[Bug 90152] New: [BSW] Igt/gem_evict_everything subcase mlocked-hang causes oom killer and kernel BUG at drivers/gpu/drm/i915/i915_drv.h:2737!

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Apr 22 23:22:10 PDT 2015 

https://bugs.freedesktop.org/show_bug.cgi?id=90152

            Bug ID: 90152
           Summary: [BSW] Igt/gem_evict_everything subcase mlocked-hang
                    causes oom killer and kernel BUG at
                    drivers/gpu/drm/i915/i915_drv.h:2737!
           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 115284
  --> https://bugs.freedesktop.org/attachment.cgi?id=115284&action=edit
dmesg info

==System Environment==       
-----------------------------------------------------
Regression: not sure
Non-working platforms: BSW

==Kernel==
--------------------------------------------------
commit b9fe357740009b89d4bac30b297bfe9808957e6a
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Mon Apr 20 10:28:37 2015 -0700

    drm-intel-nightly: 2015y-04m-20d-17h-28m-16s UTC integration manifest


==Bug detailed description==
--------------------------------------------------
Igt/gem_evict_everything subcase mlocked-hang causes oom killer and kernel BUG
at drivers/gpu/drm/i915/i915_drv.h:2737!

==Output==
-----------------------
root at x-bsw08:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./gem_evict_everything --run-subtest mlocked-hang
IGT-Version: 1.10-ge1ce5ea (x86_64) (Linux:
4.0.0_drm-intel-nightly_b9fe35_20150421+ x86_64)
child 0 died with signal 11, Segmentation fault
Subtest mlocked-hang failed.
**** DEBUG ****
Checking 1536 surfaces of size 1048576 bytes (total 1611399168) against RAM
Test requirement passed: !(total <= required)
Test requirement passed: !igt_run_in_simulation()
Test requirement passed: pin > sz
Pinning [1472, 3008] MiB
Test requirement passed: locked
****  END  ****
Subtest mlocked-hang: FAIL (9.726s)

^C^C^C^C^C^C^C

==Output dmesg info==
[   98.752676] ------------[ cut here ]------------
[   98.808109] kernel BUG at drivers/gpu/drm/i915/i915_drv.h:2737!
[   98.879173] invalid opcode: 0000 [#1] SMP
[   98.928543] Modules linked in: ipv6 dm_mod snd_hda_codec_hdmi
snd_hda_codec_realtek s
nd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel
snd_hda_controller snd_h
da_codec snd_hda_core snd_hwdep snd_pcm serio_raw pcspkr i2c_i801 snd_timer
lpc_ich snd
mfd_core soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm
[   99.291933] CPU: 3 PID: 4306 Comm: gem_evict_every Not tainted
4.0.0_drm-intel-nightl
y_b9fe35_20150421+ #368
[   99.409956] task: ffff8801752e20c0 ti: ffff880002b94000 task.ti:
ffff880002b94000
[   99.499798] RIP: 0010:[<ffffffffa009d520>]  [<ffffffffa009d520>]
i915_gem_retire_requ
ests_ring+0xb2/0x16b [i915]
[   99.549519] [drm] stuck on render ring
[   99.582018] [drm] GPU HANG: ecode 8:0:0xe75ffffe, in gem_evict_every [4305],
reason:
Ring hung, action: reset
[   99.582020] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, incl
uding userspace.
[   99.582021] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI
-> DRM/Intel
[   99.582022] [drm] drm/i915 developers can then reassign to the right
component if it'
s not a kernel issue.
[   99.582023] [drm] The gpu crash dump is required to analyze gpu hangs, so
please alwa
ys attach it.
[   99.582024] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[   99.582085] [drm:i915_reset_and_wakeup] resetting chip
[  100.364882] RSP: 0018:ffff880002b97c08  EFLAGS: 00010246
[  100.428639] RAX: ffff88007bb66b68 RBX: ffff8801755e4108 RCX:
ffff88007bb66b68
[  100.514312] RDX: ffff8801755e4280 RSI: 0000000000000001 RDI:
ffff880002a62540
[  100.599984] RBP: 0000000000000000 R08: ffff880002a62600 R09:
0000000000000000
[  100.685654] R10: ffff880178692948 R11: 00000000fffffffa R12:
ffff8801755e4280
[  100.771326] R13: ffff88007bb66a80 R14: ffff880002d99d80 R15:
0000000000000003
[  100.857000] FS:  00007f75dc359740(0000) GS:ffff88017fd80000(0000)
knlGS:0000000000000
000
[  100.954148] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.023122] CR2: 00007f7573e47008 CR3: 0000000002dc1000 CR4:
00000000001006e0
[  101.108796] Stack:
[  101.132904]  ffff880002528000 0000000000000008 ffff880002b97d3e
ffff88007ba81000
[  101.222138]  ffff88017541ba40 ffffffffa009508c 0000054e00000202
ffff880178692910
[  101.311370]  ffff880002b97c48 ffff880002b97c48 0000000000000000
ffff880002528000
[  101.400605] Call Trace:
[  101.429970]  [<ffffffffa009508c>] ? i915_gem_execbuffer_reserve+0x25/0x2e3
[i915]
[  101.519850]  [<ffffffffa0095916>] ?
i915_gem_do_execbuffer.isra.13+0x5cc/0xd88 [i915]
[  101.613879]  [<ffffffff81104767>] ? alloc_pages_current+0xad/0xca
[  101.687029]  [<ffffffff810e9ea6>] ? kmalloc_order+0x10/0x3d
[  101.753922]  [<ffffffff810e9eef>] ? kmalloc_order_trace+0x1c/0x7e
[  101.827102]  [<ffffffffa0097085>] ? i915_gem_execbuffer2+0x16e/0x205 [i915]
[  101.910700]  [<ffffffffa00047ae>] ? drm_ioctl+0x322/0x38d [drm]
[  101.981792]  [<ffffffffa0096f17>] ? i915_gem_execbuffer+0x339/0x339 [i915]
[  102.064336]  [<ffffffff8111daa6>] ? do_vfs_ioctl+0x360/0x424
[  102.132270]  [<ffffffff810f1870>] ? __mm_populate+0xf6/0x107
[  102.200207]  [<ffffffff8111dbb3>] ? SyS_ioctl+0x49/0x7a
[  102.262927]  [<ffffffff8179b0f2>] ? system_call_fastpath+0x12/0x17
[  102.337123] Code: 00 00 3b 45 18 78 26 4c 89 ef e8 fb e0 ff ff 48 8b 83 78
01 00 00 4
c 39 e0 74 12 48 8b 68 70 4c 8d a8 18 ff ff ff 48 85 ed 75 c5 <0f> 0b 48 8b ab
88 00 00
00 48 85 ed 0f 84 9e 00 00 00 48 8b 45
[  102.570725] RIP  [<ffffffffa009d520>]
i915_gem_retire_requests_ring+0xb2/0x16b [i915]
[  102.664882]  RSP <ffff880002b97c08>
[  102.706896] ---[ end trace db48308df63ef1d9 ]---

==Reproduce steps==
----------------------------
1, ./gem_evict_everything --run-subtest mlocked-hang

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