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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - AMD 7470m When VGA plugged into laptop, only one monitor working at a time"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99784#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - AMD 7470m When VGA plugged into laptop, only one monitor working at a time"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99784">bug 99784</a>
from <span class="vcard"><a class="email" href="mailto:lazanet96@gmail.com" title="lazanet96@gmail.com">lazanet96@gmail.com</a>
</span></b>
<pre>Problem persists with Ubuntu 17.10 / DRM 2.49.0 / 4.11.0-041100rc8-lowlatency,
LLVM 4.0.0
Tested all resolution options for all three of the monitors, and has been able
to output either on HDMI and VGA or HDMI and LVDS (internal). I have no idea
what else could I test (or which code could I look at). Would setting drm.debug
flag to 0x4 in GRUB provide some more relevant data?
Also, I have found this forum thread about the same issue, which dates from
2013: <a href="https://ubuntuforums.org/showthread.php?t=2194601">https://ubuntuforums.org/showthread.php?t=2194601</a></pre>
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