[Bug 100144] [ILK][BAT] gem_exec_fence at await-hang-default.html

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Mar 17 09:06:45 UTC 2017


https://bugs.freedesktop.org/show_bug.cgi?id=100144

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #3 from Chris Wilson <chris at chris-wilson.co.uk> ---
[  209.126253] [IGT] gem_exec_fence: starting subtest await-hang-default
[  212.698224] [drm:missed_breadcrumb [i915]] render ring missed breadcrumb at
intel_breadcrumbs_hangcheck+0x5c/0x80 [i915], irq posted? no
[  218.719419] [drm] GPU HANG: ecode 5:0:0xe77fff7f, in gem_exec_fence [6613],
reason: Hang on render ring, action: reset
[  218.719698] [drm:i915_reset_and_wakeup [i915]] resetting chip
[  218.719770] drm/i915: Resetting chip after gpu hang
[  218.720366] [drm:i915_gem_reset [i915]] context gem_exec_fence[6613]/0
marked guilty (score 10) banned? no
[  218.720388] [drm:i915_gem_reset [i915]] resetting render ring to restart
from tail of request 0x11884
[  218.720506] [drm:init_workarounds_ring [i915]] render ring: Number of
context specific w/a: 0
[  220.697838] [drm:missed_breadcrumb [i915]] bsd ring missed breadcrumb at
intel_breadcrumbs_hangcheck+0x5c/0x80 [i915], irq posted? no
[  225.867366] [IGT] gem_exec_fence: exiting, ret=0
[  225.868419] ------------[ cut here ]------------
[  225.868427] kernel BUG at drivers/gpu/drm/i915/i915_gem_request.c:413!
[  225.868434] invalid opcode: 0000 [#1] PREEMPT SMP
[  225.868440] Modules linked in: intel_powerclamp coretemp crct10dif_pclmul
crc32_pclmul snd_hda_codec_hdmi ghash_clmulni_intel snd_hda_codec_realtek
snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core
snd_pcm lpc_ich mei_me mei i915 e1000e ptp pps_core prime_numbers
[  225.868478] CPU: 3 PID: 30 Comm: kworker/3:0 Tainted: G        W      
4.11.0-rc2-CI-Trybot_650+ #1
[  225.868487] Hardware name: Hewlett-Packard HP Compaq 8100 Elite SFF
PC/304Ah, BIOS 786H1 v01.13 07/14/2011
[  225.868523] Workqueue: events i915_clflush_work [i915]
[  225.868529] task: ffff880212190040 task.stack: ffffc90000138000
[  225.868554] RIP: 0010:__i915_gem_request_submit+0x19d/0x1a0 [i915]
[  225.868560] RSP: 0018:ffffc9000013bc90 EFLAGS: 00010016
[  225.868566] RAX: 0000000000010ccc RBX: ffff88020cc2f9c0 RCX:
0000000000000001
[  225.868573] RDX: 00000000ffffffff RSI: 00000000ffffffff RDI:
ffff880206f67b28
[  225.868580] RBP: ffffc9000013bcb8 R08: 000000005640d526 R09:
b90709f000000000
[  225.868586] R10: ffffffff82782218 R11: ffff880212190040 R12:
0000000000004b3f
[  225.868593] R13: ffff880206f67b00 R14: ffff880206e8a158 R15:
ffff88020888c748
[  225.868600] FS:  0000000000000000(0000) GS:ffff88021bcc0000(0000)
knlGS:0000000000000000
[  225.868609] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  225.868616] CR2: 00000000009ba888 CR3: 0000000207414000 CR4:
00000000000006e0
[  225.868624] Call Trace:
[  225.868648]  i915_gem_request_submit+0x2b/0x50 [i915]
[  225.868675]  i9xx_submit_request+0x16/0x50 [i915]
[  225.868700]  submit_notify+0x3f/0x5c [i915]
[  225.868720]  __i915_sw_fence_complete+0x176/0x220 [i915]
[  225.868730]  ? try_to_del_timer_sync+0x4d/0x60
[  225.868751]  i915_sw_fence_complete+0x25/0x40 [i915]
[  225.868772]  dma_i915_sw_fence_wake+0x26/0x60 [i915]
[  225.868781]  dma_fence_signal+0x146/0x230
[  225.868804]  i915_clflush_work+0x3d/0x140 [i915]
[  225.868826]  ? i915_clflush_work+0x61/0x140 [i915] 
[  225.868836]  process_one_work+0x1f4/0x6d0
[  225.868843]  ? process_one_work+0x16e/0x6d0
[  225.868850]  worker_thread+0x49/0x4a0
[  225.868857]  kthread+0x107/0x140
[  225.868863]  ? process_one_work+0x6d0/0x6d0
[  225.868870]  ? kthread_create_on_node+0x40/0x40
[  225.868878]  ret_from_fork+0x2e/0x40
[  225.868884] Code: 18 a0 be 93 01 00 00 48 c7 c7 20 f2 19 a0 e8 8b 3b fc e0
e9 a6 fe ff ff 48 89 df e8 ce 16 01 00 e9 f9 fe ff ff 0f 0b 0f 0b 0f 0b <0f> 0b
90 55 48 89 e5 41 55 41 54 53 48 8b 9f a8 00 00 00 49 89 
[  225.868961] RIP: __i915_gem_request_submit+0x19d/0x1a0 [i915] RSP:
ffffc9000013bc90
[  225.868972] ---[ end trace 991ea876a8672e61 ]---
[  225.868979] BUG: sleeping function called from invalid context at
./include/linux/percpu-rwsem.h:33
[  225.868990] in_atomic(): 1, irqs_disabled(): 1, pid: 30, name: kworker/3:0
[  225.868998] INFO: lockdep is turned off.
[  225.869003] irq event stamp: 1192454
[  225.869010] hardirqs last  enabled at (1192453): [<ffffffff81876587>]
_raw_spin_unlock_irq+0x27/0x50
[  225.869021] hardirqs last disabled at (1192454): [<ffffffff81876377>]
_raw_spin_lock_irqsave+0x17/0x60
[  225.869034] softirqs last  enabled at (1192118): [<ffffffff81085cd9>]
__do_softirq+0x1d9/0x4c0
[  225.869044] softirqs last disabled at (1192097): [<ffffffff81086139>]
irq_exit+0xa9/0xc0
[  225.869054] Preemption disabled at:
[  225.869056] [<ffffffff815ec000>] dma_fence_signal+0x100/0x230
[  225.869069] CPU: 3 PID: 30 Comm: kworker/3:0 Tainted: G      D W      
4.11.0-rc2-CI-Trybot_650+ #1
[  225.869080] Hardware name: Hewlett-Packard HP Compaq 8100 Elite SFF
PC/304Ah, BIOS 786H1 v01.13 07/14/2011
[  225.869107] Workqueue: events i915_clflush_work [i915]
[  225.869114] Call Trace:
[  225.869122]  dump_stack+0x67/0x92 
[  225.869129]  ___might_sleep+0x162/0x250
[  225.869135]  __might_sleep+0x45/0x80
[  225.869143]  exit_signals+0x1f/0x2a0
[  225.869150]  do_exit+0x9f/0xcd0
[  225.869156]  ? kthread+0x107/0x140
[  225.869162]  ? process_one_work+0x6d0/0x6d0
[  225.869169]  ? kthread_create_on_node+0x40/0x40
[  225.869176]  rewind_stack_do_exit+0x17/0x20
[  225.869185] note: kworker/3:0[30] exited with preempt_count 2

That's pretty unbelievable and scary.

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