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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BSW Regression]igt/drv_hangman/error-state-capture-blt causes "[drm:i915_context_is_banned] *ERROR* gpu hanging too fast, banning!" sporadically"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81374">81374</a>
</td>
</tr>
<tr>
<th>Keywords</th>
<td>bisect_pending
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BSW Regression]igt/drv_hangman/error-state-capture-blt causes "[drm:i915_context_is_banned] *ERROR* gpu hanging too fast, banning!" sporadically
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jinxianx.guo@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</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>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=102832" name="attach_102832" title="dmesg">attachment 102832</a> <a href="attachment.cgi?id=102832&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: Yes
On commit of -next-queued(91565c85b66db820f01894a971d39aaef60c4325)
The fail rate about 1 out of 2
Non-working platforms: BSW
==kernel==
--------------------------
origin/drm-intel-nightly: 2a38e1bcd4dc9523cd723291340226d139bece1b(fails)
drm-intel-nightly: 2014y-07m-14d-23h-18m-30s integration manifest
origin/drm-intel-next-queued: ebcdf5276e6e2ddef6a4fd7716684030301a6fed(fails)
drm/i915: Handle failure to kick out a conflicting fb driver
origin/drm-intel-fixes: c6930992948adf0f8fc1f6ff1da51c5002a2cf95(fails)
Revert "drm/i915: reverse dp link param selection, prefer fast over wide
again"
==Bug detailed description==
igt/drv_hangman/error-state-capture-blt causes "[drm:i915_context_is_banned]
*ERROR* gpu hanging too fast, banning!" sporadically
Output:
[root@x-bsw01 tests]# ./drv_hangman --run-subtest error-state-capture-blt
IGT-Version: 1.7-ge74dd22 (x86_64) (Linux:
3.16.0-rc5_drm-intel-nightly_2a38e1_20140715+ x86_64)
Test assertion failure function gem_execbuf, file ioctl_wrappers.c:428:
Failed assertion: ret == 0
Last errno: 5, Input/output error
Subtest error-state-capture-blt: FAIL
[root@x-bsw01 tests]# dmesg -r|egrep "<[1-3>]"|grep drm
<3>[ 180.759598] [drm:i915_context_is_banned] *ERROR* gpu hanging too fast,
banning!
On fixes branch, the failure and error message is difference
Output:
[root@x-bsw01 tests]# ./drv_hangman --run-subtest error-state-capture-blt
IGT-Version: 1.7-ge74dd22 (x86_64) (Linux:
3.16.0-rc5_drm-intel-fixes_c69309_20140715+ x86_64)
Test assertion failure function gem_quiescent_gpu, file drmtest.c:153:
Failed assertion: drmIoctl((fd), ((((1U) << (((0+8)+8)+14)) | ((('d')) <<
(0+8)) | (((0x40 + 0x29)) << 0) | ((((sizeof(struct
drm_i915_gem_execbuffer2)))) << ((0+8)+8)))), (&execbuf)) == 0
Last errno: 5, Input/output error
Subtest error-state-capture-blt: FAIL
[root@x-bsw01 tests]# dmesg -r|egrep ""<[1-3>]""|grep drm
<3>[ 134.207607] [drm:__vlv_force_wake_get] *ERROR* Timed out: Render
forcewake old ack to clear.
<3>[ 134.217607] [drm:__vlv_force_wake_get] *ERROR* Timed out: Media forcewake
old ack to clear.
==Reproduce steps==
----------------------------
1. ./drv_hangman --run-subtest error-state-capture-blt</pre>
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