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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ILK Regression]igt/gem_suspend/fence-restore-untiled causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67511">67511</a>
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</tr>
<tr>
<th>CC</th>
<td>xunx.fang@intel.com, yangweix.shui@intel.com
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[ILK Regression]igt/gem_suspend/fence-restore-untiled causes system hang
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.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>huax.lu@intel.com
</td>
</tr>
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<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
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<th>Product</th>
<td>DRI
</td>
</tr></table>
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<pre>System Environment:
--------------------------
Platform: Ironlake
Kernel: (drm-intel-next-queued)fae5cbff3e3e4097de2e76178d462b90626c2bdb
Bug detailed description:
-----------------------------
It causes system hang on ironlake with -queued, -fixes, -nightly kernel.
The latest known good commit:d861e3387650296f1fca2a4dd0dcd380c8fdddad.
The latest known bad commit: 3b27af3560f3cfe4e09171024515fa304ebae93b
output:
rtcwake: wakeup from "mem" using /dev/rtc0 at Tue Jul 30 02:46:39 2013
dmesg:
[ 146.062106] console [netcon0] enabled
[ 146.105912] netconsole: network logging started
[ 146.710959] console [netcon0] enabled
[ 146.754781] netconsole: network logging started
[ 163.758369] [drm:i915_driver_open],
[ 163.801444] [drm:intel_crtc_cursor_set], cursor off
[ 163.860075] [drm:intel_crtc_set_config], [CRTC:3] [FB:35] #connectors=1 (x
y) (0 0)
[ 163.951996] [drm:intel_modeset_stage_output_state], [CONNECTOR:7:VGA-1] to
[CRTC:3]
[ 164.043930] [drm:intel_crtc_cursor_set], cursor off
[ 164.102627] [drm:intel_crtc_set_config], [CRTC:5] [NOFB]
[ 164.166476] [drm:intel_modeset_stage_output_state], [CONNECTOR:7:VGA-1] to
[CRTC:3]
[ 164.258379] [drm:i915_driver_open],
[ 164.448192] PM: Syncing filesystems ... done.
[ 164.500798] PM: Preparing system for mem sleep
[ 164.554220] Freezing user space processes ... (elapsed 0.001 seconds) done.
[ 164.639288] Freezing remaining freezable tasks ... (elapsed 0.001 seconds)
done.
[ 164.729662] PM: Entering mem sleep
[ 164.770492] Suspending console(s) (use no_console_suspend to debug)
[ 164.845552] hpet1: lost 2 rtc interrupts
[ 164.892579] hpet1: lost 2 rtc interrupts
[ 164.939584] hpet1: lost 2 rtc interrupts
[ 164.986591] hpet1: lost 2 rtc interrupts
[ 165.033598] hpet1: lost 2 rtc interrupts
[ 165.080622] hpet1: lost 2 rtc interrupts
[ 165.127635] hpet1: lost 2 rtc interrupts
[ 165.174621] hpet1: lost 2 rtc interrupts
[ 165.221628] hpet1: lost 2 rtc interrupts
[ 165.268635] hpet1: lost 2 rtc interrupts
Reproduce steps:
----------------------------
1. ./gem_suspend --run-subtest fence-restore-untiled</pre>
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