[Bug 98173] [APL] Process killed when executing gem_ctx_thrash / threads

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98173

--- Comment #13 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Chris Wilson from comment #12)
> Only the oom is the same, the GPF is a new regression.

commit 9caa34aa9382bf9f204d674633537accb475064a
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Fri Nov 11 14:58:08 2016 +0000

    drm/i915: Only wait upon the execution timeline when unlocked

    In order to walk the list of all timelines, we currently require the
    struct_mutex. We are sometimes called prior to the struct_mutex being
    taken by the caller (i.e !I915_WAIT_LOCKED) in which case we can only
    trust the global execution timelines (as these are owned by the device).
    This means in the unlocked phase we can only wait upon the currently
    executing requests and not all queued.

for the GPF.

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