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<base href="https://bugs.freedesktop.org/" />
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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 --- - [NV98] On recent Linux kernel (3.13 and 3.14), the GPU locks up around the time an X server starts"
href="https://bugs.freedesktop.org/show_bug.cgi?id=77586">77586</a>
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<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[NV98] On recent Linux kernel (3.13 and 3.14), the GPU locks up around the time an X server starts
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
</tr>
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<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Reporter</th>
<td>jkloos@mpi-sws.org
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
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<th>Component</th>
<td>Driver/nouveau
</td>
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<th>Product</th>
<td>xorg
</td>
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<pre>Created <span class=""><a href="attachment.cgi?id=97525" name="attach_97525" title="dmesg output, as of running Linux 3.14">attachment 97525</a> <a href="attachment.cgi?id=97525&action=edit" title="dmesg output, as of running Linux 3.14">[details]</a></span>
dmesg output, as of running Linux 3.14
On my laptop, the GPU reproducably locks up when booting Linux 3.13 or 3.14.
Hardware set-up:
* NV98; lspci gives
VGA compatible controller: NVIDIA Corporation G98M [Quadro NVS 160M] (rev a1)
* Dual-head set-up. One connected monitor is the laptop screen, the other
is an HDMI monitor.
* x86-64 system (Dell Latitude E6400)
Software:
* The attached dmesg is from running Linux 3.14.1, as downloaded from
kernel.org. I have applied a small patch as suggested by
RSpliet and xexaxo^ on IRC.
* libdrm: Installed from Debian unstable, package version: libdrm-nouveau2
2.4.52-1
* Xorg: Also from Debian unstable, package version: 1:7.7+1 (i.e., Xorg 7.7).
Error description: During boot-up, an X server seems to start up. The
X server process is running, and the system switches to a fresh VT, but
it seems that graphics are not initialized at all, and the X server is stuck.
In particular, nothing remotely resembling a gdm session shows up, and the
keyboard is not responsive (except Magic Sysrq).
When switching to a console, a kernel message about a GPU lockup (see dmesg)
appears.
Furthermore, booting the system with an old kernel (verified for Linux 3.2.42,
using an old Debian package), X starts up normally.
Attached: dmesg output. I will add further information in additional messages.</pre>
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