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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Second screen black on Pitcairn PRO"
href="https://bugs.freedesktop.org/show_bug.cgi?id=64850#c16">Comment # 16</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Second screen black on Pitcairn PRO"
href="https://bugs.freedesktop.org/show_bug.cgi?id=64850">bug 64850</a>
from <span class="vcard"><a class="email" href="mailto:flocke@shadowice.org" title="Jakob Nixdorf <flocke@shadowice.org>"> <span class="fn">Jakob Nixdorf</span></a>
</span></b>
<pre>I checkt again when the second monitor is switched off.
I booted with radeon.modeset=0, which caused the radeon module to not be loaded
since I don't have UMS support in my kernel. With this both monitors work and I
can get a TTY on both.
But as soon as I run 'modprobe -v radeon modeset=1' the second monitor is
switched off to black.</pre>
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