[Bug 88685] New: [BDW]igt/gem_evict_alignment/ major-hang sporadically causes system hang

Wed Jan 21 17:52:17 PST 2015

https://bugs.freedesktop.org/show_bug.cgi?id=88685

            Bug ID: 88685
           Summary: [BDW]igt/gem_evict_alignment/ major-hang sporadically
                    causes system hang
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: critical
          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 112634
  --> https://bugs.freedesktop.org/attachment.cgi?id=112634&action=edit
dmesg

==System Environment==
--------------------------
Regression:  not sure, fail rate:2/4

no-working platforms: BDW

==kernel==
--------------------------
drm-intel-nightly/d6bc7a6a0a7573350e8be8ec54002c20d1dbe1e0
commit d6bc7a6a0a7573350e8be8ec54002c20d1dbe1e0
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
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 bug 88652. 

root at 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 at 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

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