Bug 99902 - [BXT] [IGT] kms_atomic_transition subtest WARNING
Summary: [BXT] [IGT] kms_atomic_transition subtest WARNING
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: unspecified
Hardware: Other All
: medium normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard: ReadyForDev
Keywords:
Depends on:
Blocks:
 
Reported: 2017-02-22 16:05 UTC by Rami
Modified: 2017-08-09 14:31 UTC (History)
1 user (show)

See Also:
i915 platform: BXT
i915 features: display/atomic


Attachments
Log.log (360.56 KB, text/plain)
2017-08-09 14:30 UTC, Ricardo Madrigal
no flags Details
kern.log (2.47 MB, text/plain)
2017-08-09 14:30 UTC, Ricardo Madrigal
no flags Details

Description Rami 2017-02-22 16:05:42 UTC
Some igt subtests cause warning when runing this tests om BXT: 

igt@kms_atomic_transition@1x-modeset-transitions-nonblocking
igt@kms_atomic_transition@1x-modeset-transitions-nonblocking-fencing
igt@kms_atomic_transition@2x-modeset-transitions-nonblocking
igt@kms_atomic_transition@2x-modeset-transitions-nonblocking-fencing

Setup:
BXTP6:
------
Platform BXT-P: APL system
CPU Name : Intel(R) Genuine Processor @ 1.1 GHz (family: 6, model: 12, stepping: 9) 4 cores
QDF : Q6HE
SoC : B1
CRB : Apollo Lake DDR3L RVP1A FAB2
Reworks: R19, R20

Software 
Bios: 144_B10 APLK_B0_IFWI_X64_R_2016_06_27_0956_SPI_RVP1.bin from \\gar\ec\proj\ba\CCG\APL BIOS\External\BIOS_Release\Daily\v144_10_2016_WW27.1\IFWI\IFWI_RVP1_Release\IFWI
KSC: 1.15
Linux distribution: Ubuntu 16.04 64 bits
DMC 1.07
GuC 8.7
kernel:  commit: 0a03ea9496b49746b4964d05cc1f483385d1df8a
         summary: 'drm-tip: 2017y-02m-20d-17h-19m-56s UTC integration manifest'
         author: Chris Wilson <chris@chris-wilson.co.uk>
         authored_date: Mon Feb 20 17:20:19 2017 +0000
intel-gpu-tool: intel-gpu-tools-1.17-242-gf2251a9




Actual result:
==============

IGT-Version: 1.17-gf2251a9 (x86_64) (Linux: 4.10.0-tip-201702210159+ x86_64)
Subtest 1x-modeset-transitions-nonblocking: SUCCESS (10.245s)

dmesg:
====== 	

[ 9697.082597] [drm:intel_dp_set_idle_link_train [i915]] *ERROR* Timed out waiting for DP idle patterns
[ 9698.120656] ------------[ cut here ]------------
[ 9698.120684] WARNING: CPU: 3 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9698.120685] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9698.120686] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9698.120737] CPU: 3 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9698.120738] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9698.120766] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9698.120767] Call Trace:
[ 9698.120774]  dump_stack+0x63/0x87
[ 9698.120778]  __warn+0xd1/0xf0
[ 9698.120780]  warn_slowpath_fmt+0x4f/0x60
[ 9698.120784]  ? drm_printk+0x97/0xa0
[ 9698.120809]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9698.120833]  intel_panel_enable_backlight+0x19/0xf0 [i915]
[ 9698.120857]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9698.120881]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9698.120905]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9698.120930]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9698.120956]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9698.120981]  intel_update_crtc+0x58/0x100 [i915]
[ 9698.121006]  skl_update_crtcs+0x218/0x240 [i915]
[ 9698.121032]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9698.121036]  ? finish_task_switch+0x107/0x250
[ 9698.121061]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9698.121065]  process_one_work+0x153/0x3f0
[ 9698.121066]  worker_thread+0x12b/0x4b0
[ 9698.121069]  kthread+0x101/0x140
[ 9698.121070]  ? rescuer_thread+0x340/0x340
[ 9698.121072]  ? kthread_park+0x90/0x90
[ 9698.121074]  ? do_syscall_64+0x6e/0x180
[ 9698.121077]  ret_from_fork+0x2c/0x40
[ 9698.121097] ---[ end trace dc39daad55943034 ]---
[ 9698.123360] ------------[ cut here ]------------
[ 9698.123402] WARNING: CPU: 3 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9698.123403] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9698.123404] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9698.123454] CPU: 3 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9698.123455] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9698.123482] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9698.123484] Call Trace:
[ 9698.123492]  dump_stack+0x63/0x87
[ 9698.123495]  __warn+0xd1/0xf0
[ 9698.123497]  warn_slowpath_fmt+0x4f/0x60
[ 9698.123523]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9698.123547]  bxt_enable_backlight+0x1b/0x200 [i915]
[ 9698.123571]  intel_panel_enable_backlight+0x76/0xf0 [i915]
[ 9698.123595]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9698.123619]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9698.123643]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9698.123668]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9698.123693]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9698.123719]  intel_update_crtc+0x58/0x100 [i915]
[ 9698.123744]  skl_update_crtcs+0x218/0x240 [i915]
[ 9698.123769]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9698.123774]  ? finish_task_switch+0x107/0x250
[ 9698.123799]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9698.123802]  process_one_work+0x153/0x3f0
[ 9698.123803]  worker_thread+0x12b/0x4b0
[ 9698.123806]  kthread+0x101/0x140
[ 9698.123807]  ? rescuer_thread+0x340/0x340
[ 9698.123809]  ? kthread_park+0x90/0x90
[ 9698.123811]  ? do_syscall_64+0x6e/0x180
[ 9698.123814]  ret_from_fork+0x2c/0x40
[ 9698.123816] ---[ end trace dc39daad55943035 ]---
[ 9699.220492] ------------[ cut here ]------------
[ 9699.220551] WARNING: CPU: 0 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9699.220553] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9699.220555] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9699.220652] CPU: 0 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9699.220654] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9699.220710] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9699.220713] Call Trace:
[ 9699.220724]  dump_stack+0x63/0x87
[ 9699.220730]  __warn+0xd1/0xf0
[ 9699.220735]  warn_slowpath_fmt+0x4f/0x60
[ 9699.220741]  ? drm_printk+0x97/0xa0
[ 9699.220796]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9699.220849]  intel_panel_enable_backlight+0x19/0xf0 [i915]
[ 9699.220902]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9699.220954]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9699.221007]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9699.221062]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9699.221117]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9699.221173]  intel_update_crtc+0x58/0x100 [i915]
[ 9699.221227]  skl_update_crtcs+0x218/0x240 [i915]
[ 9699.221283]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9699.221290]  ? finish_task_switch+0x107/0x250
[ 9699.221345]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9699.221351]  process_one_work+0x153/0x3f0
[ 9699.221354]  worker_thread+0x12b/0x4b0
[ 9699.221358]  kthread+0x101/0x140
[ 9699.221361]  ? rescuer_thread+0x340/0x340
[ 9699.221364]  ? kthread_park+0x90/0x90
[ 9699.221369]  ? do_syscall_64+0x6e/0x180
[ 9699.221373]  ret_from_fork+0x2c/0x40
[ 9699.221409] ---[ end trace dc39daad55943036 ]---
[ 9699.221659] ------------[ cut here ]------------
[ 9699.221719] WARNING: CPU: 0 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9699.221720] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9699.221721] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9699.221791] CPU: 0 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9699.221793] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9699.221848] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9699.221850] Call Trace:
[ 9699.221856]  dump_stack+0x63/0x87
[ 9699.221860]  __warn+0xd1/0xf0
[ 9699.221864]  warn_slowpath_fmt+0x4f/0x60
[ 9699.221920]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9699.221976]  bxt_enable_backlight+0x1b/0x200 [i915]
[ 9699.222035]  intel_panel_enable_backlight+0x76/0xf0 [i915]
[ 9699.222087]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9699.222141]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9699.222196]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9699.222251]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9699.222309]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9699.222367]  intel_update_crtc+0x58/0x100 [i915]
[ 9699.222424]  skl_update_crtcs+0x218/0x240 [i915]
[ 9699.222480]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9699.222489]  ? finish_task_switch+0x107/0x250
[ 9699.222544]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9699.222549]  process_one_work+0x153/0x3f0
[ 9699.222555]  worker_thread+0x12b/0x4b0
[ 9699.222559]  kthread+0x101/0x140
[ 9699.222562]  ? rescuer_thread+0x340/0x340
[ 9699.222565]  ? kthread_park+0x90/0x90
[ 9699.222569]  ? do_syscall_64+0x6e/0x180
[ 9699.222572]  ret_from_fork+0x2c/0x40
[ 9699.222574] ---[ end trace dc39daad55943037 ]---
[ 9700.319766] ------------[ cut here ]------------
[ 9700.319846] WARNING: CPU: 3 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9700.319848] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9700.319851] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9700.319978] CPU: 3 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9700.319981] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9700.320057] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9700.320061] Call Trace:
[ 9700.320074]  dump_stack+0x63/0x87
[ 9700.320082]  __warn+0xd1/0xf0
[ 9700.320087]  warn_slowpath_fmt+0x4f/0x60
[ 9700.320095]  ? drm_printk+0x97/0xa0
[ 9700.320171]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9700.320244]  intel_panel_enable_backlight+0x19/0xf0 [i915]
[ 9700.320316]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9700.320389]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9700.320461]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9700.320537]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9700.320613]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9700.320689]  intel_update_crtc+0x58/0x100 [i915]
[ 9700.320765]  skl_update_crtcs+0x218/0x240 [i915]
[ 9700.320841]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9700.320849]  ? sched_clock+0x9/0x10
[ 9700.320854]  ? sched_clock_cpu+0x72/0xa0
[ 9700.320860]  ? pick_next_task_fair+0x2d1/0x4d0
[ 9700.320866]  ? finish_task_switch+0x107/0x250
[ 9700.320942]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9700.320948]  process_one_work+0x153/0x3f0
[ 9700.320953]  worker_thread+0x12b/0x4b0
[ 9700.320959]  kthread+0x101/0x140
[ 9700.320962]  ? rescuer_thread+0x340/0x340
[ 9700.320967]  ? kthread_park+0x90/0x90
[ 9700.320973]  ? do_syscall_64+0x6e/0x180
[ 9700.320978]  ret_from_fork+0x2c/0x40
[ 9700.321031] ---[ end trace dc39daad55943038 ]---
[ 9700.321708] ------------[ cut here ]------------
[ 9700.321799] WARNING: CPU: 3 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9700.321801] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9700.321803] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9700.321908] CPU: 3 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9700.321910] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9700.321987] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9700.321990] Call Trace:
[ 9700.321998]  dump_stack+0x63/0x87
[ 9700.322005]  __warn+0xd1/0xf0
[ 9700.322010]  warn_slowpath_fmt+0x4f/0x60
[ 9700.322087]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9700.322160]  bxt_enable_backlight+0x1b/0x200 [i915]
[ 9700.322232]  intel_panel_enable_backlight+0x76/0xf0 [i915]
[ 9700.322305]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9700.322382]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9700.322456]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9700.322535]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9700.322611]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9700.322691]  intel_update_crtc+0x58/0x100 [i915]
[ 9700.322769]  skl_update_crtcs+0x218/0x240 [i915]
[ 9700.322848]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9700.322854]  ? sched_clock+0x9/0x10
[ 9700.322862]  ? sched_clock_cpu+0x72/0xa0
[ 9700.322868]  ? pick_next_task_fair+0x2d1/0x4d0
[ 9700.322874]  ? finish_task_switch+0x107/0x250
[ 9700.322950]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9700.322957]  process_one_work+0x153/0x3f0
[ 9700.322964]  worker_thread+0x12b/0x4b0
[ 9700.322970]  kthread+0x101/0x140
[ 9700.322974]  ? rescuer_thread+0x340/0x340
[ 9700.322978]  ? kthread_park+0x90/0x90
[ 9700.322983]  ? do_syscall_64+0x6e/0x180
[ 9700.322987]  ret_from_fork+0x2c/0x40
[ 9700.322991] ---[ end trace dc39daad55943039 ]---
[ 9701.420720] ------------[ cut here ]------------
[ 9701.420771] WARNING: CPU: 0 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9701.420804] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9701.420805] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9701.420891] CPU: 0 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9701.420892] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9701.420944] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9701.420946] Call Trace:
[ 9701.420957]  dump_stack+0x63/0x87
[ 9701.420962]  __warn+0xd1/0xf0
[ 9701.420965]  warn_slowpath_fmt+0x4f/0x60
[ 9701.420971]  ? drm_printk+0x97/0xa0
[ 9701.421018]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9701.421062]  intel_panel_enable_backlight+0x19/0xf0 [i915]
[ 9701.421107]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9701.421151]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9701.421196]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9701.421242]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9701.421289]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9701.421295]  ? default_wake_function+0x12/0x20
[ 9701.421299]  ? autoremove_wake_function+0x12/0x40
[ 9701.421346]  intel_update_crtc+0x58/0x100 [i915]
[ 9701.421392]  skl_update_crtcs+0x218/0x240 [i915]
[ 9701.421439]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9701.421445]  ? sched_clock+0x9/0x10
[ 9701.421448]  ? sched_clock_cpu+0x72/0xa0
[ 9701.421452]  ? pick_next_task_fair+0x2d1/0x4d0
[ 9701.421455]  ? finish_task_switch+0x107/0x250
[ 9701.421502]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9701.421506]  process_one_work+0x153/0x3f0
[ 9701.421509]  worker_thread+0x12b/0x4b0
[ 9701.421512]  kthread+0x101/0x140
[ 9701.421515]  ? rescuer_thread+0x340/0x340
[ 9701.421517]  ? kthread_park+0x90/0x90
[ 9701.421522]  ? do_syscall_64+0x6e/0x180
[ 9701.421525]  ret_from_fork+0x2c/0x40
[ 9701.421528] ---[ end trace dc39daad5594303a ]---
[ 9701.421575] ------------[ cut here ]------------
[ 9701.421623] WARNING: CPU: 0 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9701.421624] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9701.421625] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9701.421684] CPU: 0 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9701.421686] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9701.421732] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9701.421734] Call Trace:
[ 9701.421737]  dump_stack+0x63/0x87
[ 9701.421741]  __warn+0xd1/0xf0
[ 9701.421744]  warn_slowpath_fmt+0x4f/0x60
[ 9701.421748]  ? drm_printk+0x97/0xa0
[ 9701.421795]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9701.421839]  bxt_enable_backlight+0x1b/0x200 [i915]
[ 9701.421884]  intel_panel_enable_backlight+0x76/0xf0 [i915]
[ 9701.421928]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9701.421973]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9701.422017]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9701.422063]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9701.422110]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9701.422114]  ? default_wake_function+0x12/0x20
[ 9701.422117]  ? autoremove_wake_function+0x12/0x40
[ 9701.422164]  intel_update_crtc+0x58/0x100 [i915]
[ 9701.422210]  skl_update_crtcs+0x218/0x240 [i915]
[ 9701.422257]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9701.422260]  ? sched_clock+0x9/0x10
[ 9701.422263]  ? sched_clock_cpu+0x72/0xa0
[ 9701.422266]  ? pick_next_task_fair+0x2d1/0x4d0
[ 9701.422270]  ? finish_task_switch+0x107/0x250
[ 9701.422316]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9701.422319]  process_one_work+0x153/0x3f0
[ 9701.422321]  worker_thread+0x12b/0x4b0
[ 9701.422325]  kthread+0x101/0x140
[ 9701.422327]  ? rescuer_thread+0x340/0x340
[ 9701.422330]  ? kthread_park+0x90/0x90
[ 9701.422333]  ? do_syscall_64+0x6e/0x180
[ 9701.422335]  ret_from_fork+0x2c/0x40
[ 9701.422337] ---[ end trace dc39daad5594303b ]---
[ 9702.520647] ------------[ cut here ]------------
[ 9702.520674] WARNING: CPU: 3 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9702.520675] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9702.520676] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9702.520725] CPU: 3 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9702.520726] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9702.520753] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9702.520754] Call Trace:
[ 9702.520762]  dump_stack+0x63/0x87
[ 9702.520765]  __warn+0xd1/0xf0
[ 9702.520767]  warn_slowpath_fmt+0x4f/0x60
[ 9702.520771]  ? drm_printk+0x97/0xa0
[ 9702.520797]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9702.520828]  intel_panel_enable_backlight+0x19/0xf0 [i915]
[ 9702.520858]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9702.520885]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9702.520914]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9702.520944]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9702.520973]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9702.520981]  ? default_wake_function+0x12/0x20
[ 9702.520987]  ? autoremove_wake_function+0x12/0x40
[ 9702.521015]  intel_update_crtc+0x58/0x100 [i915]
[ 9702.521044]  skl_update_crtcs+0x218/0x240 [i915]
[ 9702.521073]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9702.521079]  ? finish_task_switch+0x107/0x250
[ 9702.521107]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9702.521112]  process_one_work+0x153/0x3f0
[ 9702.521115]  worker_thread+0x12b/0x4b0
[ 9702.521117]  kthread+0x101/0x140
[ 9702.521119]  ? rescuer_thread+0x340/0x340
[ 9702.521120]  ? kthread_park+0x90/0x90
[ 9702.521123]  ? do_syscall_64+0x6e/0x180
[ 9702.521126]  ret_from_fork+0x2c/0x40
[ 9702.521153] ---[ end trace dc39daad5594303c ]---
[ 9702.521180] ------------[ cut here ]------------
[ 9702.521208] WARNING: CPU: 3 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9702.521213] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9702.521217] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9702.521258] CPU: 3 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9702.521259] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9702.521284] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9702.521287] Call Trace:
[ 9702.521290]  dump_stack+0x63/0x87
[ 9702.521292]  __warn+0xd1/0xf0
[ 9702.521294]  warn_slowpath_fmt+0x4f/0x60
[ 9702.521296]  ? drm_printk+0x97/0xa0
[ 9702.521322]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9702.521346]  bxt_enable_backlight+0x1b/0x200 [i915]
[ 9702.521372]  intel_panel_enable_backlight+0x76/0xf0 [i915]
[ 9702.521396]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9702.521422]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9702.521446]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9702.521472]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9702.521498]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9702.521502]  ? default_wake_function+0x12/0x20
[ 9702.521503]  ? autoremove_wake_function+0x12/0x40
[ 9702.521529]  intel_update_crtc+0x58/0x100 [i915]
[ 9702.521554]  skl_update_crtcs+0x218/0x240 [i915]
[ 9702.521581]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9702.521584]  ? finish_task_switch+0x107/0x250
[ 9702.521612]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9702.521614]  process_one_work+0x153/0x3f0
[ 9702.521615]  worker_thread+0x12b/0x4b0
[ 9702.521617]  kthread+0x101/0x140
[ 9702.521618]  ? rescuer_thread+0x340/0x340
[ 9702.521620]  ? kthread_park+0x90/0x90
[ 9702.521621]  ? do_syscall_64+0x6e/0x180
[ 9702.521623]  ret_from_fork+0x2c/0x40
[ 9702.521624] ---[ end trace dc39daad5594303d ]---
[ 9703.620242] ------------[ cut here ]------------
[ 9703.620279] WARNING: CPU: 3 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9703.620280] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9703.620281] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9703.620343] CPU: 3 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9703.620344] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9703.620379] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9703.620381] Call Trace:
[ 9703.620389]  dump_stack+0x63/0x87
[ 9703.620393]  __warn+0xd1/0xf0
[ 9703.620396]  warn_slowpath_fmt+0x4f/0x60
[ 9703.620400]  ? drm_printk+0x97/0xa0
[ 9703.620434]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9703.620467]  intel_panel_enable_backlight+0x19/0xf0 [i915]
[ 9703.620499]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9703.620531]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9703.620564]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9703.620598]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9703.620632]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9703.620636]  ? default_wake_function+0x12/0x20
[ 9703.620639]  ? autoremove_wake_function+0x12/0x40
[ 9703.620673]  intel_update_crtc+0x58/0x100 [i915]
[ 9703.620707]  skl_update_crtcs+0x218/0x240 [i915]
[ 9703.620742]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9703.620745]  ? finish_task_switch+0x107/0x250
[ 9703.620779]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9703.620781]  process_one_work+0x153/0x3f0
[ 9703.620783]  worker_thread+0x12b/0x4b0
[ 9703.620786]  kthread+0x101/0x140
[ 9703.620788]  ? rescuer_thread+0x340/0x340
[ 9703.620790]  ? kthread_park+0x90/0x90
[ 9703.620793]  ? do_syscall_64+0x6e/0x180
[ 9703.620796]  ret_from_fork+0x2c/0x40
[ 9703.620830] ---[ end trace dc39daad5594303e ]---
[ 9703.620869] ------------[ cut here ]------------
[ 9703.620905] WARNING: CPU: 3 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9703.620912] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9703.620913] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9703.620962] CPU: 3 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9703.620964] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9703.620998] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9703.621001] Call Trace:
[ 9703.621006]  dump_stack+0x63/0x87
[ 9703.621010]  __warn+0xd1/0xf0
[ 9703.621012]  warn_slowpath_fmt+0x4f/0x60
[ 9703.621015]  ? drm_printk+0x97/0xa0
[ 9703.621049]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9703.621089]  bxt_enable_backlight+0x1b/0x200 [i915]
[ 9703.621128]  intel_panel_enable_backlight+0x76/0xf0 [i915]
[ 9703.621164]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9703.621201]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9703.621237]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9703.621276]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9703.621314]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9703.621323]  ? default_wake_function+0x12/0x20
[ 9703.621328]  ? autoremove_wake_function+0x12/0x40
[ 9703.621365]  intel_update_crtc+0x58/0x100 [i915]
[ 9703.621404]  skl_update_crtcs+0x218/0x240 [i915]
[ 9703.621443]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9703.621450]  ? finish_task_switch+0x107/0x250
[ 9703.621489]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9703.621495]  process_one_work+0x153/0x3f0
[ 9703.621502]  worker_thread+0x12b/0x4b0
[ 9703.621508]  kthread+0x101/0x140
[ 9703.621515]  ? rescuer_thread+0x340/0x340
[ 9703.621521]  ? kthread_park+0x90/0x90
[ 9703.621529]  ? do_syscall_64+0x6e/0x180
[ 9703.621534]  ret_from_fork+0x2c/0x40
[ 9703.621539] ---[ end trace dc39daad5594303f ]---
[ 9704.720957] ------------[ cut here ]------------
[ 9704.721002] WARNING: CPU: 3 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9704.721005] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9704.721006] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9704.721083] CPU: 3 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9704.721084] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9704.721126] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9704.721128] Call Trace:
[ 9704.721138]  dump_stack+0x63/0x87
[ 9704.721142]  __warn+0xd1/0xf0
[ 9704.721146]  warn_slowpath_fmt+0x4f/0x60
[ 9704.721150]  ? drm_printk+0x97/0xa0
[ 9704.721191]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9704.721230]  intel_panel_enable_backlight+0x19/0xf0 [i915]
[ 9704.721271]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9704.721310]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9704.721350]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9704.721391]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9704.721433]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9704.721438]  ? default_wake_function+0x12/0x20
[ 9704.721443]  ? autoremove_wake_function+0x12/0x40
[ 9704.721484]  intel_update_crtc+0x58/0x100 [i915]
[ 9704.721526]  skl_update_crtcs+0x218/0x240 [i915]
[ 9704.721569]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9704.721573]  ? finish_task_switch+0x107/0x250
[ 9704.721615]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9704.721619]  process_one_work+0x153/0x3f0
[ 9704.721623]  worker_thread+0x12b/0x4b0
[ 9704.721627]  kthread+0x101/0x140
[ 9704.721629]  ? rescuer_thread+0x340/0x340
[ 9704.721631]  ? kthread_park+0x90/0x90
[ 9704.721635]  ? do_syscall_64+0x6e/0x180
[ 9704.721639]  ret_from_fork+0x2c/0x40
[ 9704.721641] ---[ end trace dc39daad55943040 ]---
[ 9704.721683] ------------[ cut here ]------------
[ 9704.721725] WARNING: CPU: 3 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9704.721727] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9704.721728] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9704.721781] CPU: 3 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9704.721783] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9704.721823] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9704.721827] Call Trace:
[ 9704.721830]  dump_stack+0x63/0x87
[ 9704.721833]  __warn+0xd1/0xf0
[ 9704.721836]  warn_slowpath_fmt+0x4f/0x60
[ 9704.721839]  ? drm_printk+0x97/0xa0
[ 9704.721879]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9704.721920]  bxt_enable_backlight+0x1b/0x200 [i915]
[ 9704.721960]  intel_panel_enable_backlight+0x76/0xf0 [i915]
[ 9704.722000]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9704.722044]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9704.722083]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9704.722123]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9704.722163]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9704.722167]  ? default_wake_function+0x12/0x20
[ 9704.722169]  ? autoremove_wake_function+0x12/0x40
[ 9704.722209]  intel_update_crtc+0x58/0x100 [i915]
[ 9704.722250]  skl_update_crtcs+0x218/0x240 [i915]
[ 9704.722290]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9704.722295]  ? finish_task_switch+0x107/0x250
[ 9704.722337]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9704.722340]  process_one_work+0x153/0x3f0
[ 9704.722344]  worker_thread+0x12b/0x4b0
[ 9704.722347]  kthread+0x101/0x140
[ 9704.722349]  ? rescuer_thread+0x340/0x340
[ 9704.722351]  ? kthread_park+0x90/0x90
[ 9704.722354]  ? do_syscall_64+0x6e/0x180
[ 9704.722356]  ret_from_fork+0x2c/0x40
[ 9704.722358] ---[ end trace dc39daad55943041 ]---
[ 9705.818818] ------------[ cut here ]------------
[ 9705.818862] WARNING: CPU: 3 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9705.818863] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9705.818865] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9705.818939] CPU: 3 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9705.818941] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9705.818982] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9705.818985] Call Trace:
[ 9705.818994]  dump_stack+0x63/0x87
[ 9705.818998]  __warn+0xd1/0xf0
[ 9705.819002]  warn_slowpath_fmt+0x4f/0x60
[ 9705.819006]  ? drm_printk+0x97/0xa0
[ 9705.819047]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9705.819085]  intel_panel_enable_backlight+0x19/0xf0 [i915]
[ 9705.819124]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9705.819163]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9705.819201]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9705.819241]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9705.819282]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9705.819288]  ? default_wake_function+0x12/0x20
[ 9705.819291]  ? autoremove_wake_function+0x12/0x40
[ 9705.819332]  intel_update_crtc+0x58/0x100 [i915]
[ 9705.819372]  skl_update_crtcs+0x218/0x240 [i915]
[ 9705.819413]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9705.819416]  ? finish_task_switch+0x107/0x250
[ 9705.819457]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9705.819461]  process_one_work+0x153/0x3f0
[ 9705.819463]  worker_thread+0x12b/0x4b0
[ 9705.819467]  kthread+0x101/0x140
[ 9705.819469]  ? rescuer_thread+0x340/0x340
[ 9705.819471]  ? kthread_park+0x90/0x90
[ 9705.819475]  ? do_syscall_64+0x6e/0x180
[ 9705.819479]  ret_from_fork+0x2c/0x40
[ 9705.819481] ---[ end trace dc39daad55943042 ]---
[ 9705.819522] ------------[ cut here ]------------
[ 9705.819563] WARNING: CPU: 3 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9705.819564] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9705.819565] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9705.819615] CPU: 3 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9705.819616] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9705.819657] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9705.819658] Call Trace:
[ 9705.819661]  dump_stack+0x63/0x87
[ 9705.819664]  __warn+0xd1/0xf0
[ 9705.819667]  warn_slowpath_fmt+0x4f/0x60
[ 9705.819670]  ? drm_printk+0x97/0xa0
[ 9705.819711]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9705.819749]  bxt_enable_backlight+0x1b/0x200 [i915]
[ 9705.819788]  intel_panel_enable_backlight+0x76/0xf0 [i915]
[ 9705.819827]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9705.819865]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9705.819904]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9705.819944]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9705.819984]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9705.819988]  ? default_wake_function+0x12/0x20
[ 9705.819990]  ? autoremove_wake_function+0x12/0x40
[ 9705.820031]  intel_update_crtc+0x58/0x100 [i915]
[ 9705.820071]  skl_update_crtcs+0x218/0x240 [i915]
[ 9705.820111]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9705.820115]  ? finish_task_switch+0x107/0x250
[ 9705.820155]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9705.820157]  process_one_work+0x153/0x3f0
[ 9705.820160]  worker_thread+0x12b/0x4b0
[ 9705.820163]  kthread+0x101/0x140
[ 9705.820164]  ? rescuer_thread+0x340/0x340
[ 9705.820167]  ? kthread_park+0x90/0x90
[ 9705.820169]  ? do_syscall_64+0x6e/0x180
[ 9705.820171]  ret_from_fork+0x2c/0x40
[ 9705.820173] ---[ end trace dc39daad55943043 ]---
[ 9706.919401] ------------[ cut here ]------------
[ 9706.919451] WARNING: CPU: 2 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9706.919453] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9706.919454] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9706.919541] CPU: 2 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9706.919542] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9706.919593] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9706.919595] Call Trace:
[ 9706.919605]  dump_stack+0x63/0x87
[ 9706.919610]  __warn+0xd1/0xf0
[ 9706.919614]  warn_slowpath_fmt+0x4f/0x60
[ 9706.919619]  ? drm_printk+0x97/0xa0
[ 9706.919668]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9706.919712]  intel_panel_enable_backlight+0x19/0xf0 [i915]
[ 9706.919757]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9706.919802]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9706.919846]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9706.919893]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9706.919939]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9706.919945]  ? default_wake_function+0x12/0x20
[ 9706.919949]  ? autoremove_wake_function+0x12/0x40
[ 9706.919995]  intel_update_crtc+0x58/0x100 [i915]
[ 9706.920042]  skl_update_crtcs+0x218/0x240 [i915]
[ 9706.920089]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9706.920095]  ? sched_clock+0x9/0x10
[ 9706.920098]  ? sched_clock_cpu+0x72/0xa0
[ 9706.920102]  ? pick_next_task_fair+0x2d1/0x4d0
[ 9706.920105]  ? finish_task_switch+0x107/0x250
[ 9706.920152]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9706.920157]  process_one_work+0x153/0x3f0
[ 9706.920159]  worker_thread+0x12b/0x4b0
[ 9706.920163]  kthread+0x101/0x140
[ 9706.920165]  ? rescuer_thread+0x340/0x340
[ 9706.920168]  ? kthread_park+0x90/0x90
[ 9706.920172]  ? do_syscall_64+0x6e/0x180
[ 9706.920176]  ret_from_fork+0x2c/0x40
[ 9706.920179] ---[ end trace dc39daad55943044 ]---
[ 9706.920226] ------------[ cut here ]------------
[ 9706.920273] WARNING: CPU: 2 PID: 173 at drivers/gpu/drm/i915/intel_display.c:13947 intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9706.920274] WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex))
[ 9706.920275] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep snd_pcm coretemp kvm_intel kvm irqbypass snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi pcbc snd_seq snd_seq_device snd_timer aesni_intel aes_x86_64 crypto_simd glue_helper cryptd serio_raw snd shpchp soundcore mei_me mei rfkill_gpio mac_hid intel_pmc_ipc parport_pc ppdev lp parport autofs4 hid_generic usbhid i915 ahci sdhci_pci igb sdhci xhci_pci dca xhci_hcd ptp pps_core libahci i2c_hid hid video
[ 9706.920336] CPU: 2 PID: 173 Comm: kworker/u8:2 Tainted: G        W       4.10.0-tip-201702210159+ #2
[ 9706.920338] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0144.B10.1606270006 06/27/2016
[ 9706.920384] Workqueue: events_unbound intel_atomic_commit_work [i915]
[ 9706.920386] Call Trace:
[ 9706.920389]  dump_stack+0x63/0x87
[ 9706.920393]  __warn+0xd1/0xf0
[ 9706.920396]  warn_slowpath_fmt+0x4f/0x60
[ 9706.920400]  ? drm_printk+0x97/0xa0
[ 9706.920447]  intel_get_pipe_from_connector+0x62/0x90 [i915]
[ 9706.920491]  bxt_enable_backlight+0x1b/0x200 [i915]
[ 9706.920535]  intel_panel_enable_backlight+0x76/0xf0 [i915]
[ 9706.920580]  intel_edp_backlight_on.part.23+0x33/0x40 [i915]
[ 9706.920624]  intel_edp_backlight_on+0x15/0x20 [i915]
[ 9706.920669]  intel_enable_ddi+0x71/0xc0 [i915]
[ 9706.920715]  intel_encoders_enable.isra.97+0x77/0x90 [i915]
[ 9706.920762]  haswell_crtc_enable+0x310/0x7f0 [i915]
[ 9706.920766]  ? default_wake_function+0x12/0x20
[ 9706.920769]  ? autoremove_wake_function+0x12/0x40
[ 9706.920815]  intel_update_crtc+0x58/0x100 [i915]
[ 9706.920861]  skl_update_crtcs+0x218/0x240 [i915]
[ 9706.920908]  intel_atomic_commit_tail+0x350/0xfc0 [i915]
[ 9706.920912]  ? sched_clock+0x9/0x10
[ 9706.920914]  ? sched_clock_cpu+0x72/0xa0
[ 9706.920918]  ? pick_next_task_fair+0x2d1/0x4d0
[ 9706.920921]  ? finish_task_switch+0x107/0x250
[ 9706.920968]  intel_atomic_commit_work+0x12/0x20 [i915]
[ 9706.920970]  process_one_work+0x153/0x3f0
[ 9706.920973]  worker_thread+0x12b/0x4b0
[ 9706.920976]  kthread+0x101/0x140
[ 9706.920978]  ? rescuer_thread+0x340/0x340
[ 9706.920981]  ? kthread_park+0x90/0x90
[ 9706.920984]  ? do_syscall_64+0x6e/0x180
[ 9706.920986]  ret_from_fork+0x2c/0x40
[ 9706.921015] ---[ end trace dc39daad55943045 ]---
Comment 1 Rami 2017-03-21 12:57:29 UTC
Reproduced on bxt with last setup:
Setup:
Platform BXT-P: APL system
CPU Name : Intel(R) Genuine Processor @ 1.1 GHz (family: 6, model: 12, stepping: 9) 4 cores
QDF : Q6HE
SoC : B1
CRB : Apollo Lake DDR3L RVP1A FAB2
Reworks: R19, R20

Software 
Bios: 144_B10 APLK_B0_IFWI_X64_R_2016_06_27_0956_SPI_RVP1.bin from \\gar\ec\proj\ba\CCG\APL BIOS\External\BIOS_Release\Daily\v144_10_2016_WW27.1\IFWI\IFWI_RVP1_Release\IFWI
KSC: 1.15
Linux distribution: Ubuntu 16.04 64 bits
DMC 1.07
GuC 8.7
kernel: 'drm-tip: 2017y-03m-12d-13h-00m-05s UTC integration manifest'
   commit: 2cb12884655eab41d4992b33ccb36c609c4537d3
   author: Chris Wilson <chris@chris-wilson.co.uk>
   authored_date: Sun Mar 12 13:00:53 2017 +0000
drm:libdrm-2.4.75-14-g19c4cfc from git://git.freedesktop.org/git/mesa/drm
waffle: debian/1.5.2-3-202-g03d5566
intel-gpu-tool:intel-gpu-tools-1.17-291-g90c883c from https://cgit.freedesktop.org/xorg/app/intel-gpu-tools
Comment 2 Elizabeth 2017-06-27 21:09:39 UTC
Hello Rami,
Is there any update in this case? Thank you.
Comment 3 Ricardo Madrigal 2017-08-09 14:29:48 UTC
The following tests Pass on BXT with latest configuration 

====================================
igt@kms_atomic_transition@1x-modeset-transitions-nonblocking
igt@kms_atomic_transition@1x-modeset-transitions-nonblocking-fencing
igt@kms_atomic_transition@2x-modeset-transitions-nonblocking
igt@kms_atomic_transition@2x-modeset-transitions-nonblocking-fencing

======================================
             Software
======================================
kernel version              : 4.13.0-rc4drm-tip-commit-b7a69d4-kmsbusy-memleak+
hostname                    : BXT-3
architecture                : x86_64
os version                  : Ubuntu 16.10
os codename                 : yakkety
kernel driver               : i915
bios revision               : 5.6
bios release date           : 06/19/2017
ksc                         : 18.0
hardware acceleration       : disabled
swap partition              : enabled on (/dev/sda3)

======================================
        Graphic drivers
======================================
grep: /opt/X11R7/var/log/Xorg.0.log: No such file or directory
libdrm                    : 2.4.70
libva                       : 1.7.1-2
vaapi (intel-driver)        : 1.7.1
cairo                       : 1.14.6-1build1
intel-gpu-tools             : 1.16-1

======================================
             Hardware
======================================
motherboard model          : NUC6CAYS
motherboard id             : NUC6CAYB
form factor                : Desktop
manufacturer               : Intelcorporation
cpu family                 : Celeron
cpu family id              : 6
cpu information            : Intel(R) Celeron(R) CPU J3455 @ 1.50GHz
gpu card                   : Intel Corporation Device 5a85 (rev 0b) (prog-if 00 [VGA controller])
memory ram                 : 15.54 GB
max memory ram             : 32 GB
cpu thread                 : 4
cpu core                   : 4
cpu model                  : 92
cpu stepping               : 9
socket                     : Other
signature                  : Type 0, Family 6, Model 92, Stepping 9
hard drive                 : 279GiB (300GB)
current cd clock frequency : 288000 kHz
maximum cd clock frequency : 624000 kHz
displays connected         : DP-1 DP-2


Adding log of tests and kern.log
Comment 4 Ricardo Madrigal 2017-08-09 14:30:26 UTC
Created attachment 133405 [details]
Log.log
Comment 5 Ricardo Madrigal 2017-08-09 14:30:49 UTC
Created attachment 133406 [details]
kern.log


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