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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [IVB CPU eDP] local flat panel stays blank, workaround: intel_iommu=igfx_off"
href="https://bugs.freedesktop.org/show_bug.cgi?id=48652#c125">Comment # 125</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [IVB CPU eDP] local flat panel stays blank, workaround: intel_iommu=igfx_off"
href="https://bugs.freedesktop.org/show_bug.cgi?id=48652">bug 48652</a>
from <span class="vcard"><a class="email" href="mailto:jani.nikula@intel.com" title="Jani Nikula <jani.nikula@intel.com>"> <span class="fn">Jani Nikula</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=48652#c124">comment #124</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=87441" name="attach_87441" title="dmesg-3.12.0-rc4-00468-g16b4e9b">attachment 87441</a> <a href="attachment.cgi?id=87441&action=edit" title="dmesg-3.12.0-rc4-00468-g16b4e9b">[details]</a></span>
> dmesg-3.12.0-rc4-00468-g16b4e9b
>
> Start with previously attached VGA. Both displays seems to be detected, and
> listed by xrandr. But DP is blank with backlight on.</span >
And does intel_iommu=igfx_off still fix this? If it does, please attach the
dmesg for that too. Thanks.</pre>
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