[Bug 90254] New: [BDW]Igt/gem_pwrite subcase huge-gtt causes Call trace

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90254

            Bug ID: 90254
           Summary: [BDW]Igt/gem_pwrite  subcase huge-gtt causes Call
                    trace
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: yex.tian at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 115471
  --> https://bugs.freedesktop.org/attachment.cgi?id=115471&action=edit
dmesg info

==System Environment==       
-----------------------------------------------------
Regression: not sure, new cases
Non-working platforms: BDW

==Kernel==
--------------------------------------------------
commit e53e600256f948b442adf040a54e8e5b1afbe126
Author: Jani Nikula <jani.nikula at intel.com>
Date:   Wed Apr 29 14:51:16 2015 +0300

    drm-intel-nightly: 2015y-04m-29d-11h-50m-31s UTC integration manifest

==Bug detailed description==
--------------------------------------------------
Igt/gem_pwrite subtest huge-gtt causes Call trace.

other sub case timeout.
igt at gem_pwrite@big-cpu 
igt at gem_pwrite@big-gtt 
igt at gem_pwrite@huge-cpu 


output:
--------------------
root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# time ./gem_pwrite
--run-subtest huge-gtt
IGT-Version: 1.10-gfc69bb0 (x86_64) (Linux:
4.1.0-rc1_drm-intel-nightly_e53e60_20150430+x86_64)
Killed

real    0m27.834s
user    0m0.001s
sys     0m27.791s

root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# time ./gem_pwrite
--run-su                                                                       
        btest big-cpu
IGT-Version: 1.10-gfc69bb0 (x86_64) (Linux: 4.1.0-rc1_kcloud_475ff0_20150430+
x86_64)
^C
real    25m30.037s
user    0m0.002s
sys     0m0.001s

==dmesg info==
------------------------

[  100.638144] Call Trace:
[  100.638149]  [<ffffffff817a66bc>] ? dump_stack+0x40/0x50
[  100.638153]  [<ffffffff810dada9>] ? warn_alloc_failed+0x109/0x11b
[  100.638155]  [<ffffffff810dd3d3>] ? __alloc_pages_nodemask+0x608/0x771
[  100.638159]  [<ffffffff8110b0df>] ? alloc_pages_vma+0xed/0x13d
[  100.638161]  [<ffffffff8110eaf8>] ? kmem_cache_alloc+0x5a/0xfb
[  100.638164]  [<ffffffff810e6b53>] ? shmem_alloc_page+0x60/0x8b
[  100.638166]  [<ffffffff810e0c61>] ? release_pages+0x174/0x1db
[  100.638169]  [<ffffffff81340dba>] ? radix_tree_insert+0x29/0xa3
[  100.638171]  [<ffffffff81340ecf>] ? radix_tree_lookup_slot+0x10/0x23
[  100.638173]  [<ffffffff810d62dd>] ? find_get_entry+0x15/0x63
[  100.638175]  [<ffffffff810f7e52>] ? __vm_enough_memory+0x1f/0x132
[  100.638178]  [<ffffffff810e8cc3>] ? shmem_getpage_gfp+0x31d/0x5d7
[  100.638180]  [<ffffffff810e8ff2>] ? shmem_read_mapping_page_gfp+0x2b/0x4c
[  100.638195]  [<ffffffffa009b9f8>] ?
i915_gem_object_get_pages_gtt+0x150/0x36e [i915]
[  100.638198]  [<ffffffff8133d4b7>] ? idr_mark_full+0x2b/0x56
[  100.638210]  [<ffffffffa009c6f6>] ? i915_gem_object_get_pages+0x61/0xb5
[i915]
[  100.638221]  [<ffffffffa009e9b1>] ?
i915_gem_object_set_to_gtt_domain+0x3d/0x158 [i91                              
                                                 5]
[  100.638232]  [<ffffffffa009eb5a>] ? i915_gem_set_domain_ioctl+0x8e/0xd6
[i915]
[  100.638243]  [<ffffffffa009e7b8>] ? i915_gem_create+0x43/0xb0 [i915]
[  100.638249]  [<ffffffffa00047ae>] ? drm_ioctl+0x322/0x38d [drm]
[  100.638259]  [<ffffffffa009eacc>] ?
i915_gem_object_set_to_gtt_domain+0x158/0x158 [i9                              
                                                 15]
[  100.638262]  [<ffffffff81143fbd>] ? fsnotify+0x270/0x287
[  100.638266]  [<ffffffff81123586>] ? do_vfs_ioctl+0x360/0x424
[  100.638268]  [<ffffffff81104f76>] ? si_swapinfo+0x10/0x61
[  100.638271]  [<ffffffff8104a794>] ? do_sysinfo+0x58/0xb3
[  100.638274]  [<ffffffff8104c9e2>] ? SyS_sysinfo+0x20/0x34
[  100.638275]  [<ffffffff81123693>] ? SyS_ioctl+0x49/0x7a
[  100.638278]  [<ffffffff817ac217>] ? system_call_fastpath+0x12/0x6a


==Reproduce steps==
----------------------------
1,./gem_pwrite  –run-subtest huge-gtt

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