[Bug 61628] [ilk] Corrupted rendering of page previews in Firefox with >xf86-video-intel-2.20.18
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Mar 7 12:54:50 PST 2013
https://bugs.freedesktop.org/show_bug.cgi?id=61628
--- Comment #28 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to comment #27)
> (In reply to comment #22)
> > Thanks. In the meantime, I'm going to push the temporary workaround -
> > obviously I still hope to find the real bug.
>
> Is there a way I can help? Attach some debug info or test something?
If you change the define in src/sna/sna_accel.c:
diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c
index ae6d3c1..5edad51 100644
--- a/src/sna/sna_accel.c
+++ b/src/sna/sna_accel.c
@@ -57,7 +57,7 @@
#define FORCE_INPLACE 0
#define FORCE_FALLBACK 0
#define FORCE_FLUSH 0
-#define FORCE_FULL_SYNC 1 /*
https://bugs.freedesktop.org/show_bug.cgi?id=61628 */
+#define FORCE_FULL_SYNC 0
#define DEFAULT_TILING I915_TILING_X
that restores the buggy behaviour. If you can keep running with that patch and
with --enable-debug to check if any assertions are triggered and see how things
progress.
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