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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - desktop freeze gpu hang code X_ecode_7:0x85fffffd and/or X_ecode_7:0x97f4fffe"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89467#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - desktop freeze gpu hang code X_ecode_7:0x85fffffd and/or X_ecode_7:0x97f4fffe"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89467">bug 89467</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>Could you see if this makes the X hangs go away:
xf86-video-intel:
diff --git a/src/sna/kgem.c b/src/sna/kgem.c
index a5571aa..adf52d6 100644
--- a/src/sna/kgem.c
+++ b/src/sna/kgem.c
@@ -83,7 +83,7 @@ search_snoop_cache(struct kgem *kgem, unsigned int num_pages,
unsigned flags);
#define DBG_NO_FAST_RELOC 0
#define DBG_NO_HANDLE_LUT 0
#define DBG_NO_WT 0
-#define DBG_NO_WC_MMAP 0
+#define DBG_NO_WC_MMAP 1
#define DBG_DUMP 0
#define DBG_NO_MALLOC_CACHE 0</pre>
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