[Bug 111639] [CI][RESUME] igt at gem_vm_create@isolation - dmesg-warn - GEM_BUG_ON(!intel_context_is_pinned(ce))

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111639

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #5 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit ae911b23d2f06c5d0a3e32768bedea857cadd269
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Mon Sep 23 12:00:53 2019 +0100

    drm/i915/execlists: Relax assertion for a pinned context image on reset

    A gpu hang can occur at any time, given a sufficiently angry gpu. An
    example is when it forgets to perform a context-switch at the end of a
    request, leaving us with a hanging GPU on a completed request. Here, we
    may retire the request, only leaving its context alive via the active
    barrier. When we reset the GPU on a completed request, we do not modify
    its context image (just updating the ring state) and can safely defer
    the assertion that we have the image pinned and ready to modify.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111639
    Fixes: dffa8feb3084 ("drm/i915/perf: Assert locking for
i915_init_oa_perf_state()")
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
    Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20190923110056.15176-1-chris@chris-wilson.co.uk

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