<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [bisected ivb] Small black box corruption in firefox" href="https://bugs.freedesktop.org/show_bug.cgi?id=68410#c33">Comment # 33</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [bisected ivb] Small black box corruption in firefox" href="https://bugs.freedesktop.org/show_bug.cgi?id=68410">bug 68410</a> from <a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> Chris Wilson</a> <pre>I would not say it was a missing flush - just some operation is not as pipelined as intended and requires a top-of-pipe synchronisation. To test that possibility, can you grab commit c3fe60c15763c02b3b6238c77e6350d478cd8982 Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> Date: Sun Oct 6 17:27:22 2013 +0100 sna/gen7: Add a always-stall debug option References: <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [bisected ivb] Small black box corruption in firefox" href="show_bug.cgi?id=68410">https://bugs.freedesktop.org/show_bug.cgi?id=68410</a> Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> and then set diff --git a/src/sna/gen7_render.c b/src/sna/gen7_render.c index 9fac7b0f..b678974 100644 --- a/src/sna/gen7_render.c +++ b/src/sna/gen7_render.c @@ -46,7 +46,7 @@ #include "gen4_vertex.h" #define ALWAYS_FLUSH 0 -#define ALWAYS_STALL 0 +#define ALWAYS_STALL 1 #define NO_COMPOSITE 0 #define NO_COMPOSITE_SPANS 0</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>