Attachment 100891 Details for Bug 79896 – repro with drm.debug=14

repro with drm.debug=14

repro-drm-debug-14 (text/plain), 104.12 KB, created by Steven Noonan on 2014-06-11 18:13:11 UTC

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Description:

Filename:

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Creator: Steven Noonan

Created: 2014-06-11 18:13:11 UTC

Size: 104.12 KB

patch

obsolete

>[14823.086142] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14843.105621] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14844.639890] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14864.670673] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14867.067644] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14867.863153] [drm:intel_crtc_cursor_set], cursor off
>[14868.000509] [drm:intel_crtc_cursor_set], cursor off
>[14871.749606] [drm:intel_crtc_cursor_set], cursor off
>[14887.095636] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14888.800848] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14900.307193] [drm:intel_crtc_cursor_set], cursor off
>[14909.322747] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14910.912346] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14923.551305] [drm:intel_crtc_cursor_set], cursor off
>[14930.941942] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14932.906729] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14952.941226] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14955.004710] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14975.038459] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14977.652722] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14997.672336] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[14999.449340] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[15019.483062] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[15021.789049] [drm:intel_crtc_cursor_set], cursor off
>[15021.913342] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[15041.946366] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[15043.587936] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[15059.294608] [drm:intel_crtc_cursor_set], cursor off
>[15060.334711] [drm:intel_crtc_cursor_set], cursor off
>[15063.626363] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[15066.134910] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[15076.241318] [drm:i915_runtime_suspend], Suspending device
>[15079.631022] ------------[ cut here ]------------
>[15079.631074] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.631078] Device suspended
>[15079.631081] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.631163]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.631220] CPU: 0 PID: 403 Comm: X Tainted: G           O 3.14.6-2-ec2 #1
>[15079.631223] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.631226]  0000000000000009 ffff8800d2fb5bd0 ffffffff814fd4c3 ffff8800d2fb5c18
>[15079.631233]  ffff8800d2fb5c08 ffffffff810664ad 0000000000070088 ffff8800d1e34000
>[15079.631239]  ffff8800d1e34028 ffff8800d1e34020 0000000002f60457 ffff8800d2fb5c68
>[15079.631246] Call Trace:
>[15079.631257]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.631266]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.631271]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.631287]  [<ffffffff811dcaf0>] ? poll_select_copy_remaining+0x130/0x130
>[15079.631307]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.631324]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.631347]  [<ffffffffa00f364b>] i915_restore_display_reg+0x198b/0x8430 [i915]
>[15079.631367]  [<ffffffffa00f675a>] i915_restore_display_reg+0x4a9a/0x8430 [i915]
>[15079.631394]  [<ffffffffa006d0e4>] drm_mode_set_config_internal+0x204/0x260 [drm]
>[15079.631424]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.631443]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.631470]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.631480]  [<ffffffff8108e3fa>] ? __hrtimer_start_range_ns+0x1ea/0x400
>[15079.631488]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.631494]  [<ffffffff813f6195>] ? __sys_recvmsg+0x65/0x80
>[15079.631502]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.631510]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.631518]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.631521] ---[ end trace f8d148fddc103285 ]---
>[15079.631527] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70088
>[15079.631531] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70088
>[15079.631535] ------------[ cut here ]------------
>[15079.631552] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.631554] Device suspended
>[15079.631556] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.631627]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.631677] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.631680] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.631682]  0000000000000009 ffff8800d2fb5bd0 ffffffff814fd4c3 ffff8800d2fb5c18
>[15079.631688]  ffff8800d2fb5c08 ffffffff810664ad 0000000000070080 ffff8800d1e34000
>[15079.631694]  ffff8800d1e34028 ffff8800d1e34020 00000000ffffbfff ffff8800d2fb5c68
>[15079.631700] Call Trace:
>[15079.631705]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.631711]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.631716]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.631738]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.631755]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.631776]  [<ffffffffa00f36fe>] i915_restore_display_reg+0x1a3e/0x8430 [i915]
>[15079.631794]  [<ffffffffa00f675a>] i915_restore_display_reg+0x4a9a/0x8430 [i915]
>[15079.631819]  [<ffffffffa006d0e4>] drm_mode_set_config_internal+0x204/0x260 [drm]
>[15079.631846]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.631864]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.631889]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.631897]  [<ffffffff8108e3fa>] ? __hrtimer_start_range_ns+0x1ea/0x400
>[15079.631904]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.631909]  [<ffffffff813f6195>] ? __sys_recvmsg+0x65/0x80
>[15079.631916]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.631924]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.631930]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.631933] ---[ end trace f8d148fddc103286 ]---
>[15079.631937] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70080
>[15079.631941] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70080
>[15079.631945] ------------[ cut here ]------------
>[15079.631960] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.631963] Device suspended
>[15079.631965] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.632036]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.632085] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.632088] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.632090]  0000000000000009 ffff8800d2fb5bd0 ffffffff814fd4c3 ffff8800d2fb5c18
>[15079.632096]  ffff8800d2fb5c08 ffffffff810664ad 0000000000070084 ffff8800d1e34000
>[15079.632101]  ffff8800d1e34028 ffff8800d1e34020 00000000010a2000 ffff8800d2fb5c68
>[15079.632107] Call Trace:
>[15079.632112]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.632117]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.632123]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.632144]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.632160]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.632181]  [<ffffffffa00f3751>] i915_restore_display_reg+0x1a91/0x8430 [i915]
>[15079.632199]  [<ffffffffa00f675a>] i915_restore_display_reg+0x4a9a/0x8430 [i915]
>[15079.632222]  [<ffffffffa006d0e4>] drm_mode_set_config_internal+0x204/0x260 [drm]
>[15079.632249]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.632267]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.632291]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.632299]  [<ffffffff8108e3fa>] ? __hrtimer_start_range_ns+0x1ea/0x400
>[15079.632307]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.632312]  [<ffffffff813f6195>] ? __sys_recvmsg+0x65/0x80
>[15079.632319]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.632326]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.632332]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.632336] ---[ end trace f8d148fddc103287 ]---
>[15079.632339] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70084
>[15079.632343] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70084
>[15079.804038] ------------[ cut here ]------------
>[15079.804059] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.804060] Device suspended
>[15079.804060] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.804083]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.804099] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.804100] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.804101]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.804103]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070088 ffff8800d1e34000
>[15079.804105]  ffff8800d1e34028 ffff8800d1e34020 0000000002f60458 ffff8800d2fb5ca0
>[15079.804106] Call Trace:
>[15079.804110]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.804113]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.804114]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.804118]  [<ffffffff811dcaf0>] ? poll_select_copy_remaining+0x130/0x130
>[15079.804123]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.804127]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.804133]  [<ffffffffa00f364b>] i915_restore_display_reg+0x198b/0x8430 [i915]
>[15079.804136]  [<ffffffff81501062>] ? mutex_lock+0x12/0x30
>[15079.804140]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.804147]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.804150]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.804158]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.804162]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.804169]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.804171]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.804174]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.804175]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.804179]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.804181]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.804182] ---[ end trace f8d148fddc103288 ]---
>[15079.804184] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70088
>[15079.804186] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70088
>[15079.804187] ------------[ cut here ]------------
>[15079.804191] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.804192] Device suspended
>[15079.804192] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.804210]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.804222] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.804223] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.804224]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.804226]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070084 ffff8800d1e34000
>[15079.804227]  ffff8800d1e34028 ffff8800d1e34020 00000000010a2000 ffff8800d2fb5ca0
>[15079.804229] Call Trace:
>[15079.804230]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.804232]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.804233]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.804239]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.804244]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.804249]  [<ffffffffa00f3751>] i915_restore_display_reg+0x1a91/0x8430 [i915]
>[15079.804255]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.804261]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.804263]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.804270]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.804275]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.804282]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.804284]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.804286]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.804288]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.804289]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.804291]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.804292] ---[ end trace f8d148fddc103289 ]---
>[15079.804293] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70084
>[15079.804295] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70084
>[15079.863885] ------------[ cut here ]------------
>[15079.863938] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.863942] Device suspended
>[15079.863944] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.864027]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.864084] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.864088] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.864091]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.864098]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070088 ffff8800d1e34000
>[15079.864104]  ffff8800d1e34028 ffff8800d1e34020 0000000002fb0459 ffff8800d2fb5ca0
>[15079.864111] Call Trace:
>[15079.864122]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.864131]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.864136]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.864152]  [<ffffffff811dcaf0>] ? poll_select_copy_remaining+0x130/0x130
>[15079.864173]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.864191]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.864213]  [<ffffffffa00f364b>] i915_restore_display_reg+0x198b/0x8430 [i915]
>[15079.864222]  [<ffffffff81501062>] ? mutex_lock+0x12/0x30
>[15079.864242]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.864269]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.864278]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.864308]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.864327]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.864354]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.864363]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.864371]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.864378]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.864387]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.864394]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.864398] ---[ end trace f8d148fddc10328a ]---
>[15079.864404] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70088
>[15079.864408] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70088
>[15079.864412] ------------[ cut here ]------------
>[15079.864428] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.864431] Device suspended
>[15079.864433] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.864505]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.864554] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.864557] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.864559]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.864565]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070084 ffff8800d1e34000
>[15079.864571]  ffff8800d1e34028 ffff8800d1e34020 00000000010a2000 ffff8800d2fb5ca0
>[15079.864577] Call Trace:
>[15079.864582]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.864587]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.864593]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.864616]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.864636]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.864659]  [<ffffffffa00f3751>] i915_restore_display_reg+0x1a91/0x8430 [i915]
>[15079.864682]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.864708]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.864715]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.864746]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.864764]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.864794]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.864803]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.864810]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.864817]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.864825]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.864832]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.864836] ---[ end trace f8d148fddc10328b ]---
>[15079.864841] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70084
>[15079.864845] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70084
>[15079.872926] ------------[ cut here ]------------
>[15079.872980] WARNING: CPU: 2 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.872986] Device suspended
>[15079.872989] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.873065]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.873121] CPU: 2 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.873125] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.873128]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.873135]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070088 ffff8800d1e34000
>[15079.873141]  ffff8800d1e34028 ffff8800d1e34020 0000000003060456 ffff8800d2fb5ca0
>[15079.873148] Call Trace:
>[15079.873162]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.873170]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.873176]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.873191]  [<ffffffff811dcaf0>] ? poll_select_copy_remaining+0x130/0x130
>[15079.873211]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.873228]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.873252]  [<ffffffffa00f364b>] i915_restore_display_reg+0x198b/0x8430 [i915]
>[15079.873260]  [<ffffffff81501062>] ? mutex_lock+0x12/0x30
>[15079.873279]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.873306]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.873314]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.873345]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.873364]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.873391]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.873399]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.873406]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.873413]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.873422]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.873429]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.873433] ---[ end trace f8d148fddc10328c ]---
>[15079.873439] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70088
>[15079.873443] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70088
>[15079.873447] ------------[ cut here ]------------
>[15079.873464] WARNING: CPU: 2 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.873466] Device suspended
>[15079.873468] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.873540]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.873593] CPU: 2 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.873596] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.873599]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.873605]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070084 ffff8800d1e34000
>[15079.873610]  ffff8800d1e34028 ffff8800d1e34020 00000000010a2000 ffff8800d2fb5ca0
>[15079.873616] Call Trace:
>[15079.873622]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.873627]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.873633]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.873654]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.873674]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.873695]  [<ffffffffa00f3751>] i915_restore_display_reg+0x1a91/0x8430 [i915]
>[15079.873713]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.873737]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.873744]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.873773]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.873792]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.873817]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.873825]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.873834]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.873841]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.873847]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.873854]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.873857] ---[ end trace f8d148fddc10328d ]---
>[15079.873861] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70084
>[15079.873865] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70084
>[15079.882624] ------------[ cut here ]------------
>[15079.882647] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.882648] Device suspended
>[15079.882648] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.882672]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.882688] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.882689] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.882690]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.882692]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070088 ffff8800d1e34000
>[15079.882693]  ffff8800d1e34028 ffff8800d1e34020 000000000324044c ffff8800d2fb5ca0
>[15079.882695] Call Trace:
>[15079.882699]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.882702]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.882703]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.882708]  [<ffffffff811dcaf0>] ? poll_select_copy_remaining+0x130/0x130
>[15079.882712]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.882717]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.882722]  [<ffffffffa00f364b>] i915_restore_display_reg+0x198b/0x8430 [i915]
>[15079.882725]  [<ffffffff81501062>] ? mutex_lock+0x12/0x30
>[15079.882730]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.882738]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.882740]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.882748]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.882752]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.882759]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.882761]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.882764]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.882766]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.882768]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.882770]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.882771] ---[ end trace f8d148fddc10328e ]---
>[15079.882774] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70088
>[15079.882775] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70088
>[15079.882776] ------------[ cut here ]------------
>[15079.882780] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.882781] Device suspended
>[15079.882781] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.882799]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.882810] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.882811] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.882812]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.882813]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070084 ffff8800d1e34000
>[15079.882815]  ffff8800d1e34028 ffff8800d1e34020 00000000010a2000 ffff8800d2fb5ca0
>[15079.882816] Call Trace:
>[15079.882817]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.882819]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.882820]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.882825]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.882829]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.882835]  [<ffffffffa00f3751>] i915_restore_display_reg+0x1a91/0x8430 [i915]
>[15079.882839]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.882845]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.882847]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.882853]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.882858]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.882864]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.882866]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.882867]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.882869]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.882871]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.882872]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.882873] ---[ end trace f8d148fddc10328f ]---
>[15079.882874] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70084
>[15079.882876] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70084
>[15079.892606] ------------[ cut here ]------------
>[15079.892657] WARNING: CPU: 2 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.892664] Device suspended
>[15079.892666] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.892751]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.892808] CPU: 2 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.892812] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.892815]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.892822]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070088 ffff8800d1e34000
>[15079.892831]  ffff8800d1e34028 ffff8800d1e34020 00000000034d043d ffff8800d2fb5ca0
>[15079.892838] Call Trace:
>[15079.892849]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.892858]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.892864]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.892879]  [<ffffffff811dcaf0>] ? poll_select_copy_remaining+0x130/0x130
>[15079.892899]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.892918]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.892944]  [<ffffffffa00f364b>] i915_restore_display_reg+0x198b/0x8430 [i915]
>[15079.892953]  [<ffffffff81501062>] ? mutex_lock+0x12/0x30
>[15079.892976]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.893004]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.893016]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.893047]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.893066]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.893095]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.893107]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.893116]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.893124]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.893133]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.893141]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.893145] ---[ end trace f8d148fddc103290 ]---
>[15079.893152] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70088
>[15079.893156] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70088
>[15079.893160] ------------[ cut here ]------------
>[15079.893179] WARNING: CPU: 2 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.893181] Device suspended
>[15079.893184] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.893260]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.893317] CPU: 2 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.893320] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.893323]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.893329]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070084 ffff8800d1e34000
>[15079.893336]  ffff8800d1e34028 ffff8800d1e34020 00000000010a2000 ffff8800d2fb5ca0
>[15079.893342] Call Trace:
>[15079.893348]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.893355]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.893361]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.893386]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.893404]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.893426]  [<ffffffffa00f3751>] i915_restore_display_reg+0x1a91/0x8430 [i915]
>[15079.893449]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.893474]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.893482]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.893513]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.893536]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.893565]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.893574]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.893581]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.893589]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.893596]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.893604]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.893610] ---[ end trace f8d148fddc103291 ]---
>[15079.893615] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70084
>[15079.893619] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70084
>[15079.902442] ------------[ cut here ]------------
>[15079.902450] WARNING: CPU: 2 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.902450] Device suspended
>[15079.902451] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.902469]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.902481] CPU: 2 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.902482] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.902482]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.902484]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070088 ffff8800d1e34000
>[15079.902485]  ffff8800d1e34028 ffff8800d1e34020 000000000376042e ffff8800d2fb5ca0
>[15079.902487] Call Trace:
>[15079.902489]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.902490]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.902492]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.902495]  [<ffffffff811dcaf0>] ? poll_select_copy_remaining+0x130/0x130
>[15079.902499]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.902504]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.902509]  [<ffffffffa00f364b>] i915_restore_display_reg+0x198b/0x8430 [i915]
>[15079.902511]  [<ffffffff81501062>] ? mutex_lock+0x12/0x30
>[15079.902515]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.902521]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.902523]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.902530]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.902535]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.902541]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.902543]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.902545]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.902547]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.902548]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.902550]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.902551] ---[ end trace f8d148fddc103292 ]---
>[15079.902552] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70088
>[15079.902554] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70088
>[15079.902555] ------------[ cut here ]------------
>[15079.902559] WARNING: CPU: 2 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.902559] Device suspended
>[15079.902560] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.902577]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.902589] CPU: 2 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.902590] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.902590]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.902592]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070084 ffff8800d1e34000
>[15079.902593]  ffff8800d1e34028 ffff8800d1e34020 00000000010a2000 ffff8800d2fb5ca0
>[15079.902594] Call Trace:
>[15079.902596]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.902597]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.902598]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.902603]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.902607]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.902612]  [<ffffffffa00f3751>] i915_restore_display_reg+0x1a91/0x8430 [i915]
>[15079.902617]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.902623]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.902624]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.902631]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.902635]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.902641]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.902643]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.902645]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.902647]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.902648]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.902650]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.902651] ---[ end trace f8d148fddc103293 ]---
>[15079.902652] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70084
>[15079.902653] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70084
>[15079.930267] ------------[ cut here ]------------
>[15079.930288] WARNING: CPU: 2 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.930289] Device suspended
>[15079.930290] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.930313]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.930329] CPU: 2 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.930330] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.930331]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.930333]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070088 ffff8800d1e34000
>[15079.930334]  ffff8800d1e34028 ffff8800d1e34020 00000000039f041f ffff8800d2fb5ca0
>[15079.930336] Call Trace:
>[15079.930340]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.930343]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.930344]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.930349]  [<ffffffff811dcaf0>] ? poll_select_copy_remaining+0x130/0x130
>[15079.930354]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.930358]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.930364]  [<ffffffffa00f364b>] i915_restore_display_reg+0x198b/0x8430 [i915]
>[15079.930366]  [<ffffffff81501062>] ? mutex_lock+0x12/0x30
>[15079.930371]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.930378]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.930381]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.930388]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.930393]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.930399]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.930401]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.930404]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.930405]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.930408]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.930410]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.930411] ---[ end trace f8d148fddc103294 ]---
>[15079.930413] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70088
>[15079.930415] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70088
>[15079.930416] ------------[ cut here ]------------
>[15079.930420] WARNING: CPU: 2 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.930420] Device suspended
>[15079.930421] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.930439]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.930450] CPU: 2 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.930451] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.930452]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.930453]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070084 ffff8800d1e34000
>[15079.930455]  ffff8800d1e34028 ffff8800d1e34020 00000000010a2000 ffff8800d2fb5ca0
>[15079.930456] Call Trace:
>[15079.930457]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.930459]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.930460]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.930465]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.930469]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.930475]  [<ffffffffa00f3751>] i915_restore_display_reg+0x1a91/0x8430 [i915]
>[15079.930479]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.930485]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.930486]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.930493]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.930498]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.930504]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.930506]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.930508]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.930509]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.930511]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.930513]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.930514] ---[ end trace f8d148fddc103295 ]---
>[15079.930515] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70084
>[15079.930516] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70084
>[15079.949454] ------------[ cut here ]------------
>[15079.949462] WARNING: CPU: 2 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.949463] Device suspended
>[15079.949463] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.949481]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.949493] CPU: 2 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.949494] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.949495]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.949496]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070088 ffff8800d1e34000
>[15079.949498]  ffff8800d1e34028 ffff8800d1e34020 0000000003de0408 ffff8800d2fb5ca0
>[15079.949499] Call Trace:
>[15079.949501]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.949503]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.949504]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.949507]  [<ffffffff811dcaf0>] ? poll_select_copy_remaining+0x130/0x130
>[15079.949512]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.949516]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.949522]  [<ffffffffa00f364b>] i915_restore_display_reg+0x198b/0x8430 [i915]
>[15079.949523]  [<ffffffff81501062>] ? mutex_lock+0x12/0x30
>[15079.949528]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.949534]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.949536]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.949543]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.949548]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.949554]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.949556]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.949558]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.949559]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.949561]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.949563]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.949564] ---[ end trace f8d148fddc103296 ]---
>[15079.949565] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70088
>[15079.949567] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70088
>[15079.949568] ------------[ cut here ]------------
>[15079.949572] WARNING: CPU: 2 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.949572] Device suspended
>[15079.949573] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.949590]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.949602] CPU: 2 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.949603] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.949603]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.949605]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070084 ffff8800d1e34000
>[15079.949606]  ffff8800d1e34028 ffff8800d1e34020 00000000010a2000 ffff8800d2fb5ca0
>[15079.949608] Call Trace:
>[15079.949609]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.949610]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.949612]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.949617]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.949621]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.949626]  [<ffffffffa00f3751>] i915_restore_display_reg+0x1a91/0x8430 [i915]
>[15079.949630]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.949636]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.949637]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.949644]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.949649]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.949655]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.949657]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.949658]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.949660]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.949662]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.949663]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.949664] ---[ end trace f8d148fddc103297 ]---
>[15079.949665] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70084
>[15079.949666] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70084
>[15079.959534] ------------[ cut here ]------------
>[15079.959545] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.959546] Device suspended
>[15079.959547] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.959568]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.959583] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.959584] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.959584]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.959586]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070088 ffff8800d1e34000
>[15079.959588]  ffff8800d1e34028 ffff8800d1e34020 0000000003ff03f9 ffff8800d2fb5ca0
>[15079.959590] Call Trace:
>[15079.959592]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.959594]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.959596]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.959600]  [<ffffffff811dcaf0>] ? poll_select_copy_remaining+0x130/0x130
>[15079.959605]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.959610]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.959616]  [<ffffffffa00f364b>] i915_restore_display_reg+0x198b/0x8430 [i915]
>[15079.959618]  [<ffffffff81501062>] ? mutex_lock+0x12/0x30
>[15079.959623]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.959630]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.959633]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.959641]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.959646]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.959653]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.959655]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.959657]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.959659]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.959662]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.959664]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.959665] ---[ end trace f8d148fddc103298 ]---
>[15079.959666] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70088
>[15079.959668] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70088
>[15079.959669] ------------[ cut here ]------------
>[15079.959674] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.959674] Device suspended
>[15079.959675] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.959694]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.959707] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.959708] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.959708]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.959710]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070084 ffff8800d1e34000
>[15079.959711]  ffff8800d1e34028 ffff8800d1e34020 00000000010a2000 ffff8800d2fb5ca0
>[15079.959713] Call Trace:
>[15079.959714]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.959716]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.959717]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.959723]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.959729]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.959735]  [<ffffffffa00f3751>] i915_restore_display_reg+0x1a91/0x8430 [i915]
>[15079.959741]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.959748]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.959750]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.959758]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.959763]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.959771]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.959773]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.959775]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.959777]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.959779]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.959781]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.959782] ---[ end trace f8d148fddc103299 ]---
>[15079.959784] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70084
>[15079.959785] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70084
>[15079.960602] ------------[ cut here ]------------
>[15079.960636] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.960642] Device suspended
>[15079.960645] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.960721]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.960776] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.960779] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.960782]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.960789]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070088 ffff8800d1e34000
>[15079.960795]  ffff8800d1e34028 ffff8800d1e34020 00000000040803f8 ffff8800d2fb5ca0
>[15079.960801] Call Trace:
>[15079.960810]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.960819]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.960825]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.960841]  [<ffffffff813f3747>] ? sock_recvmsg+0xb7/0xe0
>[15079.960850]  [<ffffffff811dcaf0>] ? poll_select_copy_remaining+0x130/0x130
>[15079.960870]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.960887]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.960912]  [<ffffffffa00f364b>] i915_restore_display_reg+0x198b/0x8430 [i915]
>[15079.960919]  [<ffffffff81501062>] ? mutex_lock+0x12/0x30
>[15079.960939]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.960965]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.960996]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.961015]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.961041]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.961052]  [<ffffffff8108e3fa>] ? __hrtimer_start_range_ns+0x1ea/0x400
>[15079.961060]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.961068]  [<ffffffff813f6195>] ? __sys_recvmsg+0x65/0x80
>[15079.961075]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.961083]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.961090]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.961094] ---[ end trace f8d148fddc10329a ]---
>[15079.961099] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70088
>[15079.961103] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70088
>[15079.961106] ------------[ cut here ]------------
>[15079.961124] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.961127] Device suspended
>[15079.961130] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.961205]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.961258] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.961261] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.961264]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.961271]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070084 ffff8800d1e34000
>[15079.961277]  ffff8800d1e34028 ffff8800d1e34020 00000000010a2000 ffff8800d2fb5ca0
>[15079.961283] Call Trace:
>[15079.961290]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.961296]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.961302]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.961327]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.961350]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.961373]  [<ffffffffa00f3751>] i915_restore_display_reg+0x1a91/0x8430 [i915]
>[15079.961396]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.961421]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.961454]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.961473]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.961502]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.961511]  [<ffffffff8108e3fa>] ? __hrtimer_start_range_ns+0x1ea/0x400
>[15079.961521]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.961526]  [<ffffffff813f6195>] ? __sys_recvmsg+0x65/0x80
>[15079.961534]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.961541]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.961549]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.961553] ---[ end trace f8d148fddc10329b ]---
>[15079.961558] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70084
>[15079.961562] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70084
>[15079.969621] ------------[ cut here ]------------
>[15079.969658] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.969664] Device suspended
>[15079.969666] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.969741]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.969802] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.969804] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.969806]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.969812]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070088 ffff8800d1e34000
>[15079.969815]  ffff8800d1e34028 ffff8800d1e34020 00000000042903e7 ffff8800d2fb5ca0
>[15079.969819] Call Trace:
>[15079.969825]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.969829]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.969832]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.969840]  [<ffffffff811dcaf0>] ? poll_select_copy_remaining+0x130/0x130
>[15079.969851]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.969861]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.969874]  [<ffffffffa00f364b>] i915_restore_display_reg+0x198b/0x8430 [i915]
>[15079.969879]  [<ffffffff81501062>] ? mutex_lock+0x12/0x30
>[15079.969890]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.969906]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.969910]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.969927]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.969940]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.969955]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.969960]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.969964]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.969968]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.969973]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.969977]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.969979] ---[ end trace f8d148fddc10329c ]---
>[15079.969998] ------------[ cut here ]------------
>[15079.970009] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.970011] Device suspended
>[15079.970012] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.970053]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.970083] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.970085] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.970087]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.970090]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070084 ffff8800d1e34000
>[15079.970093]  ffff8800d1e34028 ffff8800d1e34020 00000000010a2000 ffff8800d2fb5ca0
>[15079.970097] Call Trace:
>[15079.970100]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.970103]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.970106]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.970114]  [<ffffffff81502e3b>] ? _raw_spin_unlock_irqrestore+0x1b/0x70
>[15079.970124]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.970133]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.970145]  [<ffffffffa00f3751>] i915_restore_display_reg+0x1a91/0x8430 [i915]
>[15079.970156]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.970171]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.970175]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.970190]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.970201]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.970215]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.970220]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.970223]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.970227]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.970231]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.970235]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.970237] ---[ end trace f8d148fddc10329d ]---
>[15079.970389] ------------[ cut here ]------------
>[15079.970407] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.970409] Device suspended
>[15079.970411] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.970458]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.970488] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.970490] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.970492]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.970495]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070088 ffff8800d1e34000
>[15079.970498]  ffff8800d1e34028 ffff8800d1e34020 00000000042903e7 ffff8800d2fb5ca0
>[15079.970502] Call Trace:
>[15079.970506]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.970509]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.970512]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.970525]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.970536]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.970548]  [<ffffffffa00f364b>] i915_restore_display_reg+0x198b/0x8430 [i915]
>[15079.970553]  [<ffffffff813f4d33>] ? sock_aio_write+0x103/0x140
>[15079.970556]  [<ffffffff81501062>] ? mutex_lock+0x12/0x30
>[15079.970567]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.970580]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.970597]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.970607]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.970621]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.970626]  [<ffffffff811ca0b5>] ? do_readv_writev+0x195/0x220
>[15079.970631]  [<ffffffff81022926>] ? syscall_trace_leave+0x126/0x1c0
>[15079.970636]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.970640]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.970644]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.970648]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.970650] ---[ end trace f8d148fddc10329e ]---
>[15079.970653] ------------[ cut here ]------------
>[15079.970662] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.970663] Device suspended
>[15079.970664] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.970706]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.970736] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.970738] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.970739]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.970742]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070084 ffff8800d1e34000
>[15079.970745]  ffff8800d1e34028 ffff8800d1e34020 00000000010a2000 ffff8800d2fb5ca0
>[15079.970749] Call Trace:
>[15079.970751]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.970755]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.970758]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.970770]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.970780]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.970792]  [<ffffffffa00f3751>] i915_restore_display_reg+0x1a91/0x8430 [i915]
>[15079.970802]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.970815]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.970830]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.970840]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.970854]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.970858]  [<ffffffff811ca0b5>] ? do_readv_writev+0x195/0x220
>[15079.970863]  [<ffffffff81022926>] ? syscall_trace_leave+0x126/0x1c0
>[15079.970867]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.970872]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.970876]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.970880]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.970882] ---[ end trace f8d148fddc10329f ]---
>[15079.979634] ------------[ cut here ]------------
>[15079.979664] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.979666] Device suspended
>[15079.979668] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.979710]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.979744] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.979747] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.979750]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.979756]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070088 ffff8800d1e34000
>[15079.979762]  ffff8800d1e34028 ffff8800d1e34020 00000000043703d6 ffff8800d2fb5ca0
>[15079.979768] Call Trace:
>[15079.979776]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.979782]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.979787]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.979798]  [<ffffffff811dcaf0>] ? poll_select_copy_remaining+0x130/0x130
>[15079.979810]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.979814] [drm:i915_runtime_resume], Resuming device
>[15079.979821]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.979835]  [<ffffffffa00f364b>] i915_restore_display_reg+0x198b/0x8430 [i915]
>[15079.979841]  [<ffffffff81501062>] ? mutex_lock+0x12/0x30
>[15079.979853]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.979868]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.979872]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.979889]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.979900]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.979915]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.979920]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.979924]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.979928]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.979933]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.979937]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.979939] ---[ end trace f8d148fddc1032a0 ]---
>[15079.979982] ------------[ cut here ]------------
>[15079.979993] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.979994] Device suspended
>[15079.979995] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.980037]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.980067] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.980068] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.980070]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.980073]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070084 ffff8800d1e34000
>[15079.980077]  ffff8800d1e34028 ffff8800d1e34020 00000000010a2000 ffff8800d2fb5ca0
>[15079.980080] Call Trace:
>[15079.980083]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.980087]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.980091]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.980098]  [<ffffffff81502e3b>] ? _raw_spin_unlock_irqrestore+0x1b/0x70
>[15079.980108]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.980118]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.980130]  [<ffffffffa00f3751>] i915_restore_display_reg+0x1a91/0x8430 [i915]
>[15079.980140]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.980156]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.980160]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.980176]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.980187]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.980201]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.980206]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.980210]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.980214]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.980218]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.980222]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.980223] ---[ end trace f8d148fddc1032a1 ]---
>[15079.988702] ------------[ cut here ]------------
>[15079.988723] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.988725] Device suspended
>[15079.988727] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.988793]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.988841] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.988844] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.988847]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.988853]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070088 ffff8800d1e34000
>[15079.988858]  ffff8800d1e34028 ffff8800d1e34020 00000000043703c1 ffff8800d2fb5ca0
>[15079.988864] Call Trace:
>[15079.988872]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.988878]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.988883]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.988893]  [<ffffffff811dcaf0>] ? poll_select_copy_remaining+0x130/0x130
>[15079.988909]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.988923]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.988940]  [<ffffffffa00f364b>] i915_restore_display_reg+0x198b/0x8430 [i915]
>[15079.988945]  [<ffffffff81501062>] ? mutex_lock+0x12/0x30
>[15079.988960]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.988979]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.988985]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.989006]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.989021]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.989040]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.989047]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.989053]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.989059]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.989065]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.989072]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.989075] ---[ end trace f8d148fddc1032a2 ]---
>[15079.989079] ------------[ cut here ]------------
>[15079.989092] WARNING: CPU: 0 PID: 403 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]()
>[15079.989095] Device suspended
>[15079.989097] Modules linked in: dm_mod cpufreq_stats ctr ccm fuse hid_generic hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_magn_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc arc4 tun nls_cp437 vfat fat x86_pkg_temp_thermal iwlmvm intel_powerclamp coretemp mac80211 kvm_intel snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_conexant snd_hda_codec_generic aesni_intel aes_x86_64 lrw gf128mul iwlwifi glue_helper ablk_helper cryptd psmouse lpc_ich microcode serio_raw mfd_core cfg80211 i2c_i801 thinkpad_acpi tpm_tis snd_hda_intel tpm nvram battery ac snd_hda_codec thermal snd_hwdep
>[15079.989164]  snd_pcm wmi snd_timer evdev snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common xhci_hcd ahci libahci libata crc32c_intel scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button
>[15079.989210] CPU: 0 PID: 403 Comm: X Tainted: G        W  O 3.14.6-2-ec2 #1
>[15079.989213] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014
>[15079.989215]  0000000000000009 ffff8800d2fb5c08 ffffffff814fd4c3 ffff8800d2fb5c50
>[15079.989221]  ffff8800d2fb5c40 ffffffff810664ad 0000000000070084 ffff8800d1e34000
>[15079.989226]  ffff8800d1e34028 ffff8800d1e34020 00000000010a2000 ffff8800d2fb5ca0
>[15079.989231] Call Trace:
>[15079.989235]  [<ffffffff814fd4c3>] dump_stack+0x45/0x56
>[15079.989240]  [<ffffffff810664ad>] warn_slowpath_common+0x7d/0xa0
>[15079.989245]  [<ffffffff8106651c>] warn_slowpath_fmt+0x4c/0x50
>[15079.989254]  [<ffffffff811dcaf0>] ? poll_select_copy_remaining+0x130/0x130
>[15079.989268]  [<ffffffffa013a849>] vlv_flisdsi_write+0x1d69/0x2cc0 [i915]
>[15079.989282]  [<ffffffffa013af46>] vlv_flisdsi_write+0x2466/0x2cc0 [i915]
>[15079.989297]  [<ffffffffa00f3751>] i915_restore_display_reg+0x1a91/0x8430 [i915]
>[15079.989311]  [<ffffffffa00f390f>] i915_restore_display_reg+0x1c4f/0x8430 [i915]
>[15079.989326]  [<ffffffffa006d060>] drm_mode_set_config_internal+0x180/0x260 [drm]
>[15079.989330]  [<ffffffff81075ed7>] ? __dequeue_signal+0x117/0x200
>[15079.989346]  [<ffffffffa0070d21>] drm_mode_cursor_ioctl+0x41/0x50 [drm]
>[15079.989356]  [<ffffffffa0061bb2>] drm_ioctl+0x4c2/0x700 [drm]
>[15079.989371]  [<ffffffffa0070ce0>] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm]
>[15079.989375]  [<ffffffff811dbf28>] do_vfs_ioctl+0x2c8/0x4a0
>[15079.989379]  [<ffffffff811c90b7>] ? vfs_read+0x97/0x160
>[15079.989383]  [<ffffffff811dc181>] SyS_ioctl+0x81/0xa0
>[15079.989387]  [<ffffffff811002d6>] ? __audit_syscall_exit+0x236/0x2e0
>[15079.989391]  [<ffffffff8150bfad>] system_call_fastpath+0x1a/0x1f
>[15079.989393] ---[ end trace f8d148fddc1032a3 ]---
>[15086.150511] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[15088.507396] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[15103.484296] [drm:intel_crtc_cursor_set], cursor off
>[15104.227800] [drm:intel_crtc_cursor_set], cursor off
>[15104.267131] [drm:i915_gem_open], 
>[15104.309984] [drm:i915_gem_context_create_ioctl], HW context 1 created
>[15108.541530] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[15110.818879] [drm:intel_panel_get_backlight], get backlight PWM = 356
>[15121.913156] [drm:intel_crtc_cursor_set], cursor off

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