This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1777863 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Tags added: bionic -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. 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: Incomplete 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 -- To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1777863/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp