[Bug 90183] GPU HANG: ecode 7:0:0x86dfbff9, in compiz [1938], reason: Ring hung, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90183

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
The GPU hang looks suspiciously like it resulted from the resume. The final
panic is just an explosion in drm core when releasing fb on a fd. Both would be
good to track down.

Can you try bisecting, and just skip everytime you don't get a working boot. We
can hope that we have enough non-skips to identify the bug.

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