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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [bisected] GDM Login screen doesn't show up on kernel 5.3 or later"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111966#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [bisected] GDM Login screen doesn't show up on kernel 5.3 or later"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111966">bug 111966</a>
from <span class="vcard"><a class="email" href="mailto:freedesktop201910@liggy.de" title="Torsten <freedesktop201910@liggy.de>"> <span class="fn">Torsten</span></a>
</span></b>
<pre>I'm having a similar issue as Masami and git bisect pointed to the same commit
36a0f92020dc8794d3aa69b7fb4c5d2bf99b0099, so I thought I just add my comment
here instead of raising a new bug.
My situation is a bit different as my server does not start GDM but stays on
the console, but starting with the commit that Masami mentioned, my console
always stays blank so I'm assuming the actual root cause for both our problems
is the same.
My board is an Asrock B250M-HDV with Pentium Gold G4560 CPU (HD Graphics 610),
running Debian 10.1 with stock x86_64 kernel and I noticed that the bug only
occurs with the board's VGA output, DVI was fine but is usually not available
to the server, HDMI could not be tested.
Testing with the latest available drm-tip (commit
0204e2b48f2a9ae8aff60393755f8164f2fa1038) the console stayed blank. The patch
from Masami worked successfully both on drm-tip and official 5.3.5.
For comparison I'm attaching dmesg debug output once with and once without fix.
The interesting part starts at [3.062539] on the broken dmesg and [3.071882] on
the dmesg with fix. Maybe the debug output makes more sense to someone else
than it does to me.</pre>
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