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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BXT/Iris] GPU hang in SynMark compute CSCloth"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111384">111384</a>
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<th>Summary</th>
<td>[BXT/Iris] GPU hang in SynMark compute CSCloth
</td>
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<th>Product</th>
<td>Mesa
</td>
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<th>Version</th>
<td>git
</td>
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>Drivers/Gallium/Iris
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<th>Assignee</th>
<td>intel-3d-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>eero.t.tamminen@intel.com
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<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
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</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=145036" name="attach_145036" title="i915 error state for GPU hang">attachment 145036</a> <a href="attachment.cgi?id=145036&action=edit" title="i915 error state for GPU hang">[details]</a></span>
i915 error state for GPU hang
Setup:
- BXT J4205
- ClearLinux (30730)
- drm-tip git kernel (0330b51e91)
- Mesa git (5ed4e31c08d)
- Weston git build
Test-case:
- 3x fullscreen FullHD SynMark CSCloth compute test-case (Wayland version):
synmark2 OglCSCloth
Actual outcome:
- Recoverable GPU hang:
-------------------------------
[ 8477.103209] i915 0000:00:02.0: GPU HANG: ecode 9:1:0x00000000, hang on rcs0
[ 8477.103216] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 8477.103217] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 8477.103219] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 8477.103220] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 8477.103222] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 8477.104241] i915 0000:00:02.0: Resetting rcs0 for hang on rcs0
[ 8477.105009] [drm:gen8_reset_engines [i915]] *ERROR* rcs0 reset request timed
out: {request: 00000001, RESET_CTL: 00000001}
-------------------------------
This is faster of the 2 SynMark compute tests.
I wasn't able to reproduce the hang after reboot when re-running just CSCloth
10 times, so it may depend on previous tests, or is just very hard to
reproduce.
I haven't seen such hangs with the i965 driver, and that test didn't hang on
SKL GT2 (another one did). I didn't see such hang when running similar
test-set month ago, so it can be a regression.</pre>
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