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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Hang during boot when DPM is on (R9 270X)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76490#c26">Comment # 26</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Hang during boot when DPM is on (R9 270X)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76490">bug 76490</a>
from <span class="vcard"><a class="email" href="mailto:alexdeucher@gmail.com" title="Alex Deucher <alexdeucher@gmail.com>"> <span class="fn">Alex Deucher</span></a>
</span></b>
<pre>(In reply to dex+fdobugzilla from <a href="show_bug.cgi?id=76490#c25">comment #25</a>)
<span class="quote">>
> Could this have something todo with the card having 4Gb of VRAM?</span >
Doubtful. More likely the card requires special some voltage tweaks for the
higher mclks.
Can you attach a copy of your vbios?
(as root)
(use lspci to get the bus id)
cd /sys/bus/pci/devices/<pci bus id>
echo 1 > rom
cat rom > /tmp/vbios.rom
echo 0 > rom</pre>
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