[Intel-gfx] Kernel 5.2 to current: possible i915 related problems

Tue Mar 31 16:45:34 UTC 2020

On Mon, 30 Mar 2020, Dirk Gouders <dirk at gouders.net> wrote:
> Dirk Gouders <dirk at gouders.net> writes:
>
>> Some additional information:
>>
>> I tried to get more information by using netconsole with kernel
>> 5.6.0-rc7+.  After some time, the system stopped to respond and I
>> checked the messages sent to the remote machine.  Unfortunately they
>> gave no other information than the local logfile.
>>
>> Dirk
>>
>> Dirk Gouders <dirk at gouders.net> writes:
>>
>>> Hello,
>>>
>>> because of the current pandemic situation the usage of my laptop has
>>> changed.  It is now running at home 24/7 with a monitor attached to it
>>> and after about 12 days running a somewhat older kernel (5.2), it
>>> stopped working.
>>>
>>> After a reboot I found some information in the syslog that I attach to
>>> this mail.  The next hang happened one day later but without any
>>> information.
>>>
>>> With a current 5.6.0-rc7+ I seem to get more frequent hangs but without any
>>> information in the log file and somewhat non-reproducable.  Today, I
>>> experienced two hangs when starting xterms or other programs but after
>>> this (and necessary reboots) I am unable to reproduce a hang.
>>>
>>> Perhaps, someone has suggestion for me how to produce debugging
>>> information that survives the hangs and reboots.
>>>
>
> This time, I have some information from a hang with the current kernel
> 5.6.0-rc7+ that obviously could be written to the logfile while the
> system was starting to get problems.  A minute later or so, it
> completely stopped to respond and a hard reset was necessary:
>
> Mar 30 10:37:52 lena kernel: i915 0000:00:02.0: GPU HANG: ecode 8:1:85dffff9, in X [4278]
> Mar 30 10:37:52 lena kernel: GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
> Mar 30 10:37:52 lena kernel: Please file a _new_ bug report at https://gitlab.freedesktop.org/drm/intel/issues/new.
> Mar 30 10:37:52 lena kernel: Please see https://gitlab.freedesktop.org/drm/intel/-/wikis/How-to-file-i915-bugs for details.
> Mar 30 10:37:52 lena kernel: drm/i915 developers can then reassign to the right component if it's not a kernel issue.
> Mar 30 10:37:52 lena kernel: The GPU crash dump is required to analyze GPU hangs, so please always attach it.
> Mar 30 10:37:52 lena kernel: GPU crash dump saved to /sys/class/drm/card0/error
> Mar 30 10:37:52 lena kernel: i915 0000:00:02.0: Resetting rcs0 for stopped heartbeat on rcs0
> Mar 30 10:37:52 lena kernel: i915 0000:00:02.0: X[4278] context reset due to GPU hang
>
> Adding the i915 maintainers because I doubt the data in
> /sys/class/drm/card0/error is useful after a reboot.  Should I file a
> bug report as suggested above, anyway?

Please do.

BR,
Jani.

>
> Dirk
>
>>>
>>> ------------------------------------------------------------------------
>>> Mar 27 19:36:51 lena kernel: [drm:intel_cpu_fifo_underrun_irq_handler
>>> [i915]] *ERROR* CPU pipe B FIFO underrun
>>> Mar 27 21:45:19 lena kernel: usb 1-1: USB disconnect, device number 15
>>> Mar 27 21:45:19 lena kernel: sd 2:0:0:0: [sdb] Synchronizing SCSI cache
>>> Mar 27 21:45:19 lena kernel: sd 2:0:0:0: [sdb] Synchronize Cache(10)
>>> failed: Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
>>> Mar 27 22:00:53 lena kernel: [drm:intel_cpu_fifo_underrun_irq_handler
>>> [i915]] *ERROR* CPU pipe B FIFO underrun
>>> Mar 27 23:46:13 lena kernel: ------------[ cut here ]------------
>>> Mar 27 23:46:13 lena kernel: vblank wait timed out on crtc 1
>>> Mar 27 23:46:13 lena kernel: WARNING: CPU: 0 PID: 4221 at drm_wait_one_vblank+0xfa/0x12a [drm]
>>> Mar 27 23:46:13 lena kernel: Modules linked in: usblp uas usb_storage
>>> uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2
>>> videobuf2_common snd_hda_codec
>>> _hdmi snd_hda_codec_realtek snd_hda_codec_generic crc32_pclmul
>>> crc32c_intel ghash_clmulni_intel i915 aesni_intel drm_kms_helper
>>> cfbfillrect crypto_simd glue_he
>>> lper syscopyarea cfbimgblt sysfillrect sysimgblt snd_hda_intel
>>> fb_sys_fops cfbcopyarea snd_hda_codec sdhci_acpi drm xhci_pci
>>> snd_hwdep sdhci drm_panel_orientat
>>> ion_quirks snd_hda_core intel_gtt mmc_core xhci_hcd iosf_mbi
>>> Mar 27 23:46:13 lena kernel: CPU: 0 PID: 4221 Comm: X Not tainted 5.2.0+ #44
>>> Mar 27 23:46:13 lena kernel: Hardware name: Acer Aspire ES1-131/Garp_BA, BIOS V1.23 06/22/2016
>>> Mar 27 23:46:13 lena kernel: RIP: 0010:drm_wait_one_vblank+0xfa/0x12a [drm]
>>> Mar 27 23:46:13 lena kernel: Code: 89 e7 e8 31 eb 74 e1 49 89 c4 eb bf
>>> 48 89 e6 4c 89 f7 e8 d5 b5 ff e0 45 85 e4 75 10 89 de 48 c7 c7 cf de
>>> 0d a0 e8 2e bd fc e
>>> 0 <0f> 0b 89 de 48 89 ef e8 82 fe ff ff 48 8b 44 24 28 65 48 33 04 25
>>> Mar 27 23:46:13 lena kernel: RSP: 0018:ffffc90000e73ac0 EFLAGS: 00010296
>>> Mar 27 23:46:13 lena kernel: RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000007
>>> Mar 27 23:46:13 lena kernel: RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff888277a163a0
>>> Mar 27 23:46:13 lena kernel: RBP: ffff888271b40000 R08: 0000000000000306 R09: 0000000000000001
>>> Mar 27 23:46:13 lena kernel: R10: ffffc90000e739d0 R11: 000597d6da905e00 R12: 0000000000000000
>>> Mar 27 23:46:13 lena kernel: R13: 0000000000bd6280 R14: ffff8882765eb160 R15: 0000000000000001
>>> Mar 27 23:46:13 lena kernel: FS:  00007f6d744bd200(0000) GS:ffff888277a00000(0000) knlGS:0000000000000000
>>> Mar 27 23:46:13 lena kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>>> Mar 27 23:46:13 lena kernel: CR2: 00007f6d6f20d000 CR3: 0000000268a70000 CR4: 00000000001006f0
>>> Mar 27 23:46:13 lena kernel: Call Trace:
>>> Mar 27 23:46:13 lena kernel: ? wait_woken+0x68/0x68
>>> Mar 27 23:46:13 lena kernel: intel_pre_plane_update+0x165/0x1ea [i915]
>>> Mar 27 23:46:13 lena kernel: intel_atomic_commit_tail+0xcb/0xf10 [i915]
>>> Mar 27 23:46:13 lena kernel: ? flush_workqueue+0x2ab/0x2d4
>>> Mar 27 23:46:13 lena kernel: intel_atomic_commit+0x23a/0x248 [i915]
>>> Mar 27 23:46:13 lena kernel: drm_atomic_connector_commit_dpms+0xc0/0xda [drm]
>>> Mar 27 23:46:13 lena kernel: drm_mode_obj_set_property_ioctl+0x133/0x241 [drm]
>>> Mar 27 23:46:13 lena kernel: ? drm_connector_set_obj_prop+0x67/0x67 [drm]
>>> Mar 27 23:46:13 lena kernel: drm_connector_property_set_ioctl+0x39/0x53 [drm]
>>> Mar 27 23:46:13 lena kernel: drm_ioctl_kernel+0x8e/0xe2 [drm]
>>> Mar 27 23:46:13 lena kernel: drm_ioctl+0x1fd/0x2dc [drm]
>>> Mar 27 23:46:13 lena kernel: ? drm_connector_set_obj_prop+0x67/0x67 [drm]
>>> Mar 27 23:46:13 lena kernel: ? hrtimer_cancel+0xc/0x16
>>> Mar 27 23:46:13 lena kernel: ? schedule_hrtimeout_range_clock+0xb3/0xef
>>> Mar 27 23:46:13 lena kernel: ? hrtimer_init+0x2/0x2
>>> Mar 27 23:46:13 lena kernel: vfs_ioctl+0x19/0x26
>>> Mar 27 23:46:13 lena kernel: do_vfs_ioctl+0x52c/0x554
>>> Mar 27 23:46:13 lena kernel: ? wake_up_q+0x4e/0x4e
>>> Mar 27 23:46:13 lena kernel: ksys_ioctl+0x39/0x58
>>> Mar 27 23:46:13 lena kernel: __x64_sys_ioctl+0x11/0x14
>>> Mar 27 23:46:13 lena kernel: do_syscall_64+0x4a/0xf4
>>> Mar 27 23:46:13 lena kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>> Mar 27 23:46:13 lena kernel: RIP: 0033:0x7f6d74ce12b7
>>> Mar 27 23:46:13 lena kernel: Code: 00 00 00 75 0c 48 c7 c0 ff ff ff ff
>>> 48 83 c4 18 c3 e8 cd d2 01 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00
>>> b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a9 cb 0c 00
>>> f7 d8 64 89 01 48
>>> Mar 27 23:46:13 lena kernel: RSP: 002b:00007fff62f16b58 EFLAGS: 00003246 ORIG_RAX: 0000000000000010
>>> Mar 27 23:46:13 lena kernel: RAX: ffffffffffffffda RBX: 000055cc6071deb0 RCX: 00007f6d74ce12b7
>>> Mar 27 23:46:13 lena kernel: RDX: 00007fff62f16b90 RSI: 00000000c01064ab RDI: 000000000000000c
>>> Mar 27 23:46:13 lena kernel: RBP: 00007fff62f16b90 R08: 0000000000000057 R09: 00007f6d71394000
>>> Mar 27 23:46:13 lena kernel: R10: 0000000000000001 R11: 0000000000003246 R12: 00000000c01064ab
>>> Mar 27 23:46:13 lena kernel: R13: 000000000000000c R14: 00007f6d71394001 R15: 0000000000000000
>>> Mar 27 23:46:13 lena kernel: ---[ end trace 5361d6be40e0aaf8 ]---
>>> Mar 28 01:13:22 lena kernel: [drm:drm_atomic_helper_wait_for_flip_done
>>> [drm_kms_helper]] *ERROR* [CRTC:63:pipe B] flip_done timed out
>>> Mar 28 01:23:22 lena kernel: ------------[ cut here ]------------
>>> Mar 28 01:23:22 lena kernel: vblank wait timed out on crtc 1
>>> Mar 28 01:23:22 lena kernel: WARNING: CPU: 0 PID: 4221 at drm_wait_one_vblank+0xfa/0x12a [drm]
>>> Mar 28 01:23:22 lena kernel: Modules linked in: usblp uas usb_storage
>>> uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2
>>> videobuf2_common snd_hda_codec_hdmi snd_hda_codec_realtek
>>> snd_hda_codec_generic crc32_pclmul crc32c_intel ghash_clmulni_intel
>>> i915 aesni_intel drm_kms_helper cfbfillrect crypto_simd glue_helper
>>> syscopyarea cfbimgblt sysfillrect sysimgblt snd_hda_intel fb_sys_fops
>>> cfbcopyarea snd_hda_codec sdhci_acpi drm xhci_pci snd_hwdep sdhci
>>> drm_panel_orientation_quirks snd_hda_core intel_gtt mmc_core xhci_hcd
>>> iosf_mbi
>>> Mar 28 01:23:22 lena kernel: CPU: 0 PID: 4221 Comm: X Tainted: G        W         5.2.0+ #44
>>> Mar 28 01:23:22 lena kernel: Hardware name: Acer Aspire ES1-131/Garp_BA, BIOS V1.23 06/22/2016
>>> Mar 28 01:23:22 lena kernel: RIP: 0010:drm_wait_one_vblank+0xfa/0x12a [drm]
>>> Mar 28 01:23:22 lena kernel: Code: 89 e7 e8 31 eb 74 e1 49 89 c4 eb bf
>>> 48 89 e6 4c 89 f7 e8 d5 b5 ff e0 45 85 e4 75 10 89 de 48 c7 c7 cf de
>>> 0d a0 e8 2e bd fc e0 <0f> 0b 89 de 48 89 ef e8 82 fe ff ff 48 8b 44 24
>>> 28 65 48 33 04 25
>>> Mar 28 01:23:22 lena kernel: RSP: 0018:ffffc90000e73ac0 EFLAGS: 00010296
>>> Mar 28 01:23:22 lena kernel: RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000007
>>> Mar 28 01:23:22 lena kernel: RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff888277a163a0
>>> Mar 28 01:23:22 lena kernel: RBP: ffff888271b40000 R08: 0000000000000338 R09: 0000000000000001
>>> Mar 28 01:23:22 lena kernel: R10: ffffc90000e739d0 R11: 0005a05257e63800 R12: 0000000000000000
>>> Mar 28 01:23:22 lena kernel: R13: 0000000000c25711 R14: ffff8882765eb160 R15: 0000000000000001
>>> Mar 28 01:23:22 lena kernel: FS:  00007f6d744bd200(0000) GS:ffff888277a00000(0000) knlGS:0000000000000000
>>> Mar 28 01:23:22 lena kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>>> Mar 28 01:23:22 lena kernel: CR2: 00007f6d6dcb0000 CR3: 0000000268a70000 CR4: 00000000001006f0
>>> Mar 28 01:23:22 lena kernel: Call Trace:
>>> Mar 28 01:23:22 lena kernel: ? wait_woken+0x68/0x68
>>> Mar 28 01:23:22 lena kernel: intel_pre_plane_update+0x165/0x1ea [i915]
>>> Mar 28 01:23:22 lena kernel: intel_atomic_commit_tail+0xcb/0xf10 [i915]
>>> Mar 28 01:23:22 lena kernel: ? flush_workqueue+0x2ab/0x2d4
>>> Mar 28 01:23:22 lena kernel: intel_atomic_commit+0x23a/0x248 [i915]
>>> Mar 28 01:23:22 lena kernel: drm_atomic_connector_commit_dpms+0xc0/0xda [drm]
>>> Mar 28 01:23:22 lena kernel: drm_mode_obj_set_property_ioctl+0x133/0x241 [drm]
>>> Mar 28 01:23:22 lena kernel: ? drm_connector_set_obj_prop+0x67/0x67 [drm]
>>> Mar 28 01:23:22 lena kernel: drm_connector_property_set_ioctl+0x39/0x53 [drm]
>>> Mar 28 01:23:22 lena kernel: drm_ioctl_kernel+0x8e/0xe2 [drm]
>>> Mar 28 01:23:22 lena kernel: drm_ioctl+0x1fd/0x2dc [drm]
>>> Mar 28 01:23:22 lena kernel: ? drm_connector_set_obj_prop+0x67/0x67 [drm]
>>> Mar 28 01:23:22 lena kernel: ? hrtimer_cancel+0xc/0x16
>>> Mar 28 01:23:22 lena kernel: ? schedule_hrtimeout_range_clock+0xb3/0xef
>>> Mar 28 01:23:22 lena kernel: ? hrtimer_init+0x2/0x2
>>> Mar 28 01:23:22 lena kernel: vfs_ioctl+0x19/0x26
>>> Mar 28 01:23:22 lena kernel: do_vfs_ioctl+0x52c/0x554
>>> Mar 28 01:23:22 lena kernel: ? wake_up_q+0x4e/0x4e
>>> Mar 28 01:23:22 lena kernel: ksys_ioctl+0x39/0x58
>>> Mar 28 01:23:22 lena kernel: __x64_sys_ioctl+0x11/0x14
>>> Mar 28 01:23:22 lena kernel: do_syscall_64+0x4a/0xf4
>>> Mar 28 01:23:22 lena kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>> Mar 28 01:23:22 lena kernel: RIP: 0033:0x7f6d74ce12b7
>>> Mar 28 01:23:22 lena kernel: Code: 00 00 00 75 0c 48 c7 c0 ff ff ff ff
>>> 48 83 c4 18 c3 e8 cd d2 01 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00
>>> b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a9 cb 0c 00
>>> f7 d8 64 89 01 48
>>> Mar 28 01:23:22 lena kernel: RSP: 002b:00007fff62f16b58 EFLAGS: 00003246 ORIG_RAX: 0000000000000010
>>> Mar 28 01:23:22 lena kernel: RAX: ffffffffffffffda RBX: 000055cc6071deb0 RCX: 00007f6d74ce12b7
>>> Mar 28 01:23:22 lena kernel: RDX: 00007fff62f16b90 RSI: 00000000c01064ab RDI: 000000000000000c
>>> Mar 28 01:23:22 lena kernel: RBP: 00007fff62f16b90 R08: 0000000000000057 R09: 00007f6d71394000
>>> Mar 28 01:23:22 lena kernel: R10: 0000000000000001 R11: 0000000000003246 R12: 00000000c01064ab
>>> Mar 28 01:23:22 lena kernel: R13: 000000000000000c R14: 00007f6d71394001 R15: 0000000000000000
>>> Mar 28 01:23:22 lena kernel: ---[ end trace 5361d6be40e0aaf9 ]---
>>> Mar 28 02:30:26 lena syslog-ng[3629]: Log statistics;
>>> processed='global(internal_queue_length)=0',
>>> queued='global(scratch_buffers_count)=1026497183744',
>>> queued='global(scratch_buffers_bytes)=0',
>>> processed='global(msg_clones)=0', processed='center(received)=3403',
>>> processed='source(src)=3403', processed='center(queued)=6806',
>>> processed='destination(console_all)=3403',
>>> processed='src.internal(src#1)=107',
>>> stamp='src.internal(src#1)=1585315826',
>>> processed='destination(mail)=2359',
>>> processed='destination(messages)=1044',
>>> processed='global(sdata_updates)=8',
>>> processed='global(payload_reallocs)=2439'
>>> Mar 28 03:55:25 lena kernel: [drm:drm_atomic_helper_wait_for_flip_done
>>> [drm_kms_helper]] *ERROR* [CRTC:63:pipe B] flip_done timed out
>>> Mar 28 03:55:35 lena kernel:
>>> [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR*
>>> [CRTC:63:pipe B] flip_done timed out
>>> Mar 28 03:55:45 lena kernel:
>>> [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR*
>>> [CONNECTOR:87:HDMI-A-1] flip_done timed out
>>> Mar 28 03:55:55 lena kernel: [drm:drm_atomic_helper_wait_for_flip_done
>>> [drm_kms_helper]] *ERROR* [CRTC:63:pipe B] flip_done timed out
>>> Mar 28 04:05:55 lena kernel: ------------[ cut here ]------------
>>> Mar 28 04:05:55 lena kernel: vblank wait timed out on crtc 1
>>> Mar 28 04:05:55 lena kernel: WARNING: CPU: 0 PID: 4221 at drm_wait_one_vblank+0xfa/0x12a [drm]
>>> Mar 28 04:05:55 lena kernel: Modules linked in: usblp uas usb_storage
>>> uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2
>>> videobuf2_common snd_hda_codec_hdmi snd_hda_codec_realtek
>>> snd_hda_codec_generic crc32_pclmul crc32c_intel ghash_clmulni_intel
>>> i915 aesni_intel drm_kms_helper cfbfillrect crypto_simd glue_helper
>>> syscopyarea cfbimgblt sysfillrect sysimgblt snd_hda_intel fb_sys_fops
>>> cfbcopyarea snd_hda_codec sdhci_acpi drm xhci_pci snd_hwdep sdhci
>>> drm_panel_orientation_quirks snd_hda_core intel_gtt mmc_core xhci_hcd
>>> iosf_mbi
>>> Mar 28 04:05:55 lena kernel: CPU: 0 PID: 4221 Comm: X Tainted: G        W         5.2.0+ #44
>>> Mar 28 04:05:55 lena kernel: Hardware name: Acer Aspire ES1-131/Garp_BA, BIOS V1.23 06/22/2016
>>> Mar 28 04:05:55 lena kernel: RIP: 0010:drm_wait_one_vblank+0xfa/0x12a [drm]
>>> Mar 28 04:05:55 lena kernel: Code: 89 e7 e8 31 eb 74 e1 49 89 c4 eb bf
>>> 48 89 e6 4c 89 f7 e8 d5 b5 ff e0 45 85 e4 75 10 89 de 48 c7 c7 cf de
>>> 0d a0 e8 2e bd fc e0 <0f> 0b 89 de 48 89 ef e8 82 fe ff ff 48 8b 44 24
>>> 28 65 48 33 04 25
>>> Mar 28 04:05:55 lena kernel: RSP: 0018:ffffc90000e73ac0 EFLAGS: 00010296
>>> Mar 28 04:05:55 lena kernel: RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000007
>>> Mar 28 04:05:55 lena kernel: RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff888277a163a0
>>> Mar 28 04:05:55 lena kernel: RBP: ffff888271b40000 R08: 000000000000036d R09: 0000000000000001
>>> Mar 28 04:05:55 lena kernel: R10: ffffc90000e739d0 R11: 0005ae83a6d4cf00 R12: 0000000000000000
>>> Mar 28 04:05:55 lena kernel: R13: 0000000000ca9ef5 R14: ffff8882765eb160 R15: 0000000000000001
>>> Mar 28 04:05:55 lena kernel: FS:  00007f6d744bd200(0000) GS:ffff888277a00000(0000) knlGS:0000000000000000
>>> Mar 28 04:05:55 lena kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>>> Mar 28 04:05:55 lena kernel: CR2: 00007f6d6dcb0000 CR3: 0000000268a70000 CR4: 00000000001006f0
>>> Mar 28 04:05:55 lena kernel: Call Trace:
>>> Mar 28 04:05:55 lena kernel: ? wait_woken+0x68/0x68
>>> Mar 28 04:05:55 lena kernel: intel_pre_plane_update+0x165/0x1ea [i915]
>>> Mar 28 04:05:55 lena kernel: intel_atomic_commit_tail+0xcb/0xf10 [i915]
>>> Mar 28 04:05:55 lena kernel: ? flush_workqueue+0x2ab/0x2d4
>>> Mar 28 04:05:55 lena kernel: intel_atomic_commit+0x23a/0x248 [i915]
>>> Mar 28 04:05:55 lena kernel: drm_atomic_connector_commit_dpms+0xc0/0xda [drm]
>>> Mar 28 04:05:55 lena kernel: drm_mode_obj_set_property_ioctl+0x133/0x241 [drm]
>>> Mar 28 04:05:55 lena kernel: ? drm_connector_set_obj_prop+0x67/0x67 [drm]
>>> Mar 28 04:05:55 lena kernel: drm_connector_property_set_ioctl+0x39/0x53 [drm]
>>> Mar 28 04:05:55 lena kernel: drm_ioctl_kernel+0x8e/0xe2 [drm]
>>> Mar 28 04:05:55 lena kernel: ? ___sys_recvmsg+0x1a0/0x1ce
>>> Mar 28 04:05:55 lena kernel: drm_ioctl+0x1fd/0x2dc [drm]
>>> Mar 28 04:05:55 lena kernel: ? drm_connector_set_obj_prop+0x67/0x67 [drm]
>>> Mar 28 04:05:55 lena kernel: ? vfs_writev+0xd3/0x100
>>> Mar 28 04:05:55 lena kernel: ? timerqueue_del+0x2c/0x3a
>>> Mar 28 04:05:55 lena kernel: ? __remove_hrtimer+0x28/0x61
>>> Mar 28 04:05:55 lena kernel: vfs_ioctl+0x19/0x26
>>> Mar 28 04:05:55 lena kernel: do_vfs_ioctl+0x52c/0x554
>>> Mar 28 04:05:55 lena kernel: ? __se_sys_setitimer+0xa8/0xf0
>>> Mar 28 04:05:55 lena kernel: ksys_ioctl+0x39/0x58
>>> Mar 28 04:05:55 lena kernel: __x64_sys_ioctl+0x11/0x14
>>> Mar 28 04:05:55 lena kernel: do_syscall_64+0x4a/0xf4
>>> Mar 28 04:05:55 lena kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>> Mar 28 04:05:55 lena kernel: RIP: 0033:0x7f6d74ce12b7
>>> Mar 28 04:05:55 lena kernel: Code: 00 00 00 75 0c 48 c7 c0 ff ff ff ff
>>> 48 83 c4 18 c3 e8 cd d2 01 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00
>>> b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a9 cb 0c 00
>>> f7 d8 64 89 01 48
>>> Mar 28 04:05:55 lena kernel: RSP: 002b:00007fff62f16b58 EFLAGS: 00003246 ORIG_RAX: 0000000000000010
>>> Mar 28 04:05:55 lena kernel: RAX: ffffffffffffffda RBX: 000055cc6071deb0 RCX: 00007f6d74ce12b7
>>> Mar 28 04:05:55 lena kernel: RDX: 00007fff62f16b90 RSI: 00000000c01064ab RDI: 000000000000000c
>>> Mar 28 04:05:55 lena kernel: RBP: 00007fff62f16b90 R08: 0000000000000057 R09: 00007f6d71394000
>>> Mar 28 04:05:55 lena kernel: R10: 0000000000000001 R11: 0000000000003246 R12: 00000000c01064ab
>>> Mar 28 04:05:55 lena kernel: R13: 000000000000000c R14: 00007f6d71394001 R15: 0000000000000000
>>> Mar 28 04:05:55 lena kernel: ---[ end trace 5361d6be40e0aafa ]---
>>> Mar 28 04:49:14 lena kernel: ------------[ cut here ]------------
>>> Mar 28 04:49:14 lena kernel: vblank wait timed out on crtc 1
>>> Mar 28 04:49:14 lena kernel: WARNING: CPU: 2 PID: 4221 at drm_wait_one_vblank+0xfa/0x12a [drm]
>>> Mar 28 04:49:14 lena kernel: Modules linked in: usblp uas usb_storage
>>> uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2
>>> videobuf2_common snd_hda_codec_hdmi snd_hda_codec_realtek
>>> snd_hda_codec_generic crc32_pclmul crc32c_intel ghash_clmulni_intel
>>> i915 aesni_intel drm_kms_helper cfbfillrect crypto_simd glue_helper
>>> syscopyarea cfbimgblt sysfillrect sysimgblt snd_hda_intel fb_sys_fops
>>> cfbcopyarea snd_hda_codec sdhci_acpi drm xhci_pci snd_hwdep sdhci
>>> drm_panel_orientation_quirks snd_hda_core intel_gtt mmc_core xhci_hcd
>>> iosf_mbi
>>> Mar 28 04:49:14 lena kernel: CPU: 2 PID: 4221 Comm: X Tainted: G        W         5.2.0+ #44
>>> Mar 28 04:49:14 lena kernel: Hardware name: Acer Aspire ES1-131/Garp_BA, BIOS V1.23 06/22/2016
>>> Mar 28 04:49:14 lena kernel: RIP: 0010:drm_wait_one_vblank+0xfa/0x12a [drm]
>>> Mar 28 04:49:14 lena kernel: Code: 89 e7 e8 31 eb 74 e1 49 89 c4 eb bf
>>> 48 89 e6 4c 89 f7 e8 d5 b5 ff e0 45 85 e4 75 10 89 de 48 c7 c7 cf de
>>> 0d a0 e8 2e bd fc e0 <0f> 0b 89 de 48 89 ef e8 82 fe ff ff 48 8b 44 24
>>> 28 65 48 33 04 25
>>> Mar 28 04:49:14 lena kernel: RSP: 0018:ffffc90000e73ac0 EFLAGS: 00010296
>>> Mar 28 04:49:14 lena kernel: RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000007
>>> Mar 28 04:49:14 lena kernel: RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff888277b163a0
>>> Mar 28 04:49:14 lena kernel: RBP: ffff888271b40000 R08: 000000000000039f R09: 0000000000000001
>>> Mar 28 04:49:14 lena kernel: R10: ffffc90000e739d0 R11: 0005b24bca063000 R12: 0000000000000000
>>> Mar 28 04:49:14 lena kernel: R13: 0000000000ccd1e6 R14: ffff8882765eb160 R15: 0000000000000001
>>> Mar 28 04:49:14 lena kernel: FS:  00007f6d744bd200(0000) GS:ffff888277b00000(0000) knlGS:0000000000000000
>>> Mar 28 04:49:14 lena kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>>> Mar 28 04:49:14 lena kernel: CR2: 00007f6d6dcb0000 CR3: 0000000268a70000 CR4: 00000000001006e0
>>> Mar 28 04:49:14 lena kernel: Call Trace:
>>> Mar 28 04:49:14 lena kernel: ? wait_woken+0x68/0x68
>>> Mar 28 04:49:14 lena kernel: intel_pre_plane_update+0x165/0x1ea [i915]
>>> Mar 28 04:49:14 lena kernel: intel_atomic_commit_tail+0xcb/0xf10 [i915]
>>> Mar 28 04:49:14 lena kernel: ? flush_workqueue+0x2ab/0x2d4
>>> Mar 28 04:49:14 lena kernel: intel_atomic_commit+0x23a/0x248 [i915]
>>> Mar 28 04:49:14 lena kernel: drm_atomic_connector_commit_dpms+0xc0/0xda [drm]
>>> Mar 28 04:49:14 lena kernel: drm_mode_obj_set_property_ioctl+0x133/0x241 [drm]
>>> Mar 28 04:49:14 lena kernel: ? drm_connector_set_obj_prop+0x67/0x67 [drm]
>>> Mar 28 04:49:14 lena kernel: drm_connector_property_set_ioctl+0x39/0x53 [drm]
>>> Mar 28 04:49:14 lena kernel: drm_ioctl_kernel+0x8e/0xe2 [drm]
>>> Mar 28 04:49:14 lena kernel: drm_ioctl+0x1fd/0x2dc [drm]
>>> Mar 28 04:49:14 lena kernel: ? drm_connector_set_obj_prop+0x67/0x67 [drm]
>>> Mar 28 04:49:14 lena kernel: ? hrtimer_cancel+0xc/0x16
>>> Mar 28 04:49:14 lena kernel: ? schedule_hrtimeout_range_clock+0xb3/0xef
>>> Mar 28 04:49:14 lena kernel: ? hrtimer_init+0x2/0x2
>>> Mar 28 04:49:14 lena kernel: vfs_ioctl+0x19/0x26
>>> Mar 28 04:49:14 lena kernel: do_vfs_ioctl+0x52c/0x554
>>> Mar 28 04:49:14 lena kernel: ? wake_up_q+0x4e/0x4e
>>> Mar 28 04:49:14 lena kernel: ksys_ioctl+0x39/0x58
>>> Mar 28 04:49:14 lena kernel: __x64_sys_ioctl+0x11/0x14
>>> Mar 28 04:49:14 lena kernel: do_syscall_64+0x4a/0xf4
>>> Mar 28 04:49:14 lena kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>> Mar 28 04:49:14 lena kernel: RIP: 0033:0x7f6d74ce12b7
>>> Mar 28 04:49:14 lena kernel: Code: 00 00 00 75 0c 48 c7 c0 ff ff ff ff
>>> 48 83 c4 18 c3 e8 cd d2 01 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00
>>> b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a9 cb 0c 00
>>> f7 d8 64 89 01 48
>>> Mar 28 04:49:14 lena kernel: RSP: 002b:00007fff62f16b58 EFLAGS: 00003246 ORIG_RAX: 0000000000000010
>>> Mar 28 04:49:14 lena kernel: RAX: ffffffffffffffda RBX: 000055cc6071deb0 RCX: 00007f6d74ce12b7
>>> Mar 28 04:49:14 lena kernel: RDX: 00007fff62f16b90 RSI: 00000000c01064ab RDI: 000000000000000c
>>> Mar 28 04:49:14 lena kernel: RBP: 00007fff62f16b90 R08: 0000000000000057 R09: 00007f6d71394000
>>> Mar 28 04:49:14 lena kernel: R10: 0000000000000001 R11: 0000000000003246 R12: 00000000c01064ab
>>> Mar 28 04:49:14 lena kernel: R13: 000000000000000c R14: 00007f6d71394001 R15: 0000000000000000
>>> Mar 28 04:49:14 lena kernel: ---[ end trace 5361d6be40e0aafb ]---

-- 
Jani Nikula, Intel Open Source Graphics Center