linux-kernel - Re: [Intel-gfx] v5.8-rc1 on thinkpad x220, intel graphics: interface frozen, can still switch to text console

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Date:   Mon, 22 Jun 2020 10:13:13 +0100
From:   Chris Wilson <chris@...is-wilson.co.uk>
To:     Pavel Machek <pavel@....cz>, intel-gfx@...ts.freedesktop.org,
        jani.nikula@...ux.intel.com, joonas.lahtinen@...ux.intel.com,
        kernel list <linux-kernel@...r.kernel.org>,
        rodrigo.vivi@...el.com
Subject: Re: [Intel-gfx] v5.8-rc1 on thinkpad x220, intel graphics: interface frozen, can still switch to text console

Quoting Pavel Machek (2020-06-22 09:52:59)
> Hi!
> 
> Linux duo 5.8.0-rc1+ #117 SMP PREEMPT Mon Jun 15 16:13:54 CEST 2020 x86_64 GNU/Linux
> 
> [133747.719711] [  17456]     0 17456     4166      271    65536        0             0 sshd
> [133747.719718] [  17466]  1000 17466     4166      289    65536        0             0 sshd
> [133747.719724] [  17468]  1000 17468   433587   303033  2588672        0             0 unison
> [133747.719730] [  18023]  1000 18023     1316       16    40960        0             0 sleep
> [133747.719737] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),task=chromium,pid=27368,uid=1000
> [133747.719795] Out of memory: Killed process 27368 (chromium) total-vm:6686908kB, anon-rss:647056kB, file-rss:0kB, shmem-rss:7452kB, UID:1000 pgtables:5304kB oom_score_adj:300
> [133747.799893] oom_reaper: reaped process 27368 (chromium), now anon-rss:0kB, file-rss:0kB, shmem-rss:6836kB
> [136841.820558] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0
> [136841.924333] i915 0000:00:02.0: [drm] Xorg[3016] context reset due
> to GPU hang

If that was the first occurrence it would have pointed to the error
state containing more information on the cause of the hang.
Attach /sys/class/drm/card0/error
-Chris