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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW] System will hang up when running lightsmark performance case"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89937">89937</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BSW] System will hang up when running lightsmark performance case
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</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>wendy.wang@intel.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>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=114916" name="attach_114916" title="dmesg_lightsmark_case">attachment 114916</a> <a href="attachment.cgi?id=114916&action=edit" title="dmesg_lightsmark_case">[details]</a></span>
dmesg_lightsmark_case
==System Environment==
--------------------------
Failed platform: Braswell
Kernel Regression: Yes, but cannot bisect.
Good commit: drm-intel-nightly branch 2015-04-02
a8ae893a17d719d324779cfbacd6eac28356c62f
Bad commit: drm-intel-nightly branch 33cf6eed7cae0ee2d6bb1b4c4d421b94f84fc13
Try to do the bisect on drm-intel-next-queued branch, find from 2015-04-02 to
the latest, all the commit will fail.
After case fail ,check with dmesg will see Call Trace:
Call Trace:
[ 171.452136] [<ffffffffa0098893>] ?
i915_gem_object_move_to_inactive+0xa0/0x1f4 [i915]
[ 171.457018] [<ffffffffa009a5f8>] ? i915_gem_retire_requests_ring+0x96/0x15b
[i915]
[ 171.461894] [<ffffffffa00927f9>] ? i915_gem_execbuffer_reserve+0x25/0x2e3
[i915]
[ 171.466819] [<ffffffffa0093086>] ?
i915_gem_do_execbuffer.isra.12+0x5cf/0xd6d [i915]
[ 171.471784] [<ffffffffa009e53d>] ? i915_gem_pwrite_ioctl+0x75b/0x7e1 [i915]
[ 171.476758] [<ffffffffa009bbd4>] ?
i915_gem_object_set_to_gtt_domain+0xc7/0x158 [i915]
[ 171.481741] [<ffffffff8110949a>] ? __kmalloc+0x65/0x13d
[ 171.486751] [<ffffffffa00947de>] ? i915_gem_execbuffer2+0x16e/0x208 [i915]
[ 171.491806] [<ffffffffa00047d4>] ? drm_ioctl+0x344/0x3b3 [drm]
[ 171.496871] [<ffffffffa0094670>] ? i915_gem_execbuffer+0x339/0x339 [i915]
[ 171.501899] [<ffffffff816d1793>] ? sock_poll+0xf9/0xf9
[ 171.506887] [<ffffffff8105ede9>] ? set_next_entity+0x32/0x55
[ 171.511872] [<ffffffff8111dab6>] ? do_vfs_ioctl+0x360/0x424
[ 171.516857] [<ffffffff81124dee>] ? __fget_light+0x12/0x54
[ 171.521837] [<ffffffff8111dbc3>] ? SyS_ioctl+0x49/0x7a
[ 171.526773] [<ffffffff8179aff2>] ? system_call_fastpath+0x12/0x17
[ 171.531725] Code: de 48 89 ef e8 7b 30 00 00 5a 89 de 4c 89 e7 5b 5d 41 5c
41 5d e9 56 f7 ff ff 41 55 41 89 f5 41 54 55 53 48 89 fb 51 48 8b 6f 08 <8b> 45
60 4c 8b 65 28 ff c8 75 1a 48 c7 c2 63 50 12 a0 be cd 00
[ 171.537233] RIP [<ffffffffa00d9912>] intel_fb_obj_flush+0x11/0x94 [i915]
[ 171.542549] RSP <ffff88007484fbb8>
[ 171.588159] ---[ end trace f1bbb3a340d40ca4 ]---
Reproduce Steps:
1. cd
/usr/local/games/OpenGL/lightsmark-1.2.0/Lightsmark2008.2.0/bin/pc-linux64
2. vblank_mode=0 ./backend silent 1920x1080</pre>
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