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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Heavy black flickering with Intel graphics after VT switching to Mir from X"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88944#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Heavy black flickering with Intel graphics after VT switching to Mir from X"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88944">bug 88944</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>Please attach a drm.debug=0xf dmesg from across the VT switch. Something like:
In X, "echo 0xf > /sys/module/drm/parameters/debug ; sleep 10; echo 0 >
/sys/module/drm/parameters/debug"
VT switch to Mir
wait 10 second to capture the flicker
VT switch to X
dmesg && attach</pre>
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