[Bug 106728] New: [CI] igt at kms_frontbuffer_tracking@fbc-suspend - dmesg-warn - Power well 2 on.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106728

            Bug ID: 106728
           Summary: [CI] igt at kms_frontbuffer_tracking@fbc-suspend -
                    dmesg-warn - Power well 2 on.
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: martin.peres at free.fr
        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/IGT_4501/shard-glk2/igt@kms_frontbuffer_tracking@fbc-suspend.html

[  487.805280] ------------[ cut here ]------------
[  487.805282] Power well 2 on.
[  487.805351] WARNING: CPU: 1 PID: 1509 at
drivers/gpu/drm/i915/intel_runtime_pm.c:455 bxt_enable_dc9+0xf2/0x120 [i915]
[  487.805353] Modules linked in: snd_hda_intel i915 vgem btusb
x86_pkg_temp_thermal intel_powerclamp btrtl coretemp btbcm crct10dif_pclmul
btintel crc32_pclmul snd_hda_codec_hdmi ghash_clmulni_intel bluetooth
snd_hda_codec_realtek snd_hda_codec_generic ecdh_generic r8169 mii i2c_hid
snd_hda_codec snd_hwdep snd_hda_core mei_me snd_pcm mei pinctrl_geminilake
pinctrl_intel prime_numbers [last unloaded: i915]
[  487.805425] CPU: 1 PID: 1509 Comm: kworker/u8:1 Tainted: G     U           
4.17.0-rc7-CI-CI_DRM_4256+ #1
[  487.805427] Hardware name: Intel Corporation NUC7CJYH/NUC7JYB, BIOS
JYGLKCPX.86A.0027.2018.0125.1347 01/25/2018
[  487.805433] Workqueue: events_unbound async_run_entry_fn
[  487.805479] RIP: 0010:bxt_enable_dc9+0xf2/0x120 [i915]
[  487.805481] RSP: 0018:ffffc900002e3d88 EFLAGS: 00010286
[  487.805485] RAX: 0000000000000000 RBX: ffff8802694a0000 RCX:
0000000000000001
[  487.805487] RDX: 0000000080000001 RSI: ffffffff821232f9 RDI:
00000000ffffffff
[  487.805490] RBP: 0000000000000000 R08: 000000008bafc4f0 R09:
0000000000000000
[  487.805492] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff880275da8008
[  487.805494] R13: ffffffff81506fb0 R14: 0000000000000000 R15:
0000000000000000
[  487.805497] FS:  0000000000000000(0000) GS:ffff88027fc80000(0000)
knlGS:0000000000000000
[  487.805499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  487.805502] CR2: 00007fa778f7f068 CR3: 0000000005210000 CR4:
0000000000340ee0
[  487.805504] Call Trace:
[  487.805549]  i915_drm_suspend_late+0x119/0x120 [i915]
[  487.805557]  dpm_run_callback+0x5d/0x2f0
[  487.805563]  __device_suspend_late+0xad/0x140
[  487.805569]  async_suspend_late+0x15/0x90
[  487.805573]  async_run_entry_fn+0x34/0x160
[  487.805579]  process_one_work+0x229/0x6a0
[  487.805588]  worker_thread+0x35/0x380
[  487.805594]  ? process_one_work+0x6a0/0x6a0
[  487.805598]  kthread+0x119/0x130
[  487.805601]  ? kthread_flush_work_fn+0x10/0x10
[  487.805608]  ret_from_fork+0x3a/0x50
[  487.805619] Code: 25 8d f9 e0 0f 0b e9 69 ff ff ff 80 3d ac fb 1f 00 00 0f
85 79 ff ff ff 48 c7 c7 fb 4a 23 a0 c6 05 98 fb 1f 00 01 e8 fe 8c f9 e0 <0f> 0b
e9 5f ff ff ff 80 3d 84 fb 1f 00 00 0f 85 5f ff ff ff 48 
[  487.805741] irq event stamp: 84260
[  487.805745] hardirqs last  enabled at (84259): [<ffffffff810f9337>]
vprintk_emit+0x4b7/0x4d0
[  487.805748] hardirqs last disabled at (84260): [<ffffffff81a0111c>]
error_entry+0x7c/0x100
[  487.805752] softirqs last  enabled at (84178): [<ffffffff81c0032b>]
__do_softirq+0x32b/0x4e1
[  487.805756] softirqs last disabled at (84155): [<ffffffff8108c284>]
irq_exit+0xa4/0xb0
[  487.805799] WARNING: CPU: 1 PID: 1509 at
drivers/gpu/drm/i915/intel_runtime_pm.c:455 bxt_enable_dc9+0xf2/0x120 [i915]
[  487.805801] ---[ end trace 69732fd816861b52 ]---

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