From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 211501] Kernel freeze when waking monitor from blanking / DPMS (AMDGPU / DC)
Date: Wed, 03 Feb 2021 18:29:00 +0000 [thread overview]
Message-ID: <bug-211501-2300-YkvcgssOym@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-211501-2300@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=211501
--- Comment #2 from Jasen Borisov (borisovjasen@protonmail.com) ---
OK, it just happened again. More info:
The secondary monitor lights up, but just shows a black screen with the mouse
cursor, but the primary monitor does not. This makes me suspect that my primary
monitor is the culprit.
As before, the kernel freezes for about a minute or so in that state, and then
recovers.
The dmesg output is shorter this time:
[Feb 3 19:20] [drm] perform_link_training_with_retries: Link training attempt 1
of 4 failed
[ +0.407677] [drm] perform_link_training_with_retries: Link training attempt 2
of 4 failed
[ +0.460615] [drm] perform_link_training_with_retries: Link training attempt 3
of 4 failed
[ +0.420583] [drm] enabling link 0 failed: 15
[ +0.177390] [drm] perform_link_training_with_retries: Link training attempt 1
of 4 failed
[ +0.060044] [drm] perform_link_training_with_retries: Link training attempt 2
of 4 failed
[ +0.111304] [drm] perform_link_training_with_retries: Link training attempt 3
of 4 failed
[ +0.159993] [drm] enabling link 0 failed: 15
[Feb 3 19:21] [drm] REG_WAIT timeout 10us * 3000 tries -
dce110_stream_encoder_dp_blank line:955
There was no backtrace like last time.
BTW, note that the kernel "thinks" that ~1 second passed, based on those
timestamps, but in reality, it was about a minute.
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next prev parent reply other threads:[~2021-02-03 18:29 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-31 16:24 [Bug 211501] New: Kernel freeze when waking monitor from blanking / DPMS (AMDGPU / DC) bugzilla-daemon
2021-01-31 16:26 ` [Bug 211501] " bugzilla-daemon
2021-02-03 18:29 ` bugzilla-daemon [this message]
2021-02-18 15:58 ` bugzilla-daemon
2021-02-19 20:28 ` bugzilla-daemon
2021-03-31 10:12 ` bugzilla-daemon
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