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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - LVDS doesn't come back after "xrandr --output LVDS1 --off; xrandr --output LVDS1 --auto""
href="https://bugs.freedesktop.org/show_bug.cgi?id=61642#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - LVDS doesn't come back after "xrandr --output LVDS1 --off; xrandr --output LVDS1 --auto""
href="https://bugs.freedesktop.org/show_bug.cgi?id=61642">bug 61642</a>
from <span class="vcard"><a class="email" href="mailto:cworth@cworth.org" title="Carl Worth <cworth@cworth.org>"> <span class="fn">Carl Worth</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=61642#c1">comment #1</a>)
<span class="quote">> Just to confirm, is the external monitor required to reproduce this? (FWIW I
> can't reproduce this on an x220T with/without an external monitor.)</span >
I hadn't tested this previously, but apparently yes.
I just verified that I could not reproduce the bug without the
external monitor, but then immediately after adding the monitor (via
DisplayPort) the same commands showed the bug.
<span class="quote">> It smells a bit like a kernel issue to me. Please provide a dmesg with
> drm.debug=0xe module parameter, preferably running the 3.8 kernel,
> exhibiting the xrandr --off, --auto, --mode, --auto sequence.</span >
I'll follow up with that output shortly.
Thanks,
-Carl</pre>
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