apport information

** Attachment added: "WifiSyslog.txt"
   
https://bugs.launchpad.net/bugs/1777863/+attachment/5212980/+files/WifiSyslog.txt

** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1777863

Title:
  [drm:intel_wait_ddi_buf_idle [i915]] *ERROR* Timeout waiting for DDI
  BUF C idle bit

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  System reboot. This could be related to putting the NB back into the docking 
station.
  Search for ------------[ cut here ]------------ to find the final error 
message before reboot.

  Linux mymachine4 4.15.0-23-generic #25-Ubuntu SMP Wed May 23 18:02:16
  UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

  
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Using vrefresh ranges from config file
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Printing DDC gathered Modelines:
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1920x1080"x0.0  148.50  1920 2008 2052 2200  1080 1084 1089 1125 
+hsync +vsync (67.5 kHz eP)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "800x600"x0.0   40.00  800 840 968 1056  600 601 605 628 +hsync +vsync 
(37.9 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "640x480"x0.0   31.50  640 656 720 840  480 481 484 500 -hsync -vsync 
(37.5 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "640x480"x0.0   25.18  640 656 752 800  480 490 492 525 -hsync -vsync 
(31.5 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "720x400"x0.0   28.32  720 738 846 900  400 412 414 449 -hsync +vsync 
(31.5 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1280x1024"x0.0  135.00  1280 1296 1440 1688  1024 1025 1028 1066 
+hsync +vsync (80.0 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1024x768"x0.0   78.75  1024 1040 1136 1312  768 769 772 800 +hsync 
+vsync (60.0 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1024x768"x0.0   65.00  1024 1048 1184 1344  768 771 777 806 -hsync 
-vsync (48.4 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "800x600"x0.0   49.50  800 816 896 1056  600 601 604 625 +hsync +vsync 
(46.9 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1152x864"x0.0  108.00  1152 1216 1344 1600  864 865 868 900 +hsync 
+vsync (67.5 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1280x1024"x0.0  108.00  1280 1328 1440 1688  1024 1025 1028 1066 
+hsync +vsync (64.0 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1600x900"x60.0  119.00  1600 1696 1864 2128  900 901 904 932 -hsync 
+vsync (55.9 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1920x1080"x60.0  172.80  1920 2040 2248 2576  1080 1081 1084 1118 
-hsync +vsync (67.1 kHz e)
  Jun 20 12:05:18 mymachine kernel: [drm:intel_wait_ddi_buf_idle [i915]] 
*ERROR* Timeout waiting for DDI BUF C idle bit
  Jun 20 12:05:18 mymachine kernel: ------------[ cut here ]------------
  Jun 20 12:05:18 mymachine kernel: vblank wait timed out on crtc 2
  Jun 20 12:05:18 mymachine kernel: WARNING: CPU: 2 PID: 4445 at 
/build/linux-uT8zSN/linux-4.15.0/drivers/gpu/drm/drm_vblank.c:1073 
drm_wait_one_vblank+0x181/0x190 [drm]
  Jun 20 12:05:18 mymachine kernel: Modules linked in: msr rfcomm ccm veth 
nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo br_netfilter bridge stp llc 
overlay thunderbolt cmac bnep btusb btrtl btbcm uvcvideo 
  Jun 20 12:05:18 mymachine kernel:  intel_cstate mac80211 intel_rapl_perf 
snd_compress ac97_bus snd_pcm_dmaengine snd_seq_midi snd_seq_midi_event 
snd_hda_intel snd_rawmidi snd_hda_codec snd_hda_core snd_hwdep i
  Jun 20 12:05:18 mymachine kernel:  pps_core drm nvme_core wmi video
  Jun 20 12:05:18 mymachine kernel: CPU: 2 PID: 4445 Comm: Xorg Tainted: G      
  W        4.15.0-23-generic #25-Ubuntu
  Jun 20 12:05:18 mymachine kernel: Hardware name: LENOVO 
20HGS30X00/20HGS30X00, BIOS N1WET34W (1.13 ) 06/26/2017
  Jun 20 12:05:18 mymachine kernel: RIP: 0010:drm_wait_one_vblank+0x181/0x190 
[drm]
  Jun 20 12:05:18 mymachine kernel: RSP: 0018:ffffa32ac3b83a68 EFLAGS: 00010282
  Jun 20 12:05:18 mymachine kernel: RAX: 0000000000000000 RBX: ffff8c5175a38000 
RCX: 0000000000000006
  Jun 20 12:05:18 mymachine kernel: RDX: 0000000000000007 RSI: 0000000000000096 
RDI: ffff8c519e516490
  Jun 20 12:05:18 mymachine kernel: RBP: ffffa32ac3b83ac0 R08: 0000000000000001 
R09: 00000000000006aa
  Jun 20 12:05:18 mymachine kernel: R10: 0000000000000000 R11: 0000000000000000 
R12: 0000000000000002
  Jun 20 12:05:18 mymachine kernel: R13: 0000000000000000 R14: 000000000009d1f6 
R15: ffff8c51766a72c8
  Jun 20 12:05:18 mymachine kernel: FS:  00007f7db8fda600(0000) 
GS:ffff8c519e500000(0000) knlGS:0000000000000000
  Jun 20 12:05:18 mymachine kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
  Jun 20 12:05:18 mymachine kernel: CR2: 00007f1ce8952620 CR3: 0000000634114001 
CR4: 00000000003606e0
  Jun 20 12:05:18 mymachine kernel: DR0: 0000000000000000 DR1: 0000000000000000 
DR2: 0000000000000000
  Jun 20 12:05:18 mymachine kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 
DR7: 0000000000000400
  Jun 20 12:05:18 mymachine kernel: Call Trace:
  Jun 20 12:05:18 mymachine kernel:  ? wait_woken+0x80/0x80
  Jun 20 12:05:18 mymachine kernel:  skl_update_crtcs+0x1b9/0x270 [i915]
  Jun 20 12:05:18 mymachine kernel:  intel_atomic_commit_tail+0x228/0xd30 [i915]
  Jun 20 12:05:18 mymachine kernel:  intel_atomic_commit+0x277/0x2b0 [i915]
  Jun 20 12:05:18 mymachine kernel:  drm_atomic_commit+0x51/0x60 [drm]
  Jun 20 12:05:18 mymachine kernel:  
drm_atomic_connector_commit_dpms+0xef/0x100 [drm]
  Jun 20 12:05:18 mymachine kernel:  
drm_mode_obj_set_property_ioctl+0x176/0x280 [drm]
  Jun 20 12:05:18 mymachine kernel:  ? 
drm_mode_connector_set_obj_prop+0x80/0x80 [drm]
  Jun 20 12:05:18 mymachine kernel:  
drm_mode_connector_property_set_ioctl+0x3f/0x60 [drm]
  Jun 20 12:05:18 mymachine kernel:  drm_ioctl_kernel+0x5f/0xb0 [drm]
  Jun 20 12:05:18 mymachine kernel:  drm_ioctl+0x31b/0x3d0 [drm]
  Jun 20 12:05:18 mymachine kernel:  ? 
drm_mode_connector_set_obj_prop+0x80/0x80 [drm]
  Jun 20 12:05:18 mymachine kernel:  ? __set_current_blocked+0x42/0x70
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1152x864"x0.0  108.00  1152 1216 1344 1600  864 865 868 900 +hsync 
+vsync (67.5 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1280x1024"x0.0  108.00  1280 1328 1440 1688  1024 1025 1028 1066 
+hsync +vsync (64.0 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1600x900"x60.0  119.00  1600 1696 1864 2128  900 901 904 932 -hsync 
+vsync (55.9 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1920x1080"x60.0  172.80  1920 2040 2248 2576  1080 1081 1084 1118 
-hsync +vsync (67.1 kHz e)
  Jun 20 12:05:18 mymachine kernel: [drm:intel_wait_ddi_buf_idle [i915]] 
*ERROR* Timeout waiting for DDI BUF C idle bit
  Jun 20 12:05:18 mymachine kernel: ------------[ cut here ]------------
  Jun 20 12:05:18 mymachine kernel: vblank wait timed out on crtc 2
  Jun 20 12:05:18 mymachine kernel: WARNING: CPU: 2 PID: 4445 at 
/build/linux-uT8zSN/linux-4.15.0/drivers/gpu/drm/drm_vblank.c:1073 
drm_wait_one_vblank+0x181/0x190 [drm]
  Jun 20 12:05:18 mymachine kernel: Modules linked in: msr rfcomm ccm veth 
nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo br_netfilter bridge stp llc 
overlay thunderbolt cmac bnep btusb btrtl btbcm uvcvideo 
  Jun 20 12:05:18 mymachine kernel:  intel_cstate mac80211 intel_rapl_perf 
snd_compress ac97_bus snd_pcm_dmaengine snd_seq_midi snd_seq_midi_event 
snd_hda_intel snd_rawmidi snd_hda_codec snd_hda_core snd_hwdep i
  Jun 20 12:05:18 mymachine kernel:  pps_core drm nvme_core wmi video
  Jun 20 12:05:18 mymachine kernel: CPU: 2 PID: 4445 Comm: Xorg Tainted: G      
  W        4.15.0-23-generic #25-Ubuntu
  Jun 20 12:05:18 mymachine kernel: Hardware name: LENOVO 
20HGS30X00/20HGS30X00, BIOS N1WET34W (1.13 ) 06/26/2017
  Jun 20 12:05:18 mymachine kernel: RIP: 0010:drm_wait_one_vblank+0x181/0x190 
[drm]
  Jun 20 12:05:18 mymachine kernel: RSP: 0018:ffffa32ac3b83a68 EFLAGS: 00010282
  Jun 20 12:05:18 mymachine kernel: RAX: 0000000000000000 RBX: ffff8c5175a38000 
RCX: 0000000000000006
  Jun 20 12:05:18 mymachine kernel: RDX: 0000000000000007 RSI: 0000000000000096 
RDI: ffff8c519e516490
  Jun 20 12:05:18 mymachine kernel: RBP: ffffa32ac3b83ac0 R08: 0000000000000001 
R09: 00000000000006aa
  Jun 20 12:05:18 mymachine kernel: R10: 0000000000000000 R11: 0000000000000000 
R12: 0000000000000002
  Jun 20 12:05:18 mymachine kernel: R13: 0000000000000000 R14: 000000000009d1f6 
R15: ffff8c51766a72c8
  Jun 20 12:05:18 mymachine kernel: FS:  00007f7db8fda600(0000) 
GS:ffff8c519e500000(0000) knlGS:0000000000000000
  Jun 20 12:05:18 mymachine kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
  Jun 20 12:05:18 mymachine kernel: CR2: 00007f1ce8952620 CR3: 0000000634114001 
CR4: 00000000003606e0
  Jun 20 12:05:18 mymachine kernel: DR0: 0000000000000000 DR1: 0000000000000000 
DR2: 0000000000000000
  Jun 20 12:05:18 mymachine kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 
DR7: 0000000000000400
  Jun 20 12:05:18 mymachine kernel: Call Trace:
  Jun 20 12:05:18 mymachine kernel:  ? wait_woken+0x80/0x80
  Jun 20 12:05:18 mymachine kernel:  skl_update_crtcs+0x1b9/0x270 [i915]
  Jun 20 12:05:18 mymachine kernel:  intel_atomic_commit_tail+0x228/0xd30 [i915]
  Jun 20 12:05:18 mymachine kernel:  intel_atomic_commit+0x277/0x2b0 [i915]
  Jun 20 12:05:18 mymachine kernel:  drm_atomic_commit+0x51/0x60 [drm]
  Jun 20 12:05:18 mymachine kernel:  
drm_atomic_connector_commit_dpms+0xef/0x100 [drm]
  Jun 20 12:05:18 mymachine kernel:  
drm_mode_obj_set_property_ioctl+0x176/0x280 [drm]
  Jun 20 12:05:18 mymachine kernel:  ? 
drm_mode_connector_set_obj_prop+0x80/0x80 [drm]
  Jun 20 12:05:18 mymachine kernel:  
drm_mode_connector_property_set_ioctl+0x3f/0x60 [drm]
  Jun 20 12:05:18 mymachine kernel:  drm_ioctl_kernel+0x5f/0xb0 [drm]
  Jun 20 12:05:18 mymachine kernel:  drm_ioctl+0x31b/0x3d0 [drm]
  Jun 20 12:05:18 mymachine kernel:  ? 
drm_mode_connector_set_obj_prop+0x80/0x80 [drm]
  Jun 20 12:05:18 mymachine kernel:  ? __set_current_blocked+0x42/0x70
  Jun 20 12:05:18 mymachine kernel:  ? __fpu__restore_sig+0x96/0x480
  Jun 20 12:05:18 mymachine kernel:  do_vfs_ioctl+0xa8/0x630
  Jun 20 12:05:18 mymachine kernel:  ? recalc_sigpending+0x1b/0x50
  Jun 20 12:05:18 mymachine kernel:  ? _copy_from_user+0x3e/0x60
  Jun 20 12:05:18 mymachine kernel:  SyS_ioctl+0x79/0x90
  Jun 20 12:05:18 mymachine kernel:  do_syscall_64+0x73/0x130
  Jun 20 12:05:18 mymachine kernel:  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
  Jun 20 12:05:18 mymachine kernel: RIP: 0033:0x7f7db63d85d7
  Jun 20 12:05:18 mymachine kernel: RSP: 002b:00007ffce0cabb28 EFLAGS: 00000246 
ORIG_RAX: 0000000000000010
  Jun 20 12:05:18 mymachine kernel: RAX: ffffffffffffffda RBX: 0000000000000003 
RCX: 00007f7db63d85d7
  Jun 20 12:05:18 mymachine kernel: RDX: 00007ffce0cabb60 RSI: 00000000c01064ab 
RDI: 000000000000000c
  lines 3281130-3281179/3284685 100%
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1152x864"x0.0  108.00  1152 
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1280x1024"x0.0  108.00  1280
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1600x900"x60.0  119.00  1600
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1920x1080"x60.0  172.80  192
  Jun 20 12:05:18 mymachine kernel: [drm:intel_wait_ddi_buf_idle [i915]] 
*ERROR* Timeout waiting for DDI BUF C idle bi
  Jun 20 12:05:18 mymachine kernel: ------------[ cut here ]------------
  Jun 20 12:05:18 mymachine kernel: vblank wait timed out on crtc 2
  Jun 20 12:05:18 mymachine kernel: WARNING: CPU: 2 PID: 4445 at 
/build/linux-uT8zSN/linux-4.15.0/drivers/gpu/drm/drm_
  Jun 20 12:05:18 mymachine kernel: Modules linked in: msr rfcomm ccm veth 
nf_conntrack_netlink nfnetlink xfrm_user xf
  Jun 20 12:05:18 mymachine kernel:  intel_cstate mac80211 intel_rapl_perf 
snd_compress ac97_bus snd_pcm_dmaengine snd
  Jun 20 12:05:18 mymachine kernel:  pps_core drm nvme_core wmi video
  Jun 20 12:05:18 mymachine kernel: CPU: 2 PID: 4445 Comm: Xorg Tainted: G      
  W        4.15.0-23-generic #25-Ubunt
  Jun 20 12:05:18 mymachine kernel: Hardware name: LENOVO 
20HGS30X00/20HGS30X00, BIOS N1WET34W (1.13 ) 06/26/2017
  Jun 20 12:05:18 mymachine kernel: RIP: 0010:drm_wait_one_vblank+0x181/0x190 
[drm]
  Jun 20 12:05:18 mymachine kernel: RSP: 0018:ffffa32ac3b83a68 EFLAGS: 00010282
  Jun 20 12:05:18 mymachine kernel: RAX: 0000000000000000 RBX: ffff8c5175a38000 
RCX: 0000000000000006
  Jun 20 12:05:18 mymachine kernel: RDX: 0000000000000007 RSI: 0000000000000096 
RDI: ffff8c519e516490
  Jun 20 12:05:18 mymachine kernel: RBP: ffffa32ac3b83ac0 R08: 0000000000000001 
R09: 00000000000006aa
  Jun 20 12:05:18 mymachine kernel: R10: 0000000000000000 R11: 0000000000000000 
R12: 0000000000000002
  Jun 20 12:05:18 mymachine kernel: R13: 0000000000000000 R14: 000000000009d1f6 
R15: ffff8c51766a72c8
  Jun 20 12:05:18 mymachine kernel: FS:  00007f7db8fda600(0000) 
GS:ffff8c519e500000(0000) knlGS:0000000000000000
  Jun 20 12:05:18 mymachine kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
  Jun 20 12:05:18 mymachine kernel: CR2: 00007f1ce8952620 CR3: 0000000634114001 
CR4: 00000000003606e0
  lines 3281130-3281152/3284685 100%
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1152x864"x0.0  108.00  1152 1216 1344 1600  864 865 868 900 +hsync 
+vsync (67.5 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1280x1024"x0.0  108.00  1280 1328 1440 1688  1024 1025 1028 1066 
+hsync +vsync (64.0 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1600x900"x60.0  119.00  1600 1696 1864 2128  900 901 904 932 -hsync 
+vsync (55.9 kHz e)
  Jun 20 12:05:00 mymachine /usr/lib/gdm3/gdm-x-session[4443]: (II) modeset(0): 
Modeline "1920x1080"x60.0  172.80  1920 2040 2248 2576  1080 1081 1084 1118 
-hsync +vsync (67.1 kHz e)
  Jun 20 12:05:18 mymachine kernel: [drm:intel_wait_ddi_buf_idle [i915]] 
*ERROR* Timeout waiting for DDI BUF C idle bit
  Jun 20 12:05:18 mymachine kernel: ------------[ cut here ]------------
  Jun 20 12:05:18 mymachine kernel: vblank wait timed out on crtc 2
  Jun 20 12:05:18 mymachine kernel: WARNING: CPU: 2 PID: 4445 at 
/build/linux-uT8zSN/linux-4.15.0/drivers/gpu/drm/drm_vblank.c:1073 
drm_wait_one_vblank+0x181/0x190 [drm]
  Jun 20 12:05:18 mymachine kernel: Modules linked in: msr rfcomm ccm veth 
nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo br_netfilter bridge stp llc 
overlay thunderbolt cmac bnep btusb btrtl btbcm uvcvideo 
  Jun 20 12:05:18 mymachine kernel:  intel_cstate mac80211 intel_rapl_perf 
snd_compress ac97_bus snd_pcm_dmaengine snd_seq_midi snd_seq_midi_event 
snd_hda_intel snd_rawmidi snd_hda_codec snd_hda_core snd_hwdep i
  Jun 20 12:05:18 mymachine kernel:  pps_core drm nvme_core wmi video
  Jun 20 12:05:18 mymachine kernel: CPU: 2 PID: 4445 Comm: Xorg Tainted: G      
  W        4.15.0-23-generic #25-Ubuntu
  Jun 20 12:05:18 mymachine kernel: Hardware name: LENOVO 
20HGS30X00/20HGS30X00, BIOS N1WET34W (1.13 ) 06/26/2017
  Jun 20 12:05:18 mymachine kernel: RIP: 0010:drm_wait_one_vblank+0x181/0x190 
[drm]
  Jun 20 12:05:18 mymachine kernel: RSP: 0018:ffffa32ac3b83a68 EFLAGS: 00010282
  Jun 20 12:05:18 mymachine kernel: RAX: 0000000000000000 RBX: ffff8c5175a38000 
RCX: 0000000000000006
  Jun 20 12:05:18 mymachine kernel: RDX: 0000000000000007 RSI: 0000000000000096 
RDI: ffff8c519e516490
  Jun 20 12:05:18 mymachine kernel: RBP: ffffa32ac3b83ac0 R08: 0000000000000001 
R09: 00000000000006aa
  Jun 20 12:05:18 mymachine kernel: R10: 0000000000000000 R11: 0000000000000000 
R12: 0000000000000002
  Jun 20 12:05:18 mymachine kernel: R13: 0000000000000000 R14: 000000000009d1f6 
R15: ffff8c51766a72c8
  Jun 20 12:05:18 mymachine kernel: FS:  00007f7db8fda600(0000) 
GS:ffff8c519e500000(0000) knlGS:0000000000000000
  Jun 20 12:05:18 mymachine kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
  Jun 20 12:05:18 mymachine kernel: CR2: 00007f1ce8952620 CR3: 0000000634114001 
CR4: 00000000003606e0
  Jun 20 12:05:18 mymachine kernel: DR0: 0000000000000000 DR1: 0000000000000000 
DR2: 0000000000000000
  Jun 20 12:05:18 mymachine kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 
DR7: 0000000000000400
  Jun 20 12:05:18 mymachine kernel: Call Trace:
  Jun 20 12:05:18 mymachine kernel:  ? wait_woken+0x80/0x80
  Jun 20 12:05:18 mymachine kernel:  skl_update_crtcs+0x1b9/0x270 [i915]
  Jun 20 12:05:18 mymachine kernel:  intel_atomic_commit_tail+0x228/0xd30 [i915]
  Jun 20 12:05:18 mymachine kernel:  intel_atomic_commit+0x277/0x2b0 [i915]
  Jun 20 12:05:18 mymachine kernel:  drm_atomic_commit+0x51/0x60 [drm]
  Jun 20 12:05:18 mymachine kernel:  
drm_atomic_connector_commit_dpms+0xef/0x100 [drm]
  Jun 20 12:05:18 mymachine kernel:  
drm_mode_obj_set_property_ioctl+0x176/0x280 [drm]
  Jun 20 12:05:18 mymachine kernel:  ? 
drm_mode_connector_set_obj_prop+0x80/0x80 [drm]
  Jun 20 12:05:18 mymachine kernel:  
drm_mode_connector_property_set_ioctl+0x3f/0x60 [drm]
  Jun 20 12:05:18 mymachine kernel:  drm_ioctl_kernel+0x5f/0xb0 [drm]
  Jun 20 12:05:18 mymachine kernel:  drm_ioctl+0x31b/0x3d0 [drm]
  Jun 20 12:05:18 mymachine kernel:  ? 
drm_mode_connector_set_obj_prop+0x80/0x80 [drm]
  Jun 20 12:05:18 mymachine kernel:  ? __set_current_blocked+0x42/0x70
  Jun 20 12:05:18 mymachine kernel:  ? __fpu__restore_sig+0x96/0x480
  Jun 20 12:05:18 mymachine kernel:  do_vfs_ioctl+0xa8/0x630
  Jun 20 12:05:18 mymachine kernel:  ? recalc_sigpending+0x1b/0x50
  Jun 20 12:05:18 mymachine kernel:  ? _copy_from_user+0x3e/0x60
  Jun 20 12:05:18 mymachine kernel:  SyS_ioctl+0x79/0x90
  Jun 20 12:05:18 mymachine kernel:  do_syscall_64+0x73/0x130
  Jun 20 12:05:18 mymachine kernel:  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
  Jun 20 12:05:18 mymachine kernel: RIP: 0033:0x7f7db63d85d7
  Jun 20 12:05:18 mymachine kernel: RSP: 002b:00007ffce0cabb28 EFLAGS: 00000246 
ORIG_RAX: 0000000000000010
  Jun 20 12:05:18 mymachine kernel: RAX: ffffffffffffffda RBX: 0000000000000003 
RCX: 00007f7db63d85d7
  Jun 20 12:05:18 mymachine kernel: RDX: 00007ffce0cabb60 RSI: 00000000c01064ab 
RDI: 000000000000000c
  Jun 20 12:05:18 mymachine kernel: RBP: 00007ffce0cabb60 R08: 00005650b5192e80 
R09: 0000000000000000
  Jun 20 12:05:18 mymachine kernel: R10: 0000000000000000 R11: 0000000000000246 
R12: 00000000c01064ab
  Jun 20 12:05:18 mymachine kernel: R13: 000000000000000c R14: 00005650b5015dd0 
R15: 00005650b4020700
  Jun 20 12:05:18 mymachine kernel: Code: ff ff e8 13 44 35 e5 48 8d 75 a8 4c 
89 ff e8 67 a5 39 e5 45 85 ed 0f 85 ff fe ff ff 44 89 e6 48 c7 c7 10 74 15 c0 
e8 4f 41 35 e5 <0f> 0b e9 e9 fe ff ff 0f 1f 84 00 00 00
  Jun 20 12:05:18 mymachine kernel: ---[ end trace 9dbd55674dcbb694 ]---
  Jun 20 12:05:28 mymachine kernel: [drm:drm_atomic_helper_wait_for_flip_done 
[drm_kms_helper]] *ERROR* [CRTC:57:pipe C] flip_done timed out
  -- Reboot --

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