[Bug 105864] New: [CI] igt at gem_exec_reloc@basic-write-cpu-noreloc - incomplete - Softdog - kernel BUG at drivers/gpu/drm/i915/intel_breadcrumbs.c:219!

Tue Apr 3 13:24:36 UTC 2018

https://bugs.freedesktop.org/show_bug.cgi?id=105864

            Bug ID: 105864
           Summary: [CI] igt at gem_exec_reloc@basic-write-cpu-noreloc -
                    incomplete - Softdog - kernel BUG at
                    drivers/gpu/drm/i915/intel_breadcrumbs.c:219!
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: marta.lofstedt at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_9/fi-skl-guc/igt@gem_exec_reloc@basic-write-cpu-noreloc.html

running: igt/gem_exec_reloc/basic-write-cpu-noreloc 

[40/98] skip: 19, pass: 18, fail: 2, dmesg-fail: 1 |
owatch: TIMEOUT!

demsg:
<3>[  111.630413] i915 0000:00:02.0: Failed to idle engines, declaring wedged!
<0>[  111.630638] Dumping ftrace buffer:
...
<7>[  111.714717] i915_gem_set_wedged Idle? no
<3>[  111.728317] intel_engine_unpin_breadcrumbs_irq:219
GEM_BUG_ON(!b->irq_enabled)
<7>[  111.728345] [IGT] gem_exec_reloc: exiting, ret=77
<4>[  111.728394] ------------[ cut here ]------------
<2>[  111.728396] kernel BUG at drivers/gpu/drm/i915/intel_breadcrumbs.c:219!
<4>[  111.728424] invalid opcode: 0000 [#1] PREEMPT SMP PTI
<0>[  111.728430] Dumping ftrace buffer:

<0>[  111.728436]    (ftrace buffer empty)
<4>[  111.728441] Modules linked in: vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal
intel_powerclamp coretemp snd_hda_intel crct10dif_pclmul i915 crc32_pclmul
snd_hda_codec ghash_clmulni_intel snd_hwdep snd_hda_core snd_pcm e1000e mei_me
mei prime_numbers
<4>[  111.728480] CPU: 4 PID: 1389 Comm: kworker/u16:44 Tainted: G     U       
   4.16.0-rc7-gbefd0b655b91-drmtip_9+ #1
<4>[  111.728489] Hardware name: System manufacturer System Product Name/Z170
PRO GAMING, BIOS 3402 04/26/2017
<4>[  111.728529] Workqueue: i915 i915_gem_idle_work_handler [i915]
<4>[  111.728566] RIP: 0010:intel_engine_unpin_breadcrumbs_irq+0x7f/0x90 [i915]
<4>[  111.728574] RSP: 0018:ffffacb0c0d8fda8 EFLAGS: 00010096
<4>[  111.728580] RAX: 000000000000000e RBX: ffff9b47970b2158 RCX:
ffff9b47aa8e05dd
<4>[  111.728586] RDX: 0000000000000000 RSI: 0000000000000050 RDI:
ffff9b47ad820358
<4>[  111.728592] RBP: ffff9b47970b21a8 R08: ffffffffc03c69a7 R09:
0000000000000001
<4>[  111.728599] R10: ffffacb0c0d8fd28 R11: 0000000000000006 R12:
00000000fffd2094
<4>[  111.728605] R13: ffff9b47a4487528 R14: 000000000000000a R15:
ffff9b47a4480000
<4>[  111.728613] FS:  0000000000000000(0000) GS:ffff9b47b6d00000(0000)
knlGS:0000000000000000
<4>[  111.728620] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  111.728626] CR2: 00007fdad03c2010 CR3: 00000001af210005 CR4:
00000000003606e0
<4>[  111.728632] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
<4>[  111.728638] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
<4>[  111.728645] Call Trace:
<4>[  111.728679]  intel_engines_park+0xdb/0x150 [i915]
<4>[  111.728687]  ? synchronize_irq+0x2e/0x90
<4>[  111.728693]  ? mutex_trylock+0xc4/0xf0
<4>[  111.728725]  i915_gem_idle_work_handler+0x126/0x330 [i915]
<4>[  111.728733]  process_one_work+0x215/0x620
<4>[  111.728740]  worker_thread+0x48/0x3a0
<4>[  111.728747]  kthread+0xfb/0x130
<4>[  111.728751]  ? process_one_work+0x620/0x620
<4>[  111.728757]  ? _kthread_create_on_node+0x30/0x30
<4>[  111.728763]  ret_from_fork+0x3a/0x50
<4>[  111.728771] Code: e8 fc df e0 e0 48 8b 35 f0 72 19 00 49 c7 c0 a7 69 3c
c0 b9 db 00 00 00 48 c7 c2 c0 e1 3a c0 48 c7 c7 ba 30 2e c0 e8 61 07 e7 e0 <0f>
0b 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 f6 87 80 01 
<1>[  111.728859] RIP: intel_engine_unpin_breadcrumbs_irq+0x7f/0x90 [i915] RSP:
ffffacb0c0d8fda8
<4>[  111.728868] ---[ end trace 319754ef2532b5ed ]---
<3>[  111.906982] BUG: sleeping function called from invalid context at
./include/linux/percpu-rwsem.h:34
<3>[  111.906992] in_atomic(): 1, irqs_disabled(): 1, pid: 1389, name:
kworker/u16:44
<4>[  111.906999] INFO: lockdep is turned off.
<4>[  111.907004] irq event stamp: 96158
<4>[  111.907010] hardirqs last  enabled at (96157): [<00000000d0b106a7>]
_raw_spin_unlock_irq+0x24/0x50
<4>[  111.907020] hardirqs last disabled at (96158): [<00000000363fd18a>]
_raw_spin_lock_irq+0xa/0x40
<4>[  111.907029] softirqs last  enabled at (95800): [<00000000a88264b1>]
__do_softirq+0x3a1/0x4aa
<4>[  111.907038] softirqs last disabled at (95779): [<0000000043beb948>]
irq_exit+0xa4/0xb0
<3>[  111.907046] Preemption disabled at:
<4>[  111.907047] [<0000000000000000>]           (null)
<4>[  111.907057] CPU: 4 PID: 1389 Comm: kworker/u16:44 Tainted: G     UD      
   4.16.0-rc7-gbefd0b655b91-drmtip_9+ #1
<4>[  111.907067] Hardware name: System manufacturer System Product Name/Z170
PRO GAMING, BIOS 3402 04/26/2017
<4>[  111.907107] Workqueue: i915 i915_gem_idle_work_handler [i915]
<4>[  111.907114] Call Trace:
<4>[  111.907119]  dump_stack+0x5f/0x86
<4>[  111.907125]  ___might_sleep+0x1d9/0x240
<4>[  111.907130]  exit_signals+0x1b/0x2a0
<4>[  111.907134]  do_exit+0x93/0xcb0
<4>[  111.907140]  ? kthread+0xfb/0x130
<4>[  111.907144]  ? process_one_work+0x620/0x620
<4>[  111.907149]  rewind_stack_do_exit+0x17/0x20
<6>[  111.907179] note: kworker/u16:44[1389] exited with preempt_count 1

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