[Bug 295512] graphics/drm-66-kmod: sporadic GPU hang with i915kms

[email protected]
Newsgroups gmane.os.freebsd.devel.x11
Message-ID <[email protected]/bugzilla/>
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295512

--- Comment #3 from Christopher Ross <[email protected]> ---
I am getting this constantly, pretty much opening any window will cause the
desktop to hang, even the prompt for the KWallet password that appears when you
first login. It means that the machine is basically unusable.

torch kernel log messages:
+drmn0: [drm] GPU HANG: ecode 9:1:85d7fffb, in QSGRenderThread [106560]
+drmn0: [drm] Resetting rcs0 for preemption time out
+drmn0: [drm] QSGRenderThread[106560] context reset due to GPU hang
+drmn0: [drm] GPU HANG: ecode 9:1:85d7bfff, in QSGRenderThread [106590]
+drmn0: [drm] Resetting rcs0 for preemption time out
+drmn0: [drm] QSGRenderThread[106590] context reset due to GPU hang
+drmn0: [drm] GPU HANG: ecode 9:1:85d7ffff, in MainThread [100317]
+drmn0: [drm] Resetting rcs0 for preemption time out
+drmn0: [drm] Xorg[100317] context reset due to GPU hang
+drmn0: [drm] GPU HANG: ecode 9:1:85d7ffff, in kwin_x11 [100989]
+drmn0: [drm] Resetting rcs0 for preemption time out
+drmn0: [drm] kwin_x11[100989] context reset due to GPU hang
+drmn0: [drm] GPU HANG: ecode 9:1:85dfffff, in MainThread [100317]
+drmn0: [drm] Resetting rcs0 for preemption time out
+drmn0: [drm] MainThread[100317] context reset due to GPU hang
+drmn0: [drm] GPU HANG: ecode 9:1:85dfffff, in MainThread [100317]
+drmn0: [drm] Resetting rcs0 for preemption time out
+drmn0: [drm] MainThread[100317] context reset due to GPU hang



17 Aug 2026: rebuilt and installed drm-latest-kmod-6.12.1501000
from a clean/current ports tree at commit
e73efedf4ddbc82b6ded7720a176923e65d2a989.

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