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<body><span class="vcard"><a class="email" href="mailto:dex+fdobugzilla@dragonslave.de" title="Daniel Exner <dex+fdobugzilla@dragonslave.de>"> <span class="fn">Daniel Exner</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW - xorg black screen after monitor power off, AMD r9 270X, aoc u2868pqu, displayport"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90987">bug 90987</a>
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<td>dex+fdobugzilla@dragonslave.de
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - xorg black screen after monitor power off, AMD r9 270X, aoc u2868pqu, displayport"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90987#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - xorg black screen after monitor power off, AMD r9 270X, aoc u2868pqu, displayport"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90987">bug 90987</a>
from <span class="vcard"><a class="email" href="mailto:dex+fdobugzilla@dragonslave.de" title="Daniel Exner <dex+fdobugzilla@dragonslave.de>"> <span class="fn">Daniel Exner</span></a>
</span></b>
<pre>I can confirm the same effect for R9 270X + Dell U3415W connected via
DisplayPort.
The other monitor (Dell 2007WFP) connected via DVI works fine.
Latest kernel tested: 4.5.0-rc3-00071-g17a5cd3
Don't know if its related but I also see this every boot:
radeon 0000:01:00.0: Invalid PCI ROM header signature: expecting 0xaa55, got
0x8b00
[drm:si_dpm_set_power_state [radeon]] *ERROR*
si_restrict_performance_levels_before_switch failed
Also note that this is the same card as in #76490.</pre>
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