[Bug 105457] [CI] igt at gem_ctx_isolation@rcs0-reset - fail - Test assertion failure function compare_regs - 113 registers mistached between dirty 33333333 context

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105457

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

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

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit 0a393229479d61829a2f8671c1a46f533c76b385 (HEAD, upstream/master)
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Tue Mar 27 14:44:30 2018 +0100

    igt/gem_ctx_isolation: Reset a scratch context

    If we inject a reset into the target context, there is a risk that the
    register state is never saved back to memory. The exact interaction
    between reset, the context image and the precise timing of our execution
    are not well defined. Since we cannot ensure that the context image
    remains valid, force a context switch prior to the reset.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105270
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105457
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105545
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
    Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
    Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

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