/0xb0 [ 132.343706] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.343708] ---[ end trace efdbe4ce60fe98f3 ]--- [ 132.344652] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.345339] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.345949] [drm:intel_dp_start_link_train] clock recovery OK [ 132.346861] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.347767] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.348691] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.349604] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.350512] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.351422] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.352333] ------------[ cut here ]------------ [ 132.352353] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.352355] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.352391] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.352423] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.352425] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.352440] Workqueue: events i915_hotplug_work_func [i915] [ 132.352442] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.352445] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.352449] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.352452] Call Trace: [ 132.352456] [] dump_stack+0x45/0x56 [ 132.352460] [] warn_slowpath_common+0x7d/0xa0 [ 132.352464] [] warn_slowpath_null+0x1a/0x20 [ 132.352483] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.352502] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.352521] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.352540] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.352557] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.352560] [] process_one_work+0x182/0x4e0 [ 132.352563] [] worker_thread+0x6b/0x6a0 [ 132.352566] [] ? process_one_work+0x4e0/0x4e0 [ 132.352570] [] kthread+0xdb/0x100 [ 132.352574] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.352577] [] ret_from_fork+0x7c/0xb0 [ 132.352581] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.352583] ---[ end trace efdbe4ce60fe98f4 ]--- [ 132.353525] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.354147] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.354758] [drm:intel_dp_start_link_train] clock recovery OK [ 132.355668] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.356584] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.357496] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.358405] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.359312] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.360219] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.361128] ------------[ cut here ]------------ [ 132.361148] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.361149] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.361186] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.361219] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.361221] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.361236] Workqueue: events i915_hotplug_work_func [i915] [ 132.361238] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.361241] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.361245] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.361248] Call Trace: [ 132.361252] [] dump_stack+0x45/0x56 [ 132.361256] [] warn_slowpath_common+0x7d/0xa0 [ 132.361260] [] warn_slowpath_null+0x1a/0x20 [ 132.361279] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.361299] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.361318] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.361336] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.361353] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.361356] [] process_one_work+0x182/0x4e0 [ 132.361359] [] worker_thread+0x6b/0x6a0 [ 132.361363] [] ? process_one_work+0x4e0/0x4e0 [ 132.361366] [] kthread+0xdb/0x100 [ 132.361370] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.361374] [] ret_from_fork+0x7c/0xb0 [ 132.361378] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.361380] ---[ end trace efdbe4ce60fe98f5 ]--- [ 132.362324] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.362946] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.363557] [drm:intel_dp_start_link_train] clock recovery OK [ 132.364472] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.365373] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.366275] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.367189] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.368096] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.369001] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.369905] ------------[ cut here ]------------ [ 132.369926] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.369927] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.369962] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.369994] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.369996] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.370011] Workqueue: events i915_hotplug_work_func [i915] [ 132.370012] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.370016] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.370019] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.370022] Call Trace: [ 132.370026] [] dump_stack+0x45/0x56 [ 132.370030] [] warn_slowpath_common+0x7d/0xa0 [ 132.370033] [] warn_slowpath_null+0x1a/0x20 [ 132.370052] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.370071] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.370089] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.370107] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.370122] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.370126] [] process_one_work+0x182/0x4e0 [ 132.370129] [] worker_thread+0x6b/0x6a0 [ 132.370132] [] ? process_one_work+0x4e0/0x4e0 [ 132.370135] [] kthread+0xdb/0x100 [ 132.370139] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.370142] [] ret_from_fork+0x7c/0xb0 [ 132.370146] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.370148] ---[ end trace efdbe4ce60fe98f6 ]--- [ 132.371087] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.371845] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.372454] [drm:intel_dp_start_link_train] clock recovery OK [ 132.372765] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting [ 132.380477] [drm:intel_dp_detect] [CONNECTOR:22:DP-1] [ 132.380759] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 132.415114] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 132.415428] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 132.416360] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.416981] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.417593] [drm:intel_dp_start_link_train] clock recovery OK [ 132.418495] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.419392] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.420292] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.421285] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.422190] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.423090] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.423991] ------------[ cut here ]------------ [ 132.424009] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.424010] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.424034] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.424056] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.424057] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.424069] Workqueue: events i915_hotplug_work_func [i915] [ 132.424070] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.424072] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.424074] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.424076] Call Trace: [ 132.424080] [] dump_stack+0x45/0x56 [ 132.424083] [] warn_slowpath_common+0x7d/0xa0 [ 132.424085] [] warn_slowpath_null+0x1a/0x20 [ 132.424100] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.424113] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.424126] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.424139] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.424150] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.424152] [] process_one_work+0x182/0x4e0 [ 132.424154] [] worker_thread+0x6b/0x6a0 [ 132.424156] [] ? process_one_work+0x4e0/0x4e0 [ 132.424158] [] kthread+0xdb/0x100 [ 132.424161] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.424163] [] ret_from_fork+0x7c/0xb0 [ 132.424165] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.424167] ---[ end trace efdbe4ce60fe98f7 ]--- [ 132.425117] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.425735] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.426340] [drm:intel_dp_start_link_train] clock recovery OK [ 132.427246] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.428139] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.429044] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.429944] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.430849] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.431746] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.432672] ------------[ cut here ]------------ [ 132.432685] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.432686] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.432709] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.432730] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.432731] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.432741] Workqueue: events i915_hotplug_work_func [i915] [ 132.432742] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.432744] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.432746] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.432748] Call Trace: [ 132.432752] [] dump_stack+0x45/0x56 [ 132.432754] [] warn_slowpath_common+0x7d/0xa0 [ 132.432756] [] warn_slowpath_null+0x1a/0x20 [ 132.432769] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.432782] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.432794] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.432805] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.432816] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.432818] [] process_one_work+0x182/0x4e0 [ 132.432820] [] worker_thread+0x6b/0x6a0 [ 132.432822] [] ? process_one_work+0x4e0/0x4e0 [ 132.432824] [] kthread+0xdb/0x100 [ 132.432827] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.432829] [] ret_from_fork+0x7c/0xb0 [ 132.432831] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.432833] ---[ end trace efdbe4ce60fe98f8 ]--- [ 132.433764] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.434380] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.434996] [drm:intel_dp_start_link_train] clock recovery OK [ 132.435904] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.436815] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.437708] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.438610] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.439508] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.440405] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.441309] ------------[ cut here ]------------ [ 132.441321] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.441322] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.441345] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.441366] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.441367] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.441376] Workqueue: events i915_hotplug_work_func [i915] [ 132.441377] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.441379] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.441381] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.441383] Call Trace: [ 132.441386] [] dump_stack+0x45/0x56 [ 132.441388] [] warn_slowpath_common+0x7d/0xa0 [ 132.441391] [] warn_slowpath_null+0x1a/0x20 [ 132.441403] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.441415] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.441427] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.441439] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.441449] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.441451] [] process_one_work+0x182/0x4e0 [ 132.441453] [] worker_thread+0x6b/0x6a0 [ 132.441455] [] ? process_one_work+0x4e0/0x4e0 [ 132.441458] [] kthread+0xdb/0x100 [ 132.441460] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.441462] [] ret_from_fork+0x7c/0xb0 [ 132.441465] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.441466] ---[ end trace efdbe4ce60fe98f9 ]--- [ 132.442396] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.443015] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.443623] [drm:intel_dp_start_link_train] clock recovery OK [ 132.444528] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.445573] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.446472] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.447371] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.448272] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.449175] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.450072] ------------[ cut here ]------------ [ 132.450085] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.450086] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.450109] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.450130] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.450131] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.450141] Workqueue: events i915_hotplug_work_func [i915] [ 132.450142] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.450144] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.450146] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.450148] Call Trace: [ 132.450151] [] dump_stack+0x45/0x56 [ 132.450153] [] warn_slowpath_common+0x7d/0xa0 [ 132.450156] [] warn_slowpath_null+0x1a/0x20 [ 132.450168] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.450180] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.450192] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.450204] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.450214] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.450217] [] process_one_work+0x182/0x4e0 [ 132.450219] [] worker_thread+0x6b/0x6a0 [ 132.450221] [] ? process_one_work+0x4e0/0x4e0 [ 132.450223] [] kthread+0xdb/0x100 [ 132.450225] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.450228] [] ret_from_fork+0x7c/0xb0 [ 132.450230] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.450231] ---[ end trace efdbe4ce60fe98fa ]--- [ 132.451163] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.451777] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.452381] [drm:intel_dp_start_link_train] clock recovery OK [ 132.453285] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.454180] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.455074] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.455980] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.456894] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.457796] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.458696] ------------[ cut here ]------------ [ 132.458709] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.458709] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.458732] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.458753] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.458755] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.458764] Workqueue: events i915_hotplug_work_func [i915] [ 132.458765] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.458767] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.458769] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.458771] Call Trace: [ 132.458774] [] dump_stack+0x45/0x56 [ 132.458777] [] warn_slowpath_common+0x7d/0xa0 [ 132.458779] [] warn_slowpath_null+0x1a/0x20 [ 132.458791] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.458803] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.458815] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.458827] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.458837] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.458840] [] process_one_work+0x182/0x4e0 [ 132.458842] [] worker_thread+0x6b/0x6a0 [ 132.458843] [] ? process_one_work+0x4e0/0x4e0 [ 132.458846] [] kthread+0xdb/0x100 [ 132.458848] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.458850] [] ret_from_fork+0x7c/0xb0 [ 132.458853] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.458854] ---[ end trace efdbe4ce60fe98fb ]--- [ 132.459786] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.460406] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.461010] [drm:intel_dp_start_link_train] clock recovery OK [ 132.461915] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.462807] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.463704] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.464612] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.465506] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.466404] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.467309] ------------[ cut here ]------------ [ 132.467321] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.467322] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.467345] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.467367] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.467368] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.467377] Workqueue: events i915_hotplug_work_func [i915] [ 132.467378] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.467381] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.467383] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.467385] Call Trace: [ 132.467387] [] dump_stack+0x45/0x56 [ 132.467390] [] warn_slowpath_common+0x7d/0xa0 [ 132.467392] [] warn_slowpath_null+0x1a/0x20 [ 132.467404] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.467417] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.467428] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.467440] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.467450] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.467452] [] process_one_work+0x182/0x4e0 [ 132.467454] [] worker_thread+0x6b/0x6a0 [ 132.467456] [] ? process_one_work+0x4e0/0x4e0 [ 132.467459] [] kthread+0xdb/0x100 [ 132.467461] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.467463] [] ret_from_fork+0x7c/0xb0 [ 132.467466] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.467467] ---[ end trace efdbe4ce60fe98fc ]--- [ 132.468399] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.469016] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.469621] [drm:intel_dp_start_link_train] clock recovery OK [ 132.469928] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting [ 132.476631] [drm:intel_hdmi_detect] [CONNECTOR:23:HDMI-A-1] [ 132.476792] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1) [ 132.476793] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb [ 132.891963] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00200000 [ 132.891966] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 4 - cnt: 1 [ 132.891989] [drm:i915_hotplug_work_func] running encoder hotplug functions [ 132.891991] [drm:i915_hotplug_work_func] Connector DP-1 (pin 4) received hotplug event. [ 132.891992] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 4) received hotplug event. [ 132.892483] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 132.892800] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 132.893763] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.895262] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.895887] [drm:intel_dp_start_link_train] clock recovery OK [ 132.896804] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.897733] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.898645] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.899555] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.900463] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.901376] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.902290] ------------[ cut here ]------------ [ 132.902341] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.902343] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.902391] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.902435] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.902438] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.902459] Workqueue: events i915_hotplug_work_func [i915] [ 132.902462] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.902467] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.902471] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.902476] Call Trace: [ 132.902485] [] dump_stack+0x45/0x56 [ 132.902491] [] warn_slowpath_common+0x7d/0xa0 [ 132.902496] [] warn_slowpath_null+0x1a/0x20 [ 132.902524] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.902551] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.902576] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.902600] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.902622] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.902627] [] process_one_work+0x182/0x4e0 [ 132.902631] [] worker_thread+0x6b/0x6a0 [ 132.902635] [] ? process_one_work+0x4e0/0x4e0 [ 132.902640] [] kthread+0xdb/0x100 [ 132.902645] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.902650] [] ret_from_fork+0x7c/0xb0 [ 132.902655] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.902658] ---[ end trace efdbe4ce60fe98fd ]--- [ 132.903605] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.904237] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.904853] [drm:intel_dp_start_link_train] clock recovery OK [ 132.905791] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.906695] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.907600] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.908510] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.909419] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.910330] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.911246] ------------[ cut here ]------------ [ 132.911270] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.911271] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.911314] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.911353] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.911356] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.911374] Workqueue: events i915_hotplug_work_func [i915] [ 132.911376] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.911380] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.911384] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.911388] Call Trace: [ 132.911394] [] dump_stack+0x45/0x56 [ 132.911398] [] warn_slowpath_common+0x7d/0xa0 [ 132.911403] [] warn_slowpath_null+0x1a/0x20 [ 132.911426] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.911449] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.911472] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.911494] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.911513] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.911517] [] process_one_work+0x182/0x4e0 [ 132.911521] [] worker_thread+0x6b/0x6a0 [ 132.911525] [] ? process_one_work+0x4e0/0x4e0 [ 132.911529] [] kthread+0xdb/0x100 [ 132.911534] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.911538] [] ret_from_fork+0x7c/0xb0 [ 132.911542] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.911545] ---[ end trace efdbe4ce60fe98fe ]--- [ 132.912489] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.913114] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.913739] [drm:intel_dp_start_link_train] clock recovery OK [ 132.914654] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.915567] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.916476] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.917387] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.918296] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.919206] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.920118] ------------[ cut here ]------------ [ 132.920140] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.920142] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.920182] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.920220] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.920222] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.920239] Workqueue: events i915_hotplug_work_func [i915] [ 132.920241] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.920244] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.920248] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.920252] Call Trace: [ 132.920257] [] dump_stack+0x45/0x56 [ 132.920261] [] warn_slowpath_common+0x7d/0xa0 [ 132.920265] [] warn_slowpath_null+0x1a/0x20 [ 132.920287] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.920308] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.920329] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.920350] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.920369] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.920373] [] process_one_work+0x182/0x4e0 [ 132.920376] [] worker_thread+0x6b/0x6a0 [ 132.920380] [] ? process_one_work+0x4e0/0x4e0 [ 132.920384] [] kthread+0xdb/0x100 [ 132.920389] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.920392] [] ret_from_fork+0x7c/0xb0 [ 132.920397] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.920399] ---[ end trace efdbe4ce60fe98ff ]--- [ 132.921344] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.921968] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.922580] [drm:intel_dp_start_link_train] clock recovery OK [ 132.923501] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.924410] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.925400] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.926398] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.927306] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.928214] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.929129] ------------[ cut here ]------------ [ 132.929151] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.929152] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.929193] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.929230] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.929234] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.929269] Workqueue: events i915_hotplug_work_func [i915] [ 132.929282] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.929289] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.929292] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.929296] Call Trace: [ 132.929300] [] dump_stack+0x45/0x56 [ 132.929305] [] warn_slowpath_common+0x7d/0xa0 [ 132.929317] [] warn_slowpath_null+0x1a/0x20 [ 132.929338] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.929362] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.929382] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.929402] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.929419] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.929423] [] process_one_work+0x182/0x4e0 [ 132.929426] [] worker_thread+0x6b/0x6a0 [ 132.929429] [] ? process_one_work+0x4e0/0x4e0 [ 132.929433] [] kthread+0xdb/0x100 [ 132.929437] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.929441] [] ret_from_fork+0x7c/0xb0 [ 132.929445] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.929447] ---[ end trace efdbe4ce60fe9900 ]--- [ 132.930406] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.931162] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.931771] [drm:intel_dp_start_link_train] clock recovery OK [ 132.932682] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.933592] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.934496] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.935412] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.936323] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.937228] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.938139] ------------[ cut here ]------------ [ 132.938160] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.938161] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.938200] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.938234] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.938236] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.938251] Workqueue: events i915_hotplug_work_func [i915] [ 132.938253] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.938257] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.938260] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.938264] Call Trace: [ 132.938268] [] dump_stack+0x45/0x56 [ 132.938272] [] warn_slowpath_common+0x7d/0xa0 [ 132.938276] [] warn_slowpath_null+0x1a/0x20 [ 132.938297] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.938317] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.938337] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.938357] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.938374] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.938377] [] process_one_work+0x182/0x4e0 [ 132.938381] [] worker_thread+0x6b/0x6a0 [ 132.938384] [] ? process_one_work+0x4e0/0x4e0 [ 132.938388] [] kthread+0xdb/0x100 [ 132.938392] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.938396] [] ret_from_fork+0x7c/0xb0 [ 132.938400] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.938402] ---[ end trace efdbe4ce60fe9901 ]--- [ 132.939343] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.939965] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.940577] [drm:intel_dp_start_link_train] clock recovery OK [ 132.941491] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 132.942394] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.943298] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.944213] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.945126] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.946047] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.946953] ------------[ cut here ]------------ [ 132.946973] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 132.946975] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 132.947011] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 132.947043] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 132.947045] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 132.947060] Workqueue: events i915_hotplug_work_func [i915] [ 132.947062] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 132.947065] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 132.947069] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 132.947072] Call Trace: [ 132.947076] [] dump_stack+0x45/0x56 [ 132.947080] [] warn_slowpath_common+0x7d/0xa0 [ 132.947084] [] warn_slowpath_null+0x1a/0x20 [ 132.947104] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 132.947123] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 132.947143] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 132.947161] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 132.947178] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 132.947181] [] process_one_work+0x182/0x4e0 [ 132.947185] [] worker_thread+0x6b/0x6a0 [ 132.947188] [] ? process_one_work+0x4e0/0x4e0 [ 132.947192] [] kthread+0xdb/0x100 [ 132.947195] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.947199] [] ret_from_fork+0x7c/0xb0 [ 132.947203] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 132.947205] ---[ end trace efdbe4ce60fe9902 ]--- [ 132.948144] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.948770] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.949529] [drm:intel_dp_start_link_train] clock recovery OK [ 132.949837] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting [ 132.957456] [drm:intel_dp_detect] [CONNECTOR:22:DP-1] [ 132.957739] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 132.992134] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 132.992455] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 132.993395] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.994016] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 132.994630] [drm:intel_dp_start_link_train] clock recovery OK [ 132.995537] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 132.996438] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.997345] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.998256] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 132.999160] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.000061] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.000964] ------------[ cut here ]------------ [ 133.000985] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 133.000986] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 133.001019] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 133.001048] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 133.001049] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 133.001064] Workqueue: events i915_hotplug_work_func [i915] [ 133.001066] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 133.001069] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 133.001072] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 133.001075] Call Trace: [ 133.001079] [] dump_stack+0x45/0x56 [ 133.001082] [] warn_slowpath_common+0x7d/0xa0 [ 133.001085] [] warn_slowpath_null+0x1a/0x20 [ 133.001103] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 133.001121] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 133.001138] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 133.001155] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 133.001169] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 133.001172] [] process_one_work+0x182/0x4e0 [ 133.001175] [] worker_thread+0x6b/0x6a0 [ 133.001178] [] ? process_one_work+0x4e0/0x4e0 [ 133.001181] [] kthread+0xdb/0x100 [ 133.001185] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.001188] [] ret_from_fork+0x7c/0xb0 [ 133.001191] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.001193] ---[ end trace efdbe4ce60fe9903 ]--- [ 133.002148] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.002769] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 133.003379] [drm:intel_dp_start_link_train] clock recovery OK [ 133.004295] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 133.005202] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 133.006107] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.007007] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.007901] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.008796] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.009714] ------------[ cut here ]------------ [ 133.009727] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 133.009728] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 133.009751] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 133.009772] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 133.009773] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 133.009783] Workqueue: events i915_hotplug_work_func [i915] [ 133.009784] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 133.009786] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 133.009788] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 133.009791] Call Trace: [ 133.009794] [] dump_stack+0x45/0x56 [ 133.009796] [] warn_slowpath_common+0x7d/0xa0 [ 133.009798] [] warn_slowpath_null+0x1a/0x20 [ 133.009811] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 133.009824] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 133.009836] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 133.009847] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 133.009858] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 133.009860] [] process_one_work+0x182/0x4e0 [ 133.009862] [] worker_thread+0x6b/0x6a0 [ 133.009864] [] ? process_one_work+0x4e0/0x4e0 [ 133.009867] [] kthread+0xdb/0x100 [ 133.009869] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.009871] [] ret_from_fork+0x7c/0xb0 [ 133.009874] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.009875] ---[ end trace efdbe4ce60fe9904 ]--- [ 133.010806] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.011422] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 133.012026] [drm:intel_dp_start_link_train] clock recovery OK [ 133.013064] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 133.013975] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 133.014866] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.015770] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.016667] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.017570] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.018468] ------------[ cut here ]------------ [ 133.018481] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 133.018481] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 133.018504] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 133.018525] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 133.018526] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 133.018536] Workqueue: events i915_hotplug_work_func [i915] [ 133.018537] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 133.018539] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 133.018541] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 133.018543] Call Trace: [ 133.018546] [] dump_stack+0x45/0x56 [ 133.018548] [] warn_slowpath_common+0x7d/0xa0 [ 133.018550] [] warn_slowpath_null+0x1a/0x20 [ 133.018563] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 133.018575] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 133.018587] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 133.018599] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 133.018610] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 133.018612] [] process_one_work+0x182/0x4e0 [ 133.018614] [] worker_thread+0x6b/0x6a0 [ 133.018616] [] ? process_one_work+0x4e0/0x4e0 [ 133.018618] [] kthread+0xdb/0x100 [ 133.018620] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.018623] [] ret_from_fork+0x7c/0xb0 [ 133.018625] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.018626] ---[ end trace efdbe4ce60fe9905 ]--- [ 133.019557] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.020173] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 133.020778] [drm:intel_dp_start_link_train] clock recovery OK [ 133.021693] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 133.022589] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 133.023484] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.024384] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.025280] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.026329] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.027225] ------------[ cut here ]------------ [ 133.027238] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 133.027239] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 133.027261] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 133.027282] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 133.027283] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 133.027292] Workqueue: events i915_hotplug_work_func [i915] [ 133.027293] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 133.027296] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 133.027298] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 133.027300] Call Trace: [ 133.027302] [] dump_stack+0x45/0x56 [ 133.027305] [] warn_slowpath_common+0x7d/0xa0 [ 133.027307] [] warn_slowpath_null+0x1a/0x20 [ 133.027319] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 133.027331] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 133.027343] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 133.027354] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 133.027365] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 133.027367] [] process_one_work+0x182/0x4e0 [ 133.027369] [] worker_thread+0x6b/0x6a0 [ 133.027371] [] ? process_one_work+0x4e0/0x4e0 [ 133.027373] [] kthread+0xdb/0x100 [ 133.027376] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.027378] [] ret_from_fork+0x7c/0xb0 [ 133.027380] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.027382] ---[ end trace efdbe4ce60fe9906 ]--- [ 133.028313] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.028927] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 133.029530] [drm:intel_dp_start_link_train] clock recovery OK [ 133.030437] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 133.031331] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 133.032228] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.033125] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.034027] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.034923] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.035821] ------------[ cut here ]------------ [ 133.035833] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 133.035834] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 133.035857] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 133.035877] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 133.035879] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 133.035888] Workqueue: events i915_hotplug_work_func [i915] [ 133.035889] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 133.035891] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 133.035893] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 133.035895] Call Trace: [ 133.035898] [] dump_stack+0x45/0x56 [ 133.035901] [] warn_slowpath_common+0x7d/0xa0 [ 133.035903] [] warn_slowpath_null+0x1a/0x20 [ 133.035915] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 133.035927] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 133.035939] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 133.035951] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 133.035961] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 133.035963] [] process_one_work+0x182/0x4e0 [ 133.035965] [] worker_thread+0x6b/0x6a0 [ 133.035967] [] ? process_one_work+0x4e0/0x4e0 [ 133.035969] [] kthread+0xdb/0x100 [ 133.035971] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.035974] [] ret_from_fork+0x7c/0xb0 [ 133.035976] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.035977] ---[ end trace efdbe4ce60fe9907 ]--- [ 133.036909] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.037525] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 133.038131] [drm:intel_dp_start_link_train] clock recovery OK [ 133.039038] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 133.039932] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 133.040822] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.041744] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.042642] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.043544] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.044445] ------------[ cut here ]------------ [ 133.044457] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 133.044458] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 133.044481] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 133.044501] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 133.044502] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 133.044512] Workqueue: events i915_hotplug_work_func [i915] [ 133.044513] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 133.044515] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 133.044517] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 133.044519] Call Trace: [ 133.044522] [] dump_stack+0x45/0x56 [ 133.044524] [] warn_slowpath_common+0x7d/0xa0 [ 133.044527] [] warn_slowpath_null+0x1a/0x20 [ 133.044539] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 133.044551] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 133.044563] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 133.044575] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 133.044585] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 133.044587] [] process_one_work+0x182/0x4e0 [ 133.044589] [] worker_thread+0x6b/0x6a0 [ 133.044591] [] ? process_one_work+0x4e0/0x4e0 [ 133.044593] [] kthread+0xdb/0x100 [ 133.044596] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.044598] [] ret_from_fork+0x7c/0xb0 [ 133.044600] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.044602] ---[ end trace efdbe4ce60fe9908 ]--- [ 133.045536] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.046155] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 133.046758] [drm:intel_dp_start_link_train] clock recovery OK [ 133.047072] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting [ 133.053610] [drm:intel_hdmi_detect] [CONNECTOR:23:HDMI-A-1] [ 133.053770] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1) [ 133.053772] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb [ 133.467497] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00200000 [ 133.467503] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 4 - cnt: 0 [ 133.467535] [drm:i915_hotplug_work_func] running encoder hotplug functions [ 133.467538] [drm:i915_hotplug_work_func] Connector DP-1 (pin 4) received hotplug event. [ 133.467540] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 4) received hotplug event. [ 133.468090] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 133.468430] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 133.469380] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.470946] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 133.471591] [drm:intel_dp_start_link_train] clock recovery OK [ 133.472541] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 133.473475] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.474430] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.475369] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.476303] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.477241] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.478192] ------------[ cut here ]------------ [ 133.478281] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 133.478301] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 133.478400] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 133.478487] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 133.478492] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 133.478536] Workqueue: events i915_hotplug_work_func [i915] [ 133.478541] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 133.478551] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 133.478560] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 133.478569] Call Trace: [ 133.478585] [] dump_stack+0x45/0x56 [ 133.478596] [] warn_slowpath_common+0x7d/0xa0 [ 133.478606] [] warn_slowpath_null+0x1a/0x20 [ 133.478660] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 133.478712] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 133.478762] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 133.478811] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 133.478853] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 133.478863] [] process_one_work+0x182/0x4e0 [ 133.478871] [] worker_thread+0x6b/0x6a0 [ 133.478879] [] ? process_one_work+0x4e0/0x4e0 [ 133.478889] [] kthread+0xdb/0x100 [ 133.478899] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.478908] [] ret_from_fork+0x7c/0xb0 [ 133.478918] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.478923] ---[ end trace efdbe4ce60fe9909 ]--- [ 133.479926] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.480581] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 133.481225] [drm:intel_dp_start_link_train] clock recovery OK [ 133.482166] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 133.483265] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 133.484200] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.485133] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.486062] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.487000] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.487933] ------------[ cut here ]------------ [ 133.487979] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 133.487982] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 133.488064] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 133.488139] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 133.488143] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 133.488177] Workqueue: events i915_hotplug_work_func [i915] [ 133.488181] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 133.488189] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 133.488196] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 133.488204] Call Trace: [ 133.488214] [] dump_stack+0x45/0x56 [ 133.488223] [] warn_slowpath_common+0x7d/0xa0 [ 133.488231] [] warn_slowpath_null+0x1a/0x20 [ 133.488276] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 133.488320] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 133.488363] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 133.488404] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 133.488440] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 133.488448] [] process_one_work+0x182/0x4e0 [ 133.488455] [] worker_thread+0x6b/0x6a0 [ 133.488462] [] ? process_one_work+0x4e0/0x4e0 [ 133.488470] [] kthread+0xdb/0x100 [ 133.488479] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.488487] [] ret_from_fork+0x7c/0xb0 [ 133.488496] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.488501] ---[ end trace efdbe4ce60fe990a ]--- [ 133.489470] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.490117] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 133.490758] [drm:intel_dp_start_link_train] clock recovery OK [ 133.491697] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 133.492626] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 133.493554] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.494493] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.495421] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.496354] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.497279] ------------[ cut here ]------------ [ 133.497321] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 133.497324] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 133.497397] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 133.497463] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 133.497467] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 133.497498] Workqueue: events i915_hotplug_work_func [i915] [ 133.497502] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 133.497509] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 133.497516] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 133.497523] Call Trace: [ 133.497532] [] dump_stack+0x45/0x56 [ 133.497540] [] warn_slowpath_common+0x7d/0xa0 [ 133.497547] [] warn_slowpath_null+0x1a/0x20 [ 133.497587] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 133.497628] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 133.497667] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 133.497705] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 133.497738] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 133.497745] [] process_one_work+0x182/0x4e0 [ 133.497751] [] worker_thread+0x6b/0x6a0 [ 133.497758] [] ? process_one_work+0x4e0/0x4e0 [ 133.497765] [] kthread+0xdb/0x100 [ 133.497773] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.497780] [] ret_from_fork+0x7c/0xb0 [ 133.497788] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.497792] ---[ end trace efdbe4ce60fe990b ]--- [ 133.498762] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.499406] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 133.500037] [drm:intel_dp_start_link_train] clock recovery OK [ 133.500977] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 133.501903] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 133.502862] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.503789] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 133.510233] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful [ 133.510417] [drm:intel_dp_detect] [CONNECTOR:22:DP-1] [ 133.510710] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 133.510864] [drm:drm_dp_i2c_do_msg] native defer [ 133.546860] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 133.547196] [drm:intel_hdmi_detect] [CONNECTOR:23:HDMI-A-1] [ 133.547369] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1) [ 133.547373] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb [ 133.925305] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00200000 [ 133.925312] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 4 - cnt: 1 [ 133.925347] [drm:i915_hotplug_work_func] running encoder hotplug functions [ 133.925351] [drm:i915_hotplug_work_func] Connector DP-1 (pin 4) received hotplug event. [ 133.925353] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 4) received hotplug event. [ 133.925885] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 133.926228] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 133.927221] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.928767] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 133.929408] [drm:intel_dp_start_link_train] clock recovery OK [ 133.930358] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 133.931305] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 133.932242] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.933185] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.934123] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.935064] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.936006] ------------[ cut here ]------------ [ 133.936092] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 133.936096] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 133.936191] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 133.936279] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 133.936284] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 133.936327] Workqueue: events i915_hotplug_work_func [i915] [ 133.936333] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 133.936342] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 133.936351] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 133.936360] Call Trace: [ 133.936377] [] dump_stack+0x45/0x56 [ 133.936388] [] warn_slowpath_common+0x7d/0xa0 [ 133.936398] [] warn_slowpath_null+0x1a/0x20 [ 133.936451] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 133.936503] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 133.936554] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 133.936603] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 133.936646] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 133.936656] [] process_one_work+0x182/0x4e0 [ 133.936664] [] worker_thread+0x6b/0x6a0 [ 133.936672] [] ? process_one_work+0x4e0/0x4e0 [ 133.936681] [] kthread+0xdb/0x100 [ 133.936691] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.936701] [] ret_from_fork+0x7c/0xb0 [ 133.936711] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 133.936717] ---[ end trace efdbe4ce60fe990c ]--- [ 133.937696] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.938353] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 133.939091] [drm:intel_dp_start_link_train] clock recovery OK [ 133.940031] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 133.940958] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 133.941897] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 133.942840] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 133.951033] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful [ 133.951227] [drm:intel_dp_detect] [CONNECTOR:22:DP-1] [ 133.951524] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 133.951679] [drm:drm_dp_i2c_do_msg] native defer [ 133.988065] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 133.988407] [drm:intel_hdmi_detect] [CONNECTOR:23:HDMI-A-1] [ 133.988582] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1) [ 133.988587] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb [ 134.365840] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00200000 [ 134.365846] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 4 - cnt: 2 [ 134.365878] [drm:i915_hotplug_work_func] running encoder hotplug functions [ 134.365881] [drm:i915_hotplug_work_func] Connector DP-1 (pin 4) received hotplug event. [ 134.365883] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 4) received hotplug event. [ 134.366403] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 134.366735] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 134.367693] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.369193] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 134.369809] [drm:intel_dp_start_link_train] clock recovery OK [ 134.370724] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 134.371629] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 134.372539] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.373460] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 134.379715] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful [ 134.379878] [drm:intel_dp_detect] [CONNECTOR:22:DP-1] [ 134.380157] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 134.414397] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 134.414714] [drm:intel_hdmi_detect] [CONNECTOR:23:HDMI-A-1] [ 134.414869] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1) [ 134.414870] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb [ 134.794169] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00200000 [ 134.794174] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 4 - cnt: 0 [ 134.794203] [drm:i915_hotplug_work_func] running encoder hotplug functions [ 134.794206] [drm:i915_hotplug_work_func] Connector DP-1 (pin 4) received hotplug event. [ 134.794208] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 4) received hotplug event. [ 134.794722] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 134.795055] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 134.796000] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.797508] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 134.798127] [drm:intel_dp_start_link_train] clock recovery OK [ 134.799049] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 134.799959] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 134.800886] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.801806] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.802724] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.803641] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.804558] ------------[ cut here ]------------ [ 134.804614] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 134.804617] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 134.804668] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 134.804715] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 134.804718] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 134.804742] Workqueue: events i915_hotplug_work_func [i915] [ 134.804745] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 134.804750] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 134.804755] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 134.804760] Call Trace: [ 134.804769] [] dump_stack+0x45/0x56 [ 134.804776] [] warn_slowpath_common+0x7d/0xa0 [ 134.804781] [] warn_slowpath_null+0x1a/0x20 [ 134.804810] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 134.804838] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 134.804865] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 134.804890] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 134.804913] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 134.804918] [] process_one_work+0x182/0x4e0 [ 134.804923] [] worker_thread+0x6b/0x6a0 [ 134.804927] [] ? process_one_work+0x4e0/0x4e0 [ 134.804932] [] kthread+0xdb/0x100 [ 134.804938] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 134.804943] [] ret_from_fork+0x7c/0xb0 [ 134.804948] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 134.804951] ---[ end trace efdbe4ce60fe990d ]--- [ 134.805901] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.806531] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 134.807153] [drm:intel_dp_start_link_train] clock recovery OK [ 134.808073] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 134.808989] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 134.809888] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.810788] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.811686] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.812596] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.813496] ------------[ cut here ]------------ [ 134.813512] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 134.813513] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 134.813541] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 134.813567] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 134.813568] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 134.813580] Workqueue: events i915_hotplug_work_func [i915] [ 134.813581] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 134.813584] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 134.813587] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 134.813589] Call Trace: [ 134.813593] [] dump_stack+0x45/0x56 [ 134.813596] [] warn_slowpath_common+0x7d/0xa0 [ 134.813599] [] warn_slowpath_null+0x1a/0x20 [ 134.813614] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 134.813629] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 134.813644] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 134.813658] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 134.813671] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 134.813674] [] process_one_work+0x182/0x4e0 [ 134.813676] [] worker_thread+0x6b/0x6a0 [ 134.813679] [] ? process_one_work+0x4e0/0x4e0 [ 134.813681] [] kthread+0xdb/0x100 [ 134.813684] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 134.813687] [] ret_from_fork+0x7c/0xb0 [ 134.813690] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 134.813692] ---[ end trace efdbe4ce60fe990e ]--- [ 134.814625] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.815240] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 134.815847] [drm:intel_dp_start_link_train] clock recovery OK [ 134.816727] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 134.817633] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 134.818526] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.819439] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.820313] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.821160] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.822069] ------------[ cut here ]------------ [ 134.822085] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 134.822086] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 134.822112] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 134.822137] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 134.822138] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 134.822150] Workqueue: events i915_hotplug_work_func [i915] [ 134.822151] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 134.822153] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 134.822156] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 134.822159] Call Trace: [ 134.822162] [] dump_stack+0x45/0x56 [ 134.822165] [] warn_slowpath_common+0x7d/0xa0 [ 134.822168] [] warn_slowpath_null+0x1a/0x20 [ 134.822182] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 134.822197] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 134.822211] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 134.822226] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 134.822238] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 134.822240] [] process_one_work+0x182/0x4e0 [ 134.822242] [] worker_thread+0x6b/0x6a0 [ 134.822243] [] ? process_one_work+0x4e0/0x4e0 [ 134.822245] [] kthread+0xdb/0x100 [ 134.822248] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 134.822250] [] ret_from_fork+0x7c/0xb0 [ 134.822252] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 134.822253] ---[ end trace efdbe4ce60fe990f ]--- [ 134.823189] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.823805] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 134.824419] [drm:intel_dp_start_link_train] clock recovery OK [ 134.825328] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 134.826223] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 134.827119] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.828022] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.828935] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.829834] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.830731] ------------[ cut here ]------------ [ 134.830746] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 134.830747] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 134.830774] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 134.830799] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 134.830800] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 134.830811] Workqueue: events i915_hotplug_work_func [i915] [ 134.830813] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 134.830815] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 134.830818] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 134.830821] Call Trace: [ 134.830824] [] dump_stack+0x45/0x56 [ 134.830827] [] warn_slowpath_common+0x7d/0xa0 [ 134.830830] [] warn_slowpath_null+0x1a/0x20 [ 134.830845] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 134.830859] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 134.830873] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 134.830887] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 134.830900] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 134.830902] [] process_one_work+0x182/0x4e0 [ 134.830905] [] worker_thread+0x6b/0x6a0 [ 134.830907] [] ? process_one_work+0x4e0/0x4e0 [ 134.830910] [] kthread+0xdb/0x100 [ 134.830913] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 134.830915] [] ret_from_fork+0x7c/0xb0 [ 134.830918] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 134.830920] ---[ end trace efdbe4ce60fe9910 ]--- [ 134.831853] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.832512] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 134.833115] [drm:intel_dp_start_link_train] clock recovery OK [ 134.834026] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 134.834918] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 134.835809] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.836745] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.837639] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.838542] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.839441] ------------[ cut here ]------------ [ 134.839454] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 134.839455] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 134.839478] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 134.839498] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 134.839499] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 134.839509] Workqueue: events i915_hotplug_work_func [i915] [ 134.839510] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 134.839512] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 134.839514] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 134.839516] Call Trace: [ 134.839519] [] dump_stack+0x45/0x56 [ 134.839522] [] warn_slowpath_common+0x7d/0xa0 [ 134.839524] [] warn_slowpath_null+0x1a/0x20 [ 134.839536] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 134.839548] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 134.839560] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 134.839572] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 134.839582] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 134.839585] [] process_one_work+0x182/0x4e0 [ 134.839587] [] worker_thread+0x6b/0x6a0 [ 134.839589] [] ? process_one_work+0x4e0/0x4e0 [ 134.839591] [] kthread+0xdb/0x100 [ 134.839593] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 134.839596] [] ret_from_fork+0x7c/0xb0 [ 134.839598] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 134.839599] ---[ end trace efdbe4ce60fe9911 ]--- [ 134.840532] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.841149] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 134.841752] [drm:intel_dp_start_link_train] clock recovery OK [ 134.842659] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 134.843556] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 134.844452] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.845351] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.846246] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.847150] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.848046] ------------[ cut here ]------------ [ 134.848059] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 134.848060] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 134.848082] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 134.848103] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 134.848104] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 134.848113] Workqueue: events i915_hotplug_work_func [i915] [ 134.848115] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 134.848117] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 134.848119] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 134.848121] Call Trace: [ 134.848124] [] dump_stack+0x45/0x56 [ 134.848126] [] warn_slowpath_common+0x7d/0xa0 [ 134.848128] [] warn_slowpath_null+0x1a/0x20 [ 134.848141] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 134.848153] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 134.848165] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 134.848177] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 134.848187] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 134.848189] [] process_one_work+0x182/0x4e0 [ 134.848191] [] worker_thread+0x6b/0x6a0 [ 134.848193] [] ? process_one_work+0x4e0/0x4e0 [ 134.848195] [] kthread+0xdb/0x100 [ 134.848198] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 134.848200] [] ret_from_fork+0x7c/0xb0 [ 134.848202] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 134.848204] ---[ end trace efdbe4ce60fe9912 ]--- [ 134.849153] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.849768] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 134.850371] [drm:intel_dp_start_link_train] clock recovery OK [ 134.850683] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting [ 134.856671] [drm:intel_dp_detect] [CONNECTOR:22:DP-1] [ 134.856948] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 134.891172] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 134.891488] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 134.892418] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.893040] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 134.893659] [drm:intel_dp_start_link_train] clock recovery OK [ 134.894578] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 134.895482] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 134.896388] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 134.904603] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful [ 134.904770] [drm:intel_hdmi_detect] [CONNECTOR:23:HDMI-A-1] [ 134.904934] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1) [ 134.904936] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb [ 135.319446] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00200000 [ 135.319457] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 4 - cnt: 1 [ 135.319508] [drm:i915_hotplug_work_func] running encoder hotplug functions [ 135.319513] [drm:i915_hotplug_work_func] Connector DP-1 (pin 4) received hotplug event. [ 135.319516] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 4) received hotplug event. [ 135.320096] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 135.320463] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 135.321442] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.322982] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 135.323619] [drm:intel_dp_start_link_train] clock recovery OK [ 135.324561] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 135.325499] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 135.326439] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.327372] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.328304] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.329242] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.330179] ------------[ cut here ]------------ [ 135.330258] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 135.330262] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 135.330345] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 135.330423] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 135.330427] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 135.330467] Workqueue: events i915_hotplug_work_func [i915] [ 135.330472] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 135.330480] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 135.330487] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 135.330495] Call Trace: [ 135.330509] [] dump_stack+0x45/0x56 [ 135.330519] [] warn_slowpath_common+0x7d/0xa0 [ 135.330528] [] warn_slowpath_null+0x1a/0x20 [ 135.330575] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 135.330622] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 135.330666] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 135.330710] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 135.330748] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 135.330757] [] process_one_work+0x182/0x4e0 [ 135.330764] [] worker_thread+0x6b/0x6a0 [ 135.330772] [] ? process_one_work+0x4e0/0x4e0 [ 135.330780] [] kthread+0xdb/0x100 [ 135.330789] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.330797] [] ret_from_fork+0x7c/0xb0 [ 135.330806] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.330811] ---[ end trace efdbe4ce60fe9913 ]--- [ 135.331780] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.332427] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 135.333073] [drm:intel_dp_start_link_train] clock recovery OK [ 135.334105] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 135.335035] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 135.335958] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.336897] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.337944] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.338868] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.339795] ------------[ cut here ]------------ [ 135.339837] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 135.339840] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 135.339914] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 135.339980] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 135.339984] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 135.340015] Workqueue: events i915_hotplug_work_func [i915] [ 135.340018] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 135.340025] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 135.340032] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 135.340039] Call Trace: [ 135.340048] [] dump_stack+0x45/0x56 [ 135.340056] [] warn_slowpath_common+0x7d/0xa0 [ 135.340063] [] warn_slowpath_null+0x1a/0x20 [ 135.340104] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 135.340144] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 135.340183] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 135.340221] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 135.340254] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 135.340261] [] process_one_work+0x182/0x4e0 [ 135.340268] [] worker_thread+0x6b/0x6a0 [ 135.340274] [] ? process_one_work+0x4e0/0x4e0 [ 135.340282] [] kthread+0xdb/0x100 [ 135.340289] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.340296] [] ret_from_fork+0x7c/0xb0 [ 135.340304] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.340308] ---[ end trace efdbe4ce60fe9914 ]--- [ 135.341272] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.341914] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 135.342546] [drm:intel_dp_start_link_train] clock recovery OK [ 135.343480] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 135.344401] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 135.345325] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.346292] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.347216] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.348143] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.349063] ------------[ cut here ]------------ [ 135.349100] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 135.349103] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 135.349170] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 135.349230] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 135.349233] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 135.349262] Workqueue: events i915_hotplug_work_func [i915] [ 135.349265] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 135.349271] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 135.349277] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 135.349283] Call Trace: [ 135.349291] [] dump_stack+0x45/0x56 [ 135.349298] [] warn_slowpath_common+0x7d/0xa0 [ 135.349305] [] warn_slowpath_null+0x1a/0x20 [ 135.349341] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 135.349400] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 135.349451] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 135.349493] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 135.349524] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 135.349536] [] process_one_work+0x182/0x4e0 [ 135.349544] [] worker_thread+0x6b/0x6a0 [ 135.349551] [] ? process_one_work+0x4e0/0x4e0 [ 135.349557] [] kthread+0xdb/0x100 [ 135.349565] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.349571] [] ret_from_fork+0x7c/0xb0 [ 135.349578] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.349582] ---[ end trace efdbe4ce60fe9915 ]--- [ 135.350564] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.351234] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 135.351871] [drm:intel_dp_start_link_train] clock recovery OK [ 135.352801] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 135.353726] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 135.354643] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.355569] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.356492] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.357427] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.358343] ------------[ cut here ]------------ [ 135.358377] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 135.358380] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 135.358440] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 135.358494] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 135.358497] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 135.358522] Workqueue: events i915_hotplug_work_func [i915] [ 135.358525] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 135.358531] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 135.358536] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 135.358542] Call Trace: [ 135.358549] [] dump_stack+0x45/0x56 [ 135.358555] [] warn_slowpath_common+0x7d/0xa0 [ 135.358562] [] warn_slowpath_null+0x1a/0x20 [ 135.358594] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 135.358627] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 135.358658] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 135.358689] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 135.358716] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 135.358722] [] process_one_work+0x182/0x4e0 [ 135.358727] [] worker_thread+0x6b/0x6a0 [ 135.358732] [] ? process_one_work+0x4e0/0x4e0 [ 135.358739] [] kthread+0xdb/0x100 [ 135.358745] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.358751] [] ret_from_fork+0x7c/0xb0 [ 135.358757] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.358761] ---[ end trace efdbe4ce60fe9916 ]--- [ 135.359718] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.360353] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 135.360979] [drm:intel_dp_start_link_train] clock recovery OK [ 135.361925] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 135.362845] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 135.363759] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.364689] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.365614] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.366534] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.367452] ------------[ cut here ]------------ [ 135.367485] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 135.367487] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 135.367547] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 135.367602] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 135.367605] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 135.367629] Workqueue: events i915_hotplug_work_func [i915] [ 135.367632] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 135.367638] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 135.367643] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 135.367649] Call Trace: [ 135.367656] [] dump_stack+0x45/0x56 [ 135.367663] [] warn_slowpath_common+0x7d/0xa0 [ 135.367669] [] warn_slowpath_null+0x1a/0x20 [ 135.367702] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 135.367735] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 135.367766] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 135.367797] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 135.367824] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 135.367830] [] process_one_work+0x182/0x4e0 [ 135.367835] [] worker_thread+0x6b/0x6a0 [ 135.367841] [] ? process_one_work+0x4e0/0x4e0 [ 135.367847] [] kthread+0xdb/0x100 [ 135.367854] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.367859] [] ret_from_fork+0x7c/0xb0 [ 135.367866] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.367869] ---[ end trace efdbe4ce60fe9917 ]--- [ 135.368825] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.369503] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 135.370215] [drm:intel_dp_start_link_train] clock recovery OK [ 135.371136] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 135.372324] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 135.373332] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.374285] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.375210] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.376136] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.377069] ------------[ cut here ]------------ [ 135.377118] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 135.377121] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 135.377186] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 135.377248] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 135.377252] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 135.377285] Workqueue: events i915_hotplug_work_func [i915] [ 135.377288] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 135.377295] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 135.377301] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 135.377307] Call Trace: [ 135.377318] [] dump_stack+0x45/0x56 [ 135.377326] [] warn_slowpath_common+0x7d/0xa0 [ 135.377332] [] warn_slowpath_null+0x1a/0x20 [ 135.377373] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 135.377411] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 135.377467] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 135.377504] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 135.377537] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 135.377545] [] process_one_work+0x182/0x4e0 [ 135.377551] [] worker_thread+0x6b/0x6a0 [ 135.377557] [] ? process_one_work+0x4e0/0x4e0 [ 135.377564] [] kthread+0xdb/0x100 [ 135.377573] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.377579] [] ret_from_fork+0x7c/0xb0 [ 135.377586] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.377590] ---[ end trace efdbe4ce60fe9918 ]--- [ 135.378651] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.379291] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 135.379925] [drm:intel_dp_start_link_train] clock recovery OK [ 135.380252] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting [ 135.385593] [drm:intel_dp_detect] [CONNECTOR:22:DP-1] [ 135.385879] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 135.420469] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 135.420793] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 135.421737] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.422355] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 135.422971] [drm:intel_dp_start_link_train] clock recovery OK [ 135.423897] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 135.424803] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.425989] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.426897] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.427897] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.428804] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.429718] ------------[ cut here ]------------ [ 135.429767] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 135.429769] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 135.429808] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 135.429846] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 135.429849] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 135.429880] Workqueue: events i915_hotplug_work_func [i915] [ 135.429883] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 135.429886] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 135.429889] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 135.429893] Call Trace: [ 135.429900] [] dump_stack+0x45/0x56 [ 135.429906] [] warn_slowpath_common+0x7d/0xa0 [ 135.429910] [] warn_slowpath_null+0x1a/0x20 [ 135.429945] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 135.429973] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 135.429999] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 135.430022] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 135.430042] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 135.430047] [] process_one_work+0x182/0x4e0 [ 135.430050] [] worker_thread+0x6b/0x6a0 [ 135.430053] [] ? process_one_work+0x4e0/0x4e0 [ 135.430057] [] kthread+0xdb/0x100 [ 135.430061] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.430066] [] ret_from_fork+0x7c/0xb0 [ 135.430070] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.430073] ---[ end trace efdbe4ce60fe9919 ]--- [ 135.431023] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.431652] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 135.432264] [drm:intel_dp_start_link_train] clock recovery OK [ 135.433181] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 135.434132] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 135.435031] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.436021] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.436928] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.437848] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.438751] ------------[ cut here ]------------ [ 135.438779] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 135.438781] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 135.438810] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 135.438835] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 135.438837] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 135.438853] Workqueue: events i915_hotplug_work_func [i915] [ 135.438854] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 135.438857] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 135.438860] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 135.438862] Call Trace: [ 135.438868] [] dump_stack+0x45/0x56 [ 135.438872] [] warn_slowpath_common+0x7d/0xa0 [ 135.438875] [] warn_slowpath_null+0x1a/0x20 [ 135.438892] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 135.438910] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 135.438925] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 135.438939] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 135.438952] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 135.438956] [] process_one_work+0x182/0x4e0 [ 135.438958] [] worker_thread+0x6b/0x6a0 [ 135.438961] [] ? process_one_work+0x4e0/0x4e0 [ 135.438964] [] kthread+0xdb/0x100 [ 135.438967] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.438969] [] ret_from_fork+0x7c/0xb0 [ 135.438972] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.438974] ---[ end trace efdbe4ce60fe991a ]--- [ 135.439910] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.440524] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 135.441130] [drm:intel_dp_start_link_train] clock recovery OK [ 135.442050] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 135.442953] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 135.443850] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.444751] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.445654] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.446703] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.447605] ------------[ cut here ]------------ [ 135.447622] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 135.447623] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 135.447647] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 135.447669] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 135.447670] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 135.447681] Workqueue: events i915_hotplug_work_func [i915] [ 135.447682] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 135.447685] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 135.447687] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 135.447689] Call Trace: [ 135.447693] [] dump_stack+0x45/0x56 [ 135.447696] [] warn_slowpath_common+0x7d/0xa0 [ 135.447698] [] warn_slowpath_null+0x1a/0x20 [ 135.447711] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 135.447724] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 135.447737] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 135.447749] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 135.447760] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 135.447762] [] process_one_work+0x182/0x4e0 [ 135.447764] [] worker_thread+0x6b/0x6a0 [ 135.447766] [] ? process_one_work+0x4e0/0x4e0 [ 135.447769] [] kthread+0xdb/0x100 [ 135.447771] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.447774] [] ret_from_fork+0x7c/0xb0 [ 135.447776] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.447777] ---[ end trace efdbe4ce60fe991b ]--- [ 135.448709] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.449473] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 135.450082] [drm:intel_dp_start_link_train] clock recovery OK [ 135.450987] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 135.451885] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 135.452913] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.453839] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.454741] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.455646] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.456547] ------------[ cut here ]------------ [ 135.456570] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 135.456572] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 135.456598] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 135.456623] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 135.456624] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 135.456638] Workqueue: events i915_hotplug_work_func [i915] [ 135.456640] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 135.456643] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 135.456645] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 135.456648] Call Trace: [ 135.456652] [] dump_stack+0x45/0x56 [ 135.456656] [] warn_slowpath_common+0x7d/0xa0 [ 135.456658] [] warn_slowpath_null+0x1a/0x20 [ 135.456675] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 135.456690] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 135.456706] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 135.456720] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 135.456733] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 135.456736] [] process_one_work+0x182/0x4e0 [ 135.456738] [] worker_thread+0x6b/0x6a0 [ 135.456741] [] ? process_one_work+0x4e0/0x4e0 [ 135.456743] [] kthread+0xdb/0x100 [ 135.456746] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.456749] [] ret_from_fork+0x7c/0xb0 [ 135.456752] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.456754] ---[ end trace efdbe4ce60fe991c ]--- [ 135.457699] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.458313] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 135.458924] [drm:intel_dp_start_link_train] clock recovery OK [ 135.459833] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 135.460740] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 135.461643] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.462549] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.463447] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.464355] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.465259] ------------[ cut here ]------------ [ 135.465306] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 135.465307] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 135.465337] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 135.465366] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 135.465368] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 135.465392] Workqueue: events i915_hotplug_work_func [i915] [ 135.465394] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 135.465396] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 135.465398] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 135.465401] Call Trace: [ 135.465407] [] dump_stack+0x45/0x56 [ 135.465411] [] warn_slowpath_common+0x7d/0xa0 [ 135.465413] [] warn_slowpath_null+0x1a/0x20 [ 135.465445] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 135.465472] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 135.465494] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 135.465513] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 135.465528] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 135.465533] [] process_one_work+0x182/0x4e0 [ 135.465549] [] worker_thread+0x6b/0x6a0 [ 135.465557] [] ? process_one_work+0x4e0/0x4e0 [ 135.465561] [] kthread+0xdb/0x100 [ 135.465568] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.465577] [] ret_from_fork+0x7c/0xb0 [ 135.465585] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.465587] ---[ end trace efdbe4ce60fe991d ]--- [ 135.466543] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.467138] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 135.467742] [drm:intel_dp_start_link_train] clock recovery OK [ 135.468646] [drm:intel_dp_set_signal_levels] Using signal levels 02000000 [ 135.469542] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 135.470450] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.471351] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.472247] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.473144] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.474044] ------------[ cut here ]------------ [ 135.474072] WARNING: CPU: 2 PID: 27 at /home/czikus/Code/linux/linux-3.16.0/drivers/gpu/drm/i915/intel_dp.c:3122 intel_dp_link_down+0x1a9/0x230 [i915]() [ 135.474073] Modules linked in: cdc_ether(E) usbnet(E) r8152(E) mii(E) hidp(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4(E) arc4(E) uvcvideo(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) media(E) btusb(E) asus_nb_wmi(E) asus_wmi(E) sparse_keymap(E) rfcomm(E) bnep(E) bluetooth(E) 6lowpan_iphc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) dm_multipath(E) aesni_intel(E) scsi_dh(E) iwlmvm(E) aes_x86_64(E) lrw(E) gf128mul(E) mac80211(E) glue_helper(E) ablk_helper(E) cryptd(E) iwlwifi(E) joydev(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) serio_raw(E) cfg80211(E) mei_me(E) binfmt_misc(E) mei(E) lpc_ich(E) [ 135.474099] shpchp(E) snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_soc_rt5640(E) snd_soc_rl6231(E) snd_soc_core(E) snd_compress(E) snd_pcm_dmaengine(E) snd_seq(E) i2c_hid(E) snd_pcm(E) snd_seq_device(E) snd_timer(E) snd(E) dw_dmac(E) i2c_designware_platform(E) dw_dmac_core(E) snd_soc_sst_acpi(E) i2c_designware_core(E) 8250_dw(E) spi_pxa2xx_platform(E) intel_smartconnect(E) soundcore(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) nls_iso8859_1(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_generic(E) usbhid(E) hid(E) psmouse(E) i915(E) ahci(E) i2c_algo_bit(E) libahci(E) drm_kms_helper(E) drm(E) wmi(E) video(E) sdhci_acpi(E) sdhci(E) [ 135.474124] CPU: 2 PID: 27 Comm: kworker/2:0 Tainted: G W OE 3.16.0-24-generic #32-Ubuntu [ 135.474125] Hardware name: ASUSTeK COMPUTER INC. UX301LAA/UX301LAA, BIOS UX301LAA.206 12/31/2013 [ 135.474141] Workqueue: events i915_hotplug_work_func [i915] [ 135.474142] 0000000000000009 ffff880213163c88 ffffffff8277fcbc 0000000000000000 [ 135.474144] ffff880213163cc0 ffffffff8206fd8d ffff880035fb0000 0000000083000006 [ 135.474147] ffff88020fca6800 0000000000000001 ffff88020fca78d8 ffff880213163cd0 [ 135.474149] Call Trace: [ 135.474154] [] dump_stack+0x45/0x56 [ 135.474157] [] warn_slowpath_common+0x7d/0xa0 [ 135.474159] [] warn_slowpath_null+0x1a/0x20 [ 135.474176] [] intel_dp_link_down+0x1a9/0x230 [i915] [ 135.474192] [] intel_dp_complete_link_train+0x105/0x390 [i915] [ 135.474206] [] intel_dp_check_link_status+0xc0/0x1b0 [i915] [ 135.474219] [] intel_ddi_hot_plug+0x28/0x30 [i915] [ 135.474231] [] i915_hotplug_work_func+0x1f4/0x340 [i915] [ 135.474234] [] process_one_work+0x182/0x4e0 [ 135.474236] [] worker_thread+0x6b/0x6a0 [ 135.474238] [] ? process_one_work+0x4e0/0x4e0 [ 135.474240] [] kthread+0xdb/0x100 [ 135.474243] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.474245] [] ret_from_fork+0x7c/0xb0 [ 135.474248] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 135.474249] ---[ end trace efdbe4ce60fe991e ]--- [ 135.475182] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.475797] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 135.476400] [drm:intel_dp_start_link_train] clock recovery OK [ 135.476842] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting [ 135.481778] [drm:intel_hdmi_detect] [CONNECTOR:23:HDMI-A-1] [ 135.481937] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1) [ 135.481938] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb [ 135.896100] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00200000 [ 135.896103] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 4 - cnt: 0 [ 135.896116] [drm:i915_hotplug_work_func] running encoder hotplug functions [ 135.896118] [drm:i915_hotplug_work_func] Connector DP-1 (pin 4) received hotplug event. [ 135.896119] [drm:i915_hotplug_work_func] Connector HDMI-A-1 (pin 4) received hotplug event. [ 135.896609] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 135.896928] [drm:intel_dp_check_link_status] TMDS-21: channel EQ not ok, retraining [ 135.897870] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.899349] [drm:intel_dp_set_signal_levels] Using signal levels 03000000 [ 135.899964] [drm:intel_dp_start_link_train] clock recovery OK [ 135.900879] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 135.901773] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 135.902679] [drm:intel_dp_set_signal_levels] Using signal levels 01000000 [ 135.910315] [drm:intel_dp_complete_link_train] Channel EQ done. DP Training successful [ 135.910481] [drm:intel_dp_detect] [CONNECTOR:22:DP-1] [ 135.910760] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 135.945034] [drm:intel_dp_get_dpcd] DPCD: 11 0a 84 00 00 00 00 00 00 00 00 00 00 00 00 [ 135.945352] [drm:intel_hdmi_detect] [CONNECTOR:23:HDMI-A-1] [ 135.945507] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1) [ 135.945508] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb