[Bug 107399] [CI][BAT] igt at drv_selftest@live_hangcheck - incomplete, hangs during others-priority

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107399

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

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

--- Comment #7 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit ee435831ec83344dba5ccddd4ffcc6ca95d1cf77 (HEAD -> drm-intel-next-queued,
hsw/hsw, drm-intel/drm-intel-next-queued)
Author: Paulo Zanoni <paulo.r.zanoni at intel.com>
Date:   Thu Aug 9 16:58:52 2018 -0700

    drm/i915/icl: account for context save/restore removed bits

    The RS_CTX_ENABLE and CTX_SAVE_INHIBIT bits are not present on ICL
    anymore, but we still try to set them and then check them with
    GEM_BUG_ON, resulting in a BUG() call. The bug can be reproduced by
    igt/drv_selftest/live_hangcheck/others-priority and our CI was able
    to catch it.

    It is worth noticing that commit 05f0addd9b10 ("drm/i915/icl: Enhanced
    execution list support") already tried to avoid the save bits
    on ICL, but only inside populate_lr_context().

    Cc: Chris Wilson <chris at chris-wilson.co.uk>
    Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
    Testcase: igt/drv_selftest/live_hangcheck/others-priority
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107399
    References: 05f0addd9b10 ("drm/i915/icl: Enhanced execution list support")
    Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20180809235852.24516-1-paulo.r.zanoni@intel.com
    Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

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