[Bug 95488] [APL] igt / gem_exec_flush / uc-r* fail

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu May 19 10:48:31 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=95488

--- Comment #3 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit a1b0ed1dc48ea209b2a3a07a2d24245ad2cd1948
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Thu May 19 11:35:14 2016 +0100

    igt/gem_exec_flush: Exclude -before- subtests from BAT

    The *-before-* tests were designed to detect a potential issue with long
    speculative prefetches that would load the map[] before we have even
    called execbuf(). As CPUs get smarter and able to look ahead further we
    are starting to see failures and as we know the code is deliberately
    buggy exclude the tests from BAT. (I want to keep the tests in the full
    suite so that we can record which processors are affected, and look for
    related issues.)

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=95378
    References: https://bugs.freedesktop.org/show_bug.cgi?id=95488
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

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