[Bug 70461] [sna suse] ddx assertion hits

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70461

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |NEEDINFO

--- Comment #27 from Chris Wilson <chris at chris-wilson.co.uk> ---
Not sure. The scenarios I thought of involved a race with an external client
(i.e. GL) or a kernel bug. However,

commit 8b0ebebcab21647348f769c25ca0c1d81d169e75
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Tue Jan 28 16:30:47 2014 +0000

    sna: Be a little more assertive in retiring after set-domain

    After a successful set-domain for writing with the CPU, we know that the
    buffer is idle so remove it from our request tracking. (External clients
    complicate matters in that they may keep the bo active even after our
    set-domain.) On the contrary, because of read-read optimisations a bo
    may still be active after a set-domain for reading by the CPU, in which
    we need to remain conservative in retiring the bo.

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

should paper over the assertion.

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