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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BDW]igt/gem_evict_alignment/ major-hang sporadically causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88685">88685</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BDW]igt/gem_evict_alignment/ major-hang sporadically causes system hang
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>critical
</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>huax.lu@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>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=112634" name="attach_112634" title="dmesg">attachment 112634</a> <a href="attachment.cgi?id=112634&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: not sure, fail rate:2/4
no-working platforms: BDW
==kernel==
--------------------------
drm-intel-nightly/d6bc7a6a0a7573350e8be8ec54002c20d1dbe1e0
commit d6bc7a6a0a7573350e8be8ec54002c20d1dbe1e0
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Tue Jan 20 15:10:59 2015 +0100
drm-intel-nightly: 2015y-01m-20d-14h-10m-40s UTC integration manifest
==Bug detailed description==
-----------------------------
It causes system on BDW drm-intel-nightly kernel.Fail rate: 2/4.
The call trace is similar with <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW Regression]igt/gem_evict_everything/major-hang causes system hang"
href="show_bug.cgi?id=88652">bug 88652</a>.
root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./gem_evict_alignment --run-subtest major-hang
IGT-Version: 1.9-g3d65ff7 (x86_64) (Linux:
3.19.0-rc4_drm-intel-nightly_d6bc7a_20150121+ x86_64)
Test requirement not met in function intel_require_memory, file intel_os.c:244:
Test requirement: !(total <= required)
Estimated that we need 12884905984 bytes for the test, but only have 3916431360
bytes available (RAM)
Subtest major-hang: SKIP (0.014s)
root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./gem_evict_alignment --run-subtest major-hang
Call Trace:
[ 289.615019] [<ffffffff813ff889>] ? scsi_host_alloc_command+0x3e/0x9e
[ 289.618221] [<ffffffff813ff9dd>] ? scsi_get_command+0x16/0x128
[ 289.621397] [<ffffffff81407768>] ? scsi_prep_fn+0x58/0x139
[ 289.624559] [<ffffffff81325efc>] ? blk_peek_request+0xf7/0x216
[ 289.627711] [<ffffffff81407b3b>] ? scsi_request_fn+0x2f/0x5cc
[ 289.630881] [<ffffffff813235a4>] ? __blk_run_queue+0x29/0x31
[ 289.634054] [<ffffffff813265cd>] ? blk_queue_bio+0x27d/0x2bc
[ 289.637234] [<ffffffff81324533>] ? generic_make_request+0x93/0xd0
[ 289.640396] [<ffffffff8132466f>] ? submit_bio+0xff/0x11d
[ 289.643539] [<ffffffff8113a9b1>] ? _submit_bh+0x104/0x122
[ 289.646636] [<ffffffff8113ade5>] ? ll_rw_block+0x6d/0x77
[ 289.649693] [<ffffffff8113b9da>] ? __breadahead+0x2c/0x40
[ 289.652736] [<ffffffff811b81f9>] ? __ext4_get_inode_loc+0x287/0x396
[ 289.655748] [<ffffffff811ba217>] ? ext4_iget+0x58/0x8e4
[ 289.658720] [<ffffffff8110e859>] ? kmem_cache_alloc+0x27/0x113
[ 289.661678] [<ffffffff811c28ac>] ? ext4_lookup+0xce/0x12d
[ 289.664621] [<ffffffff8111b1ca>] ? lookup_real+0x23/0x3d
[ 289.667550] [<ffffffff8111baaf>] ? __lookup_hash+0x2a/0x31
[ 289.670461] [<ffffffff8111bfee>] ? lookup_slow+0x3c/0xa2
[ 289.673357] [<ffffffff8111e407>] ? link_path_walk+0x227/0x74a
[ 289.676263] [<ffffffff8110e859>] ? kmem_cache_alloc+0x27/0x113
[ 289.679142] [<ffffffff8111f671>] ? path_openat+0x1e4/0x560
[ 289.681996] [<ffffffff81120577>] ? do_filp_open+0x2b/0x6f
[ 289.684822] [<ffffffff81117cfb>] ? do_open_execat+0x7b/0x138
[ 289.687643] [<ffffffff81117dde>] ? open_exec+0x26/0x2b
[ 289.690458] [<ffffffff81151ba4>] ? load_elf_binary+0x157/0x15af
[ 289.693234] [<ffffffff811186cd>] ? copy_strings.isra.24+0x247/0x29a
[ 289.695975] [<ffffffff811187c7>] ? search_binary_handler+0x71/0x17a
[ 289.698656] [<ffffffff8111989a>] ? do_execveat_common.isra.29+0x46d/0x641
[ 289.701306] [<ffffffff81119a91>] ? do_execve+0x23/0x28
[ 289.703906] [<ffffffff81119c95>] ? SyS_execve+0x23/0x2a
[ 289.706511] [<ffffffff8179f529>] ? stub_execve+0x69/0xa0
[ 289.709086] Code: e9 4d 89 f8 4c 89 f1 48 89 ea 48 89 de 41 ff 14 24 49 83
c4 10 49 83 3c 24 00 eb 36 eb 38 49 63 44 24 20 4d 8b 04 24 48 8d 4a 01 <48> 8b
5c 05 00 48 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 0f 85 78
[ 289.712062] RIP [<ffffffff8110e90b>] kmem_cache_alloc+0xd9/0x113
[ 289.714785] RSP <ffff8801442f7668>
[ 289.717511] ---[ end trace c5be55bf5fe86734 ]---
==Reproduce steps==
----------------------------
1../gem_evict_alignment --run-subtest major-hang</pre>
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