[Bug 103025] [GM45] loss of driver acceleration after some time

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103025

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Adric Blake from comment #0)
> I've had this happen for at least the past three boots, with cause seemingly
> unknown (I've tested moderate memory pressure, suspend + lid open/close,
> concurrent GPU-using programs, and hibernation). The issue appears to have
> been present at least intermittently for weeks, way back when I was testing
> drm-tip with the 4.13.1 kernel.

If you can identify that v4.12 or v4.13.0 is ok (a day or so of uptime), that
would be a big help (in tying it to a kernel update). Similarly checking
current (v4.15) drm-tip would also be valuable information.

ENOENT means the handle lookup failed, either in the initial object lookup or
the relocation lookup.

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