[Bug 111086] [CI][SHARDS] igt at i915_selftest@mock_requests - dmesg-warn - WARNING: .* at kernel/workqueue.c:\d+ __queue_work

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111086

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> ---
commit 4fda44bf16b79a0b78fe36c6b9859e9ce2d09f43
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Wed Jul 3 18:19:13 2019 +0100

    drm/i915: Flush the workqueue before draining

    Trying to drain a workqueue while we may still be adding to it from
    background tasks is, according to kernel/workqueue.c, verboten. So, add
    a flush_workqueue() at the start of our cleanup procedure.

    References: https://bugs.freedesktop.org/show_bug.cgi?id=110550
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20190703171913.16585-4-chris@chris-wilson.co.uk

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