[Bug 90064] New: [BSW]igt/gem_exec_big sporadically fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90064

            Bug ID: 90064
           Summary: [BSW]igt/gem_exec_big sporadically fails
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: huax.lu at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 115146
  --> https://bugs.freedesktop.org/attachment.cgi?id=115146&action=edit
dmesg

==System Environment==
--------------------------
Regression: not sure

Non-working platforms: BSW

==kernel==
--------------------------
drm-intel-nightly/d600654ab94b325f253e267422dcf60302120ea0
commit d600654ab94b325f253e267422dcf60302120ea0
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Thu Apr 16 17:54:10 2015 +0200

    drm-intel-nightly: 2015y-04m-16d-15h-53m-28s UTC integration manifest

==Bug detailed description==
-----------------------------
It sporadically fails on BSW. it also has bug 90045.

output:
batch_size 1610612736, reloc_ofs 435945472
batch_size 1610612736, reloc_ofs 435949568
batch_size 1610612736, reloc_ofs 435953664
batch_size 1610612736, reloc_ofs 435957760
batch_size 1610612736, reloc_ofs 435961856
batch_size 1610612736, reloc_ofs 435965952
batch_size 1610612736, reloc_ofs 435970048
batch_size 1610612736, reloc_ofs 435974144
batch_size 1610612736, reloc_ofs 435978240
batch_size 1610612736, reloc_ofs 435982336
batch_size 1610612736, reloc_ofs 435986432
batch_size 1610612736, reloc_ofs 435990528
batch_size 1610612736, reloc_ofs 435994624
batch_size 1610612736, reloc_ofs 435998720
batch_size 1610612736, reloc_ofs 436002816
Test assertion failure function gem_execbuf, file ioctl_wrappers.c:445:
Failed assertion: result == 0
Last errno: 5, Input/output error
****  END  ****
FAIL (82.855s)

Dmesg:
[  100.130065] kworker/u8:2: page allocation failure: order:0, mode:0x204020
[  100.130077] CPU: 1 PID: 1024 Comm: kworker/u8:2 Tainted: G        W      
4.0.0_drm-intel-nightly_d60065_20150417+ #234
[  100.130123] Workqueue: i915-hangcheck i915_hangcheck_elapsed [i915]
[  100.130128]  0000000000000000 0000000000204020 ffffffff81795847
0000000000000000
[  100.130135]  ffffffff810d56d2 00000000ffffffff ffff88017fffac00
0000000000000001
[  100.130140]  0000000000000001 ffff88017fffa3e0 0000000000000000
0000000000000000
[  100.130146] Call Trace:
[  100.130159]  [<ffffffff81795847>] ? dump_stack+0x40/0x50
[  100.130167]  [<ffffffff810d56d2>] ? warn_alloc_failed+0x109/0x11b
[  100.130174]  [<ffffffff810d7c56>] ? __alloc_pages_nodemask+0x59e/0x6fc
[  100.130181]  [<ffffffff81104767>] ? alloc_pages_current+0xad/0xca
[  100.130188]  [<ffffffff81107fdd>] ? new_slab+0xba/0x278
[  100.130194]  [<ffffffff8179360a>] ? __slab_alloc+0x33c/0x44d
[  100.130223]  [<ffffffffa0107a42>] ? i915_error_object_create+0x160/0x359
[i915]
[  100.130252]  [<ffffffffa0107a42>] ? i915_error_object_create+0x160/0x359
[i915]
[  100.130259]  [<ffffffff811090c6>] ? kmem_cache_alloc_trace+0x5d/0xfb
[  100.130287]  [<ffffffffa0107a42>] ? i915_error_object_create+0x160/0x359
[i915]
[  100.130321]  [<ffffffffa00a7568>] ? i915_capture_error_state+0x1005/0x1471
[i915]
[  100.130357]  [<ffffffffa00aeeed>] ? i915_handle_error+0x7a/0x587 [i915]
[  100.130394]  [<ffffffffa00af75d>] ? i915_hangcheck_elapsed+0x325/0x3bf
[i915]
[  100.130402]  [<ffffffff8104ca7f>] ? process_one_work+0x1b2/0x31d
[  100.130409]  [<ffffffff8104d278>] ? worker_thread+0x24d/0x339
[  100.130415]  [<ffffffff8104d02b>] ? cancel_delayed_work_sync+0xa/0xa
[  100.130421]  [<ffffffff81050b25>] ? kthread+0xce/0xd6
[  100.130427]  [<ffffffff81050a57>] ? kthread_create_on_node+0x162/0x162
[  100.130433]  [<ffffffff8179b048>] ? ret_from_fork+0x58/0x90
[  100.130439]  [<ffffffff81050a57>] ? kthread_create_on_node+0x162/0x162
[  100.130443] Mem-Info:
[  100.130446] Node 0 DMA per-cpu:
[  100.130450] CPU    0: hi:    0, btch:   1 usd:   0
[  100.130454] CPU    1: hi:    0, btch:   1 usd:   0
[  100.130457] CPU    2: hi:    0, btch:   1 usd:   0
[  100.130461] CPU    3: hi:    0, btch:   1 usd:   0
[  100.130463] Node 0 DMA32 per-cpu:
[  100.130468] CPU    0: hi:  186, btch:  31 usd:   8
[  100.130471] CPU    1: hi:  186, btch:  31 usd:  30
[  100.130475] CPU    2: hi:  186, btch:  31 usd: 181
[  100.130478] CPU    3: hi:  186, btch:  31 usd:  38
[  100.130481] Node 0 Normal per-cpu:
[  100.130485] CPU    0: hi:  186, btch:  31 usd:  54
[  100.130488] CPU    1: hi:  186, btch:  31 usd:  46
[  100.130492] CPU    2: hi:  186, btch:  31 usd: 185
[  100.130495] CPU    3: hi:  186, btch:  31 usd:  35
[  100.130504] active_anon:10899 inactive_anon:852118 isolated_anon:0
[  100.130504]  active_file:4448 inactive_file:3561 isolated_file:0

==Reproduce steps==
---------------------------- 
1. ./gem_exec_big

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