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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [HD Graphics 4000] Garbage on screen on Samsung NP900X3E-A02"
href="https://bugs.freedesktop.org/show_bug.cgi?id=64332#c31">Comment # 31</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [HD Graphics 4000] Garbage on screen on Samsung NP900X3E-A02"
href="https://bugs.freedesktop.org/show_bug.cgi?id=64332">bug 64332</a>
from <span class="vcard"><a class="email" href="mailto:ben@bwidawsk.net" title="Ben Widawsky <ben@bwidawsk.net>"> <span class="fn">Ben Widawsky</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=64332#c28">comment #28</a>)
<span class="quote">> What information can I provide? I'll attach the reg dump and dmesg.
> (After I reboot, now, I get "Couldn't map MMIO region: Resource temporarily
> unavailable". I did boot with drm.debug=0xe and i915.i915_enable_fbc=0. From
> other bugs, might be the case that my intel_reg_dumper is to old?)
> </span >
Is this with the latest intel-gpu-tools
(<a href="http://cgit.freedesktop.org/xorg/app/intel-gpu-tools">http://cgit.freedesktop.org/xorg/app/intel-gpu-tools</a>)?
You have to be root to run the dumper IIRC.
Also, please try quick_dump if the above won't work. From the clone directory:
sudo ./tools/quick_dump/quick_dump.py -a</pre>
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