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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [NVE6] MMIO FAULT, black screen on K2100M"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76319">76319</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[NVE6] MMIO FAULT, black screen on K2100M
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>blocker
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>d-bugzilla@moens.cc
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Component</th>
<td>Driver/nouveau
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=95999" name="attach_95999" title="# grep -n -i nouveau messages.out > messages.filtered">attachment 95999</a> <a href="attachment.cgi?id=95999&action=edit" title="# grep -n -i nouveau messages.out > messages.filtered">[details]</a></span>
# grep -n -i nouveau messages.out > messages.filtered
Experiencing a black screen when starting X on a Dell Precision M4800 QHD+
laptop (NVE6).
The internal screen size is 3200x1800 ; the DP-attached Dell UP2414Q measures
3840x2160.
The system is fully functional (ssh-enabled) and responds to VT switches
(CTRL-ALT-Fx), but all screens (X & VT) are black.
Sometimes (after a couple of minutes), I do notice a change in screen
brightness (power saving function ?).
- Fedora rawhide :
kernel-3.14.0-0.rc7.git0.1.fc21.x86_64
xorg-x11-server-Xorg-1.15.0-5.fc21.x86_64
xorg-x11-drv-nouveau-1.0.10-1.fc21.x86_64
- lscpi :
01:00.0 VGA compatible controller: NVIDIA Corporation GK106GLM [Quadro K2100M]
(rev a1)
- Kernel command line:
BOOT_IMAGE=/vmlinuz-rawhide-nouveau root=/dev/mapper/vg01-rootfs4 ro
rd.lvm.lv=vg01/rootfs4 vconsole.font=latarcyrheb-sun16 LANG=en_US.UTF-8
nouveau.debug=PDISP=debug,VBIOS=trace drm.debug=0xe
- Recompiled latest <a href="http://cgit.freedesktop.org/~darktama/nouveau/">http://cgit.freedesktop.org/~darktama/nouveau/</a> as of
2014-03-18.
In the attached messages.filtered, X is started at line 1170.
As I am trying for several weeks now to get this system in a usable shape (Dell
disabled Optimus in the BIOS, and there are VT issues with the nVidia binary
blob), I am fully willing to recompile & test whatever you can possibly throw
at me.</pre>
</div>
</p>
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