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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>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [855GM] i915 black screen on LVDS"
href="https://bugs.freedesktop.org/show_bug.cgi?id=85865">85865</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[855GM] i915 black screen on LVDS
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86 (IA32)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>orion@cora.nwra.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=108906" name="attach_108906" title="Xorg.0.log">attachment 108906</a> <a href="attachment.cgi?id=108906&action=edit" title="Xorg.0.log">[details]</a></span>
Xorg.0.log
Dell Latitude X300. On startup, X vt is completely black, no cursor.
3.17.2-300.fc21.i686
xorg-x11-drv-intel-2.99.916-2.fc21.i686
mesa-dri-drivers-10.3-1.20140927.fc21.i686
00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated
Graphics Device (rev 02) (prog-if 00 [VGA controller])
Subsystem: Dell Latitude X300
Flags: bus master, fast devsel, latency 0, IRQ 10
Memory at e8000000 (32-bit, prefetchable) [size=128M]
Memory at e0000000 (32-bit, non-prefetchable) [size=512K]
I/O ports at 1800 [size=8]
Expansion ROM at <unassigned> [disabled]
Capabilities: [d0] Power Management version 1
Kernel driver in use: i915
Kernel modules: i915
# dmesg | grep drm
[ 2.882322] [drm] Initialized drm 1.1.0 20060810
[ 3.316536] [drm] Memory usable by graphics device = 128M
[ 3.316544] [drm] Replacing VGA console driver
[ 3.320973] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 3.320981] [drm] Driver supports precise vblank timestamp query.
[ 3.386614] [drm:i9xx_set_fifo_underrun_reporting] *ERROR* pipe A underrun
[ 3.404587] [drm] initialized overlay support
[ 3.448627] [drm:i9xx_set_fifo_underrun_reporting] *ERROR* pipe A underrun
[ 3.484557] fbcon: inteldrmfb (fb0) is primary device
[ 4.204177] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[ 4.204795] [drm] Initialized i915 1.6.0 20140725 for 0000:00:02.0 on minor
0
[ 4.273772] [drm:i9xx_check_fifo_underruns] *ERROR* pipe B underrun
[ 4.314672] [drm:i9xx_set_fifo_underrun_reporting] *ERROR* pipe A underrun
[ 4.359447] [drm:i9xx_set_fifo_underrun_reporting] *ERROR* pipe A underrun
[ 6.576672] SELinux: initialized (dev drm, type drm), not configured for
labeling
[ 61.106599] [drm:i9xx_set_fifo_underrun_reporting] *ERROR* pipe A underrun
[ 61.150541] [drm:i9xx_set_fifo_underrun_reporting] *ERROR* pipe A underrun
[ 65.267186] [drm:i9xx_set_fifo_underrun_reporting] *ERROR* pipe A underrun
[ 65.267197] [drm:i8xx_irq_handler] *ERROR* pipe A underrun
[ 65.333986] [drm:i8xx_irq_handler] *ERROR* pipe A underrun</pre>
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