[Bug 106099] [CI] igt at gem_exec_reloc@basic-wc-(gtt|cpu)* - fail - Failed assertion: reloc.presumed_offset == offset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106099

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> ---
Fingers crossed, but

commit fddcd00a49e9122a3579247151e9cb3ce5a1a36e
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Mon Sep 3 09:33:35 2018 +0100

    drm/i915: Force the slow path after a user-write error

    If we fail to write the user relocation back when it is changed, force
    ourselves to take the slow relocation path where we can handle faults in
    the write path. There is still an element of dubiousness as having
    patched up the batch to use the correct offset, it no longer matches the
    presumed_offset in the relocation, so a second pass may miss any changes
    in layout.

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20180903083337.13134-3-chris@chris-wilson.co.uk

seems a more than likely suspect.

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