[Bug 102892] New: [CI][SNB] igt at drv_suspend@forcewake - dmesg-warn - CPU: 5 PID: 38 at kernel/workqueue.c:4611 workqueue_online_cpu

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102892

            Bug ID: 102892
           Summary: [CI][SNB] igt at drv_suspend@forcewake - dmesg-warn -
                    CPU: 5 PID: 38 at kernel/workqueue.c:4611
                    workqueue_online_cpu
           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

CI_DRM_3108 shard-snb dmesg-warn:

[  116.296483] ------------[ cut here ]------------
[  116.296489] WARNING: CPU: 5 PID: 38 at kernel/workqueue.c:4611
workqueue_online_cpu+0x14f/0x340
[  116.296489] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 x86_pkg_temp_thermal intel_powerclamp coretemp
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel broadcom
bcm_phy_lib snd_hda_codec snd_hwdep tg3 snd_hda_core ptp lpc_ich pps_core
snd_pcm mei_me mei prime_numbers
[  116.296505] CPU: 5 PID: 38 Comm: cpuhp/5 Tainted: G    BUD        
4.14.0-rc1-CI-CI_DRM_3108+ #1
[  116.296506] Hardware name: Dell Inc. XPS 8300  /0Y2MRG, BIOS A06 10/17/2011
[  116.296507] task: ffff8802262da9c0 task.stack: ffffc90000170000
[  116.296508] RIP: 0010:workqueue_online_cpu+0x14f/0x340
[  116.296509] RSP: 0000:ffffc90000173db0 EFLAGS: 00010282
[  116.296510] RAX: 00000000ffffffea RBX: ffff88022fb5a800 RCX:
0000000000000001
[  116.296511] RDX: 0000000080000001 RSI: 0000000000000001 RDI:
00000000ffffffff
[  116.296512] RBP: ffffc90000173df8 R08: 0000000000000000 R09:
0000000000000001
[  116.296512] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88022fb5abc8
[  116.296513] R13: ffff88022fb5ac58 R14: 0000000000000005 R15:
ffff8802269358c8
[  116.296514] FS:  0000000000000000(0000) GS:ffff88022fb40000(0000)
knlGS:0000000000000000
[  116.296515] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.296516] CR2: 0000000000000000 CR3: 0000000001e10000 CR4:
00000000000606e0
[  116.296516] Call Trace:
[  116.296520]  ? workqueue_prepare_cpu+0x80/0x80
[  116.296521]  cpuhp_invoke_callback+0xa3/0x840
[  116.296523]  cpuhp_up_callbacks+0x36/0xc0
[  116.296526]  ? smpboot_thread_fn+0x2d/0x280
[  116.296527]  cpuhp_thread_fun+0x142/0x150
[  116.296528]  smpboot_thread_fn+0x18a/0x280
[  116.296530]  kthread+0x152/0x190
[  116.296531]  ? sort_range+0x30/0x30
[  116.296532]  ? kthread_create_on_node+0x40/0x40
[  116.296533]  ? kthread_create_on_node+0x40/0x40
[  116.296536]  ret_from_fork+0x27/0x40
[  116.296537] Code: 47 50 49 39 c5 4c 8d 78 b0 74 2f 8b 35 8b 3e e1 00 85 f6
74 d1 48 8b 7d c8 be ff ff ff ff e8 a9 ed 03 00 85 c0 75 bf 0f ff eb bb <0f> ff
49 8b 47 50 49 39 c5 4c 8d 78 b0 75 d1 48 89 df e8 0a 0b 
[  116.296566] ---[ end trace 6765d50be01e8e59 ]---

More data:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3108/shard-snb3/igt@drv_suspend@forcewake.html

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