[ 46.905234] vboxdrv: Found 8 processor cores. [ 46.905517] vboxdrv: fAsync=0 offMin=0x18a offMax=0x6021 [ 46.905591] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'. [ 46.905593] vboxdrv: Successfully loaded version 4.3.12 (interface 0x001a0007). [ 47.295204] vboxpci: IOMMU not found (not registered) [ 48.342479] ip_tables: (C) 2000-2006 Netfilter Core Team [ 48.374062] nf_conntrack version 0.5.0 (16384 buckets, 65536 max) [ 48.759521] init: plymouth-upstart-bridge main process ended, respawning [ 48.763146] init: plymouth-upstart-bridge main process (1704) terminated with status 1 [ 48.763155] init: plymouth-upstart-bridge main process ended, respawning [ 49.743502] bbswitch: version 0.8 [ 49.743508] bbswitch: Found integrated VGA device 0000:00:02.0: \_SB_.PCI0.GFX0 [ 49.743512] bbswitch: Found discrete VGA device 0000:01:00.0: \_SB_.PCI0.PEG0.PEGP [ 49.743520] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95) [ 49.743629] bbswitch: detected an Optimus _DSM function [ 49.743639] pci 0000:01:00.0: enabling device (0006 -> 0007) [ 49.743667] bbswitch: Succesfully loaded. Discrete card 0000:01:00.0 is on [ 49.774716] bbswitch: disabling discrete graphics [ 49.774726] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95) [ 57.742453] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.749668] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.756909] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.764173] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.771410] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.778631] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.785855] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.793118] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.800344] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.807580] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.814792] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.822041] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.829291] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.836505] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.843725] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.850852] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.858105] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.865323] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.872542] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 57.879761] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.371484] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.378697] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.385953] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.393307] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.400549] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.407729] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.414955] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.422201] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.429459] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.436694] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.443847] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.451069] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.458370] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.465604] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.472829] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.480059] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.487280] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.494504] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.501721] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 58.508844] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 59.761450] init: Failed to spawn nvidia-persistenced main process: unable to execute: No such file or directory [ 59.944979] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 59.952215] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 59.959350] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 59.966585] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 59.973823] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 59.981046] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 59.988267] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 59.995402] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 60.002625] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 60.009858] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up [ 61.345514] [drm:intel_dp_aux_native_write] *ERROR* too many retries, giving up [ 61.345518] [drm:intel_dp_start_link_train] *ERROR* failed to enable link training [ 61.352283] [drm:intel_dp_aux_native_write] *ERROR* too many retries, giving up [ 61.352286] [drm:intel_dp_complete_link_train] *ERROR* failed to start channel equalization [ 61.383508] [drm:cpt_verify_modeset] *ERROR* mode set failed: pipe B stuck [ 61.447617] ------------[ cut here ]------------ [ 61.447640] WARNING: CPU: 0 PID: 1437 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9237 intel_modeset_check_state+0x62d/0x780 [i915]() [ 61.447641] encoder's hw state doesn't match sw tracking (expected 1, found 0) [ 61.447642] Modules linked in: bbswitch(OF) ipt_REJECT xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) bnep rfcomm bluetooth binfmt_misc arc4 iwldvm mac80211 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd intel_rapl parport_pc soundcore iwlwifi ppdev lp uvcvideo x86_pkg_temp_thermal intel_powerclamp coretemp videobuf2_vmalloc videobuf2_memops dell_laptop dell_wmi mei_me videobuf2_core dcdbas sparse_keymap kvm_intel kvm cfg80211 mei videodev wmi serio_raw lpc_ich joydev parport mac_hid dm_crypt ses enclosure hid_generic usbhid hid usb_storage crct10dif_pclmul crc32_pclmul i915 ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd i2c_algo_bit drm_kms_helper ahci r8169 drm psmouse libahci mii video [ 61.447669] CPU: 0 PID: 1437 Comm: Xorg Tainted: GF O 3.13.0-32-generic #57-Ubuntu [ 61.447670] Hardware name: Dell Inc. Dell System XPS L502X/0NJT03, BIOS A12 09/07/2012 [ 61.447671] 0000000000000009 ffff88022e6a1b68 ffffffff8171bcb4 ffff88022e6a1bb0 [ 61.447673] ffff88022e6a1ba0 ffffffff810676cd ffff88022e6a1c20 0000000000000001 [ 61.447674] ffff88022d7c2800 ffff88022d7c2af8 ffff88022d4a6800 ffff88022e6a1c00 [ 61.447676] Call Trace: [ 61.447681] [] dump_stack+0x45/0x56 [ 61.447683] [] warn_slowpath_common+0x7d/0xa0 [ 61.447685] [] warn_slowpath_fmt+0x4c/0x50 [ 61.447694] [] intel_modeset_check_state+0x62d/0x780 [i915] [ 61.447701] [] intel_set_mode+0x25/0x30 [i915] [ 61.447709] [] intel_crtc_set_config+0x7ab/0x9a0 [i915] [ 61.447718] [] drm_mode_set_config_internal+0x5d/0xe0 [drm] [ 61.447726] [] drm_mode_setcrtc+0xf7/0x5e0 [drm] [ 61.447731] [] drm_ioctl+0x502/0x630 [drm] [ 61.447736] [] do_vfs_ioctl+0x2e0/0x4c0 [ 61.447738] [] ? vtime_account_user+0x54/0x60 [ 61.447740] [] SyS_ioctl+0x81/0xa0 [ 61.447742] [] tracesys+0xe1/0xe6 [ 61.447743] ---[ end trace 95d9014cfa2b20c7 ]--- [ 61.447763] [drm:intel_pipe_config_compare] *ERROR* mismatch in has_dp_encoder (expected 1, found 0) [ 61.447764] ------------[ cut here ]------------ [ 61.447772] WARNING: CPU: 0 PID: 1437 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9310 check_crtc_state+0x255/0x340 [i915]() [ 61.447772] pipe state doesn't match! [ 61.447773] Modules linked in: bbswitch(OF) ipt_REJECT xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) bnep rfcomm bluetooth binfmt_misc arc4 iwldvm mac80211 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd intel_rapl parport_pc soundcore iwlwifi ppdev lp uvcvideo x86_pkg_temp_thermal intel_powerclamp coretemp videobuf2_vmalloc videobuf2_memops dell_laptop dell_wmi mei_me videobuf2_core dcdbas sparse_keymap kvm_intel kvm cfg80211 mei videodev wmi serio_raw lpc_ich joydev parport mac_hid dm_crypt ses enclosure hid_generic usbhid hid usb_storage crct10dif_pclmul crc32_pclmul i915 ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd i2c_algo_bit drm_kms_helper ahci r8169 drm psmouse libahci mii video [ 61.447794] CPU: 0 PID: 1437 Comm: Xorg Tainted: GF W O 3.13.0-32-generic #57-Ubuntu [ 61.447795] Hardware name: Dell Inc. Dell System XPS L502X/0NJT03, BIOS A12 09/07/2012 [ 61.447795] 0000000000000009 ffff88022e6a18a8 ffffffff8171bcb4 ffff88022e6a18f0 [ 61.447797] ffff88022e6a18e0 ffffffff810676cd ffff88022d70d6e0 ffff88022e6a1970 [ 61.447798] ffff88022d7c2800 ffff88022d70d000 ffff88022d7c2b28 ffff88022e6a1940 [ 61.447799] Call Trace: [ 61.447801] [] dump_stack+0x45/0x56 [ 61.447803] [] warn_slowpath_common+0x7d/0xa0 [ 61.447804] [] warn_slowpath_fmt+0x4c/0x50 [ 61.447812] [] ? intel_pipe_config_compare+0x60b/0xae0 [i915] [ 61.447819] [] check_crtc_state+0x255/0x340 [i915] [ 61.447826] [] intel_modeset_check_state+0x2bb/0x780 [i915] [ 61.447833] [] intel_set_mode+0x25/0x30 [i915] [ 61.447840] [] intel_crtc_set_config+0x7ab/0x9a0 [i915] [ 61.447847] [] drm_mode_set_config_internal+0x5d/0xe0 [drm] [ 61.447854] [] drm_mode_setcrtc+0xf7/0x5e0 [drm] [ 61.447860] [] drm_ioctl+0x502/0x630 [drm] [ 61.447863] [] do_vfs_ioctl+0x2e0/0x4c0 [ 61.447865] [] ? vtime_account_user+0x54/0x60 [ 61.447867] [] SyS_ioctl+0x81/0xa0 [ 61.447868] [] tracesys+0xe1/0xe6 [ 61.447869] ---[ end trace 95d9014cfa2b20c8 ]--- [ 73.963315] type=1400 audit(1405630277.043:32): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=2656 comm="apparmor_parser" [ 73.963322] type=1400 audit(1405630277.043:33): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=2656 comm="apparmor_parser" [ 73.963645] type=1400 audit(1405630277.043:34): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=2656 comm="apparmor_parser"