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<th>Priority</th>
<td>medium
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - 2.99.905 segfaults when switching to custom modeline resolution"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70835">70835</a>
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<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
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<th>Summary</th>
<td>2.99.905 segfaults when switching to custom modeline resolution
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
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<th>OS</th>
<td>All
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<th>Reporter</th>
<td>jaylittle@jaylittle.com
</td>
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<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Component</th>
<td>Driver/intel
</td>
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<th>Product</th>
<td>xorg
</td>
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<pre>Created <span class=""><a href="attachment.cgi?id=88074" name="attach_88074" title="XOrg log - contains details of the crash after I switch resolutions">attachment 88074</a> <a href="attachment.cgi?id=88074&action=edit" title="XOrg log - contains details of the crash after I switch resolutions">[details]</a></span>
XOrg log - contains details of the crash after I switch resolutions
The new 2.99.905 snapshot intel driver from git crashes on me whenever I
attempt to switch to a resolution created via a custom modeline on my System 76
gazp9 laptop. My modelines are specified via an xorg.conf file:
Modeline "1600x900" 119.00 1600 1696 1864 2128 900 901 904 932 -HSync
+Vsync
Modeline "1440x900" 106.50 1440 1528 1672 1904 900 903 909 934 -hsync +vsync
Modeline "1368x768" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync
Modeline "1280x1024" 109.00 1280 1368 1496 1712 1024 1027 1034 1063 -hsync
+vsync
Modeline "1280x720" 74.50 1280 1344 1472 1664 720 723 728 748 -hsync +vsync
Modeline "1024x640" 52.25 1024 1072 1168 1312 640 643 649 665 -hsync +vsync
When I log in with 2.99.905 (GDM is always configured to use the system's
native resolution) and my cinnamon session is configured to use the native
resolution of the LCD, everything works fine. Until I try to switch to a
resolution like 1600x900. Then X crashes and produces the output at the end of
the attached log file.
Prior to trying 2.99.905 I was using this commit:
<a href="http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=db086d02affe5109202dc9ee06c9e728a3ff0f3f">http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=db086d02affe5109202dc9ee06c9e728a3ff0f3f</a>
That version worked fine. Now I haven't tried all the commit versions, but it
doesn't work when I try this one:
<a href="http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=d788b69fdb5ea73b1d283a89e53b2b19eaa90e6e">http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=d788b69fdb5ea73b1d283a89e53b2b19eaa90e6e</a>
So that narrows down to around 10 different commits.
Thanks in advance for the assistance. Also let me take this opportunity to say
how much I appreciate the team's work on this driver. The Haswell
implementation has really come a long way and your efforts thus far have been
most appreciated!</pre>
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