[Bug 295625] graphics/drm-612-kmod hangs on Alder Lake-S GT1 [UHD Graphics 770]

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Newsgroups gmane.os.freebsd.devel.x11
Message-ID <[email protected]/bugzilla/>
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295625

--- Comment #7 from Jonathan Chen <[email protected]> ---
After a bit more testing, drm-612-kmod-6.12.85.1501501_1 still has GPU hang.
This can be triggered by placing the system under stress, eg during a
ports-rebuild.

Jun 15 08:15:23 stormbringer kernel: drmn0: [drm] GPU HANG: ecode
12:1:85dfbfff, in MainThread [101919]
Jun 15 08:15:23 stormbringer kernel: drmn0: [drm] Resetting rcs0 for preemption
time out
Jun 15 08:15:23 stormbringer kernel: drmn0: [drm] Xorg[101919] context reset
due to GPU hang
Jun 15 08:15:38 stormbringer kernel: drmn0: [drm] GPU HANG: ecode
12:1:85dfbfff, in MainThread [101919]
Jun 15 08:15:38 stormbringer kernel: drmn0: [drm] Resetting rcs0 for preemption
time out
Jun 15 08:15:38 stormbringer kernel: drmn0: [drm] MainThread[101919] context
reset due to GPU hang
Jun 15 08:15:44 stormbringer kernel: Fence expiration time out
i915-drmn0:MainThread<101919>:2!
Jun 15 08:15:44 stormbringer kernel: Fence expiration time out
i915-drmn0:MainThread<101919>:4!
Jun 15 08:15:45 stormbringer kernel: Fence expiration time out
i915-drmn0:MainThread<101919>:6!
Jun 15 08:15:45 stormbringer kernel: Fence expiration time out
i915-drmn0:MainThread<101919>:8!

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