[Bug 111660] [CI][RESUME] igt at gem_tiled_fence_blits@normal - incomplete - GEM_BUG_ON(!node_signaled(dep->signaler))

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111660

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

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

--- Comment #3 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit ee73e2795b416b829f0e00e7c43154922dff495b
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Thu Sep 12 14:23:13 2019 +0100

    drm/i915/tgl: Disable preemption while being debugged

    We see failures where the context continues executing past a
    preemption event, eventually leading to situations where a request has
    executed before we have event submitted it to HW! It seems like tgl is
    ignoring our RING_TAIL updates, but more likely is that there is a
    missing update required for our semaphore waits around preemption.

    v2: And disable internal semaphore usage

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
    Acked-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20190912132313.12751-1-chris@chris-wilson.co.uk

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