<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<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 --- - [SNB]IGT/gem_evict_alignment system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=68462">68462</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[SNB]IGT/gem_evict_alignment system hang
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
<tr>
<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>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=84495" name="attach_84495" title="dmesg">attachment 84495</a> <a href="attachment.cgi?id=84495&action=edit" title="dmesg">[details]</a></span>
dmesg
System Environment:
--------------------------
Platform: Sandybridge/Ivybridge/Haswell
Kernel:
(drm-intel-next-nightly)38a7ce25365492682031e0b68d249684f79de3d4(26b32d7
884020bf)
Bug detailed description:
-----------------------------
It causes system on sandybridge with -nightly, -queued,-fixes kernel.
It's a new case. It fails on haswell,ivybridge, ironlake.
gem_evict_everything also has this issue.
no output info on sandybridge.
Call trace:
[ 573.747870] [<f81841c4>] ? i915_gem_free_object+0x57/0x171 [i915]
[ 573.747971] [<f809cc27>] ? drm_gem_object_free+0x1a/0x1b [drm]
[ 573.748003] [<f809ce2c>] ?
drm_gem_object_handle_unreference_unlocked+0x8a/0xbc [drm]
[ 573.748044] [<f809cf17>] ? drm_gem_handle_delete+0x86/0x8e [drm]
[ 573.748076] [<f809cfcb>] ? drm_gem_dumb_destroy+0x7/0x7 [drm]
[ 573.748107] [<f809ba6d>] ? drm_ioctl+0x222/0x308 [drm]
[ 573.748136] [<f809cfcb>] ? drm_gem_dumb_destroy+0x7/0x7 [drm]
[ 573.748168] [<c02a5cd5>] ? page_add_new_anon_rmap+0x2f/0x8b
[ 573.748199] [<f809b84b>] ? drm_copy_field+0x47/0x47 [drm]
[ 573.749638] [<c02c051c>] ? vfs_ioctl+0x18/0x21
[ 573.751069] [<c02c0ee8>] ? do_vfs_ioctl+0x3ec/0x42c
[ 573.752490] [<c02b1744>] ? kmem_cache_free+0xb7/0xbe
[ 573.753904] [<c02b1744>] ? kmem_cache_free+0xb7/0xbe
[ 573.755297] [<c02c3520>] ? d_kill+0xb3/0xb9
[ 573.756673] [<c02c3520>] ? d_kill+0xb3/0xb9
[ 573.758047] [<c02c3520>] ? d_kill+0xb3/0xb9
[ 573.759413] [<c02c0f71>] ? SyS_ioctl+0x49/0x74
[ 573.760783] [<c08796fa>] ? sysenter_do_call+0x12/0x22
[ 573.762157] Code: f0 e8 60 e6 ff ff 8d 73 68 39 73 68 74 0f ba 60 0a 00 00
b8 cd ba 1c f8 e8 4f 79 0a c8 39 73 68 75 28 8b 43 78 8d 53 74 8b 4b 74 <89> 41
04 89 08 8b 87 70 13 00 00 89 97 70 13 00 00 81 c7 6c 13
[ 573.765297] EIP: [<f8183531>] i915_vma_unbind+0x118/0x144 [i915] SS:ESP
0068:f4cdfe20
[ 573.766798] CR2: 0000000000100104
[ 573.768290] ---[ end trace 4b1741a2c9657822 ]---
output on ironlake:
Test assertion failure function copy, file gem_evict_alignment.c:117:
Failed assertion: ret == error
Reproduce steps:
----------------------------
1. ./gem_evict_alignment</pre>
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