[Bug 110446] [CI][DRMTIP] igt at runner@aborted - WARNING: CPU: 0 PID: 12 at kernel/locking/lockdep.c:4920 lockdep_unregister_key+0xa8/0x130

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110446

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[CI][DRMTIP]                |[CI][DRMTIP]
                   |igt at runner@aborted - fail - |igt at runner@aborted -
                   |Kernel badly tainted        |WARNING: CPU: 0 PID: 12 at
                   |(0x240)                     |kernel/locking/lockdep.c:49
                   |                            |20
                   |                            |lockdep_unregister_key+0xa8
                   |                            |/0x130
             Status|NEW                         |RESOLVED
         Resolution|---                         |NOTOURBUG

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
<4>[  335.117647] WARNING: CPU: 0 PID: 12 at kernel/locking/lockdep.c:4920
lockdep_unregister_key+0xa8/0x130
<4>[  335.117653] Modules linked in: vgem btusb btrtl btbcm btintel
snd_hda_codec_hdmi bluetooth snd_hda_codec_realtek snd_hda_codec_generic
ecdh_generic i915 coretemp snd_hda_intel crct10dif_pclmul crc32_pclmul
snd_hda_codec ghash_clmulni_intel snd_hwdep snd_hda_core r8169 snd_pcm lpc_ich
realtek prime_numbers pinctrl_cherryview
<4>[  335.117696] CPU: 0 PID: 12 Comm: kworker/0:1 Tainted: G     U           
5.1.0-rc5-g6ba1335cf9df-drmtip_255+ #1
<4>[  335.117700] Hardware name:  /NUC5CPYB, BIOS
PYBSWCEL.86A.0058.2016.1102.1842 11/02/2016
<4>[  335.117708] Workqueue: events pwq_unbound_release_workfn
<4>[  335.117718] RIP: 0010:lockdep_unregister_key+0xa8/0x130
<4>[  335.117725] Code: 34 49 a6 48 c1 e5 04 48 81 c5 78 b4 48 a6 48 85 c0 48
89 c2 74 14 48 39 c3 75 07 eb 52 48 39 c3 74 4a 48 8b 00 48 85 c0 75 f3 <0f> 0b
ba 01 00 00 00 48 89 de 48 89 ef e8 66 ed ff ff 48 89 ef e8
<4>[  335.117730] RSP: 0018:ffff9d844007be10 EFLAGS: 00010046
<4>[  335.117738] RAX: 0000000000000000 RBX: ffff91daa83db2d0 RCX:
0000000000000000
<4>[  335.117742] RDX: 0000000000000000 RSI: 0000000000000000 RDI:
00000000ffffffff
<4>[  335.117746] RBP: ffffffffa648b478 R08: 0000000000000000 R09:
0000000000000000
<4>[  335.117750] R10: ffff9d844007be00 R11: fefefefefefefeff R12:
0000000000000246
<4>[  335.117754] R13: 000000000000009e R14: ffff91daa83db1b8 R15:
0000000000000000
<4>[  335.117760] FS:  0000000000000000(0000) GS:ffff91dabba00000(0000)
knlGS:0000000000000000
<4>[  335.117764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  335.117768] CR2: 0000558b9aa13f48 CR3: 0000000176214000 CR4:
00000000001006f0
<4>[  335.117772] Call Trace:
<4>[  335.117784]  pwq_unbound_release_workfn+0xb8/0xe0
<4>[  335.117796]  process_one_work+0x245/0x610
<4>[  335.117807]  worker_thread+0x37/0x380
<4>[  335.117817]  ? process_one_work+0x610/0x610
<4>[  335.117824]  kthread+0x119/0x130
<4>[  335.117832]  ? kthread_park+0x80/0x80
<4>[  335.117843]  ret_from_fork+0x3a/0x50
<4>[  335.117856] irq event stamp: 77416
<4>[  335.117863] hardirqs last  enabled at (77415): [<ffffffffa49b5b94>]
_raw_spin_unlock_irq+0x24/0x50
<4>[  335.117870] hardirqs last disabled at (77416): [<ffffffffa49ae79a>]
__schedule+0xaa/0xb40
<4>[  335.117880] softirqs last  enabled at (77350): [<ffffffffa416b205>]
css_release_work_fn+0x195/0x310
<4>[  335.117888] softirqs last disabled at (77348): [<ffffffffa416b1ee>]
css_release_work_fn+0x17e/0x310
<4>[  335.117897] WARNING: CPU: 0 PID: 12 at kernel/locking/lockdep.c:4920
lockdep_unregister_key+0xa8/0x130

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