[Bug 108133] [CI][DRMTIP] igt at gem_eio@wait-wedge-1us - dmesg-warn - GEM_BUG_ON(!intel_engine_is_idle(engine))

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108133

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

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

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
I am not convinced, but

commit 88a83f3c2d7a87ce7c9c4171dec8e2fb48070288
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Thu Oct 4 09:21:19 2018 +0100

    drm/i915: Only reset seqno if actually idle

    Before we can reset the seqno, we have to be sure the engines are idle.
    In debugfs/i915_drop_caches_set, we do wait_for_idle but allow ourselves
    to be interrupted. We should only proceed to reset the seqno then if we
    were not interrupted, and so also avoid overwriting the error status.

    References: https://bugs.freedesktop.org/show_bug.cgi?id=108133
    Fixes: 6b048706f407 ("drm/i915: Forcibly flush unwanted requests in
drop-caches")
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
    Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20181004082119.24970-1-chris@chris-wilson.co.uk

may have an effect. Otherwise this bug is too weird for me.

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