<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_REOPENED " title="REOPENED --- - [sna suse] ddx assertion hits" href="https://bugs.freedesktop.org/show_bug.cgi?id=70461#c31">Comment # 31</a> on <a class="bz_bug_link bz_status_REOPENED " title="REOPENED --- - [sna suse] ddx assertion hits" href="https://bugs.freedesktop.org/show_bug.cgi?id=70461">bug 70461</a> from <a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> Chris Wilson</a> <pre>Spotted one very minor issue that could have lead to that assertion. commit 2f99070708ce8f591c31e1e908809a0ce551c13f Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> Date: Mon Feb 10 14:19:53 2014 +0000 sna: Clear GPU damage flag for 1x1 writes onto a clear buffer An optimisation for 1x1 reads of a clear buffer lead to a bug whereby the damage for a 1x1 write would not be tracked correctly (conflicting full GPU damage vs partial CPU damage). Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> Having found one path that could generate the assertion, I'm less confident that they are no others...</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>