FS#69294 - i915 driver appears to be causing hangs.

Attached to Project: Arch Linux
Opened by David J. Haines (dhaines) - Monday, 11 January 2021, 21:31 GMT
Last edited by Doug Newgard (Scimmia) - Monday, 11 January 2021, 23:45 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To No-one
Architecture x86_64
Severity Critical
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Running on a Lenovo P1 with up-to-date firmware, X will occasionally appear to freeze and the console becomes entirely nonresponsive.

dmesg via SSH shows the following:
[25435.674930] INFO: task kworker/3:1H:229 blocked for more than 122 seconds.
[25435.674932] Not tainted 5.10.6-arch1-1 #1
[25435.674933] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[25435.674947] task:kworker/3:1H state:D stack: 0 pid: 229 ppid: 2 flags:0x00004080
[25435.674981] Workqueue: events_highpri intel_atomic_cleanup_work [i915]
[25435.674982] Call Trace:
[25435.674985] __schedule+0x295/0x810
[25435.674987] schedule+0x5b/0xc0
[25435.674988] schedule_preempt_disabled+0x11/0x20
[25435.674990] __ww_mutex_lock.constprop.0+0x4bd/0x810
[25435.675014] intel_unpin_fb_vma+0x25/0xa0 [i915]
[25435.675022] drm_atomic_helper_cleanup_planes+0x52/0x70 [drm_kms_helper]
[25435.675045] intel_atomic_cleanup_work+0x67/0x110 [i915]
[25435.675048] process_one_work+0x1d6/0x3a0
[25435.675049] worker_thread+0x4d/0x3d0
[25435.675051] ? rescuer_thread+0x410/0x410
[25435.675052] kthread+0x133/0x150
[25435.675053] ? __kthread_bind_mask+0x60/0x60
[25435.675055] ret_from_fork+0x22/0x30
This task depends upon

Closed by  Doug Newgard (Scimmia)
Monday, 11 January 2021, 23:45 GMT
Reason for closing:  Duplicate
Additional comments about closing:   FS#69190 
Comment by John (graysky) - Monday, 11 January 2021, 22:21 GMT
https://bugs.archlinux.org/task/69190

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