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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Intel driver crashes when undocking Lenovo T450s"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94250#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Intel driver crashes when undocking Lenovo T450s"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94250">bug 94250</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>Hmm. First thought is that the kernel returned an event for an operation that
failed, can you please quickly try with
diff --git a/src/sna/sna_dri2.c b/src/sna/sna_dri2.c
index fcfbd9d..7db6f61 100644
--- a/src/sna/sna_dri2.c
+++ b/src/sna/sna_dri2.c
@@ -1914,6 +1914,7 @@ sna_dri2_flip(struct sna_dri2_event *info)
return false;
}
+ assert(!info->queued);
if (!sna_page_flip(info->sna, bo, sna_dri2_flip_handler,
info->type == FLIP_ASYNC ? NULL : info))
return false;
and --enable-debug.</pre>
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