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<body><span class="vcard"><a class="email" href="mailto:lakshminarayana.vudum@intel.com" title="Lakshmi <lakshminarayana.vudum@intel.com>"> <span class="fn">Lakshmi</span></a>
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<a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - two external screens permanently go blank on HP EliteBook Folio G1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108462">bug 108462</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Severity</td>
<td>normal
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<td>major
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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - two external screens permanently go blank on HP EliteBook Folio G1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108462#c80">Comment # 80</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - two external screens permanently go blank on HP EliteBook Folio G1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108462">bug 108462</a>
from <span class="vcard"><a class="email" href="mailto:lakshminarayana.vudum@intel.com" title="Lakshmi <lakshminarayana.vudum@intel.com>"> <span class="fn">Lakshmi</span></a>
</span></b>
<pre>(In reply to Johannes Berg from <a href="show_bug.cgi?id=108462#c79">comment #79</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=145242" name="attach_145242" title="requested dmesg from new drm-tip commit 244c5c8116c0042d61455697a9d85e899e2d9267">attachment 145242</a> <a href="attachment.cgi?id=145242&action=edit" title="requested dmesg from new drm-tip commit 244c5c8116c0042d61455697a9d85e899e2d9267">[details]</a></span>
> requested dmesg from new drm-tip commit
> 244c5c8116c0042d61455697a9d85e899e2d9267
>
> This is from drm-tip 244c5c8116c0042d61455697a9d85e899e2d9267 that I
> compiled the other day, sorry for the delay.
>
> Nothing really stands out in the log though.
>
> Remember this is now with the second external display turned off, as gdm3
> disabled both external displays on this kernel and only one came back after
> logging in - nothing really is shown though in the log pertaining to this.</span >
Thanks. I can see underruns from the logs. *ERROR* CPU pipe B FIFO underrun.
Can you please attach the same logs with kernel parameters drm.debug=0x1e
log_buf_len=4M. This will show more information about he issue.</pre>
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