[Bug 61477] [965g] batch corruption, clflush?

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61477

Norman Yarvin <yarvin at yarchive.net> changed:

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

--- Comment #22 from Norman Yarvin <yarvin at yarchive.net> ---
And now it's back, after I installed a new version of the driver.  (Well, the
window border corruption is back; I haven't had any crashes, but didn't test
for long.)  Git bisect tells me that the first bad commit is, unsurprisingly:


commit 8e42637050275945200797538a34c13c90b295cc
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Tue May 21 11:13:03 2013 +0100

    sna: Re-enable read-read optimisations

    Coacher is optimistic that the issue is no longer reproducible on his
    machine - and whilst I do not understand the root cause, I am confident
    that the kernel code is correct as is our use.

    References: https://bugs.freedesktop.org/show_bug.cgi?id=61628

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