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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - DP lost output after switching the terminal sometimes on Ivybridge plaform"
href="https://bugs.freedesktop.org/show_bug.cgi?id=63451#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - DP lost output after switching the terminal sometimes on Ivybridge plaform"
href="https://bugs.freedesktop.org/show_bug.cgi?id=63451">bug 63451</a>
from <span class="vcard"><a class="email" href="mailto:xiong.y.zhang@intel.com" title="XiongZhang <xiong.y.zhang@intel.com>"> <span class="fn">XiongZhang</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=63451#c1">comment #1</a>)
<span class="quote">> Just to check: When you the DP signal is lost, is there anything in the
> dmesg debug output about it? I somewhat expected a link training issue, but
> in the attached dmesg there's nothing ...</span >
Yes, when dp lost display, there isn't error mesg in dmesg. Once setting dp
from 1024 X 768 to 1920 X 1200 at 151.091982 in dmesg, then dp output nothing.
<span class="quote">>Also, if DP signal is lost, does
> it restore in a few seconds? If not, does unplugging and replugging the DP
> cable fix things?</span >
it will not restore in a few seconds.
But unplugging and replugging the DP cable can restore it.
thanks</pre>
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