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<body><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> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW - [hsw] batchbuffer corruption switching windows with kwin egl composition enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88938">bug 88938</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Summary</td>
<td>Xorg hangs when switching windows with composition enabled
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<td>[hsw] batchbuffer corruption switching windows with kwin egl composition enabled
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [hsw] batchbuffer corruption switching windows with kwin egl composition enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88938#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [hsw] batchbuffer corruption switching windows with kwin egl composition enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88938">bug 88938</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>The batchbuffer is completely overwritten with pixel data. Can you please try
with i915.enable_ppgtt=2 on the kernel commandline? The bug should still happen
eventually but it will help narrow down the culprit.</pre>
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