[Bug 100967] New: [BSW][BAT] igt at pm_rpm@basic-pci-d3-state dmesg warning

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100967

            Bug ID: 100967
           Summary: [BSW][BAT] igt at pm_rpm@basic-pci-d3-state dmesg warning
           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: jani.saarinen at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

On CI igt at pm_rpm@basic-pci-d3-state gave dmesg warning.


https://intel-gfx-ci.01.org/CI/CI_DRM_2590/fi-bsw-n3050/igt@pm_rpm@basic-pci-d3-state.html

Dmesg: 
Out     
IGT-Version: 1.18-gb087257 (x86_64) (Linux: 4.11.0-CI-CI_DRM_2590+ x86_64)
Runtime PM support: 1
PC8 residency support: 0
Subtest basic-pci-d3-state: SUCCESS (0.208s)
Environment     
PIGLIT_SOURCE_DIR="/opt/igt/piglit" PIGLIT_PLATFORM="mixed_glx_egl"
Command 
/opt/igt/tests/pm_rpm --run-subtest basic-pci-d3-state
Dmesg   
[  574.279574] ------------[ cut here ]------------
[  574.279628] WARNING: CPU: 1 PID: 0 at kernel/sched/sched.h:833
pick_next_task_rt+0x250/0x260
[  574.279647] rq->clock_update_flags < RQCF_ACT_SKIP
[  574.279658] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 snd_hda_intel snd_hda_codec intel_powerclamp
coretemp crct10dif_pclmul crc32_pclmul snd_hwdep ghash_clmulni_intel
snd_hda_core snd_pcm r8169 mii lpc_ich i2c_hid prime_numbers
i2c_designware_platform i2c_designware_core pinctrl_cherryview
[  574.279931] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G     U  W      
4.11.0-CI-CI_DRM_2590+ #1
[  574.279949] Hardware name:                  /NUC5CPYB, BIOS
PYBSWCEL.86A.0058.2016.1102.1842 11/02/2016
[  574.279967] Call Trace:
[  574.280003]  dump_stack+0x67/0x92
[  574.280034]  __warn+0xc6/0xe0
[  574.280065]  warn_slowpath_fmt+0x46/0x50
[  574.280100]  pick_next_task_rt+0x250/0x260
[  574.280132]  __schedule+0x160/0xbc0
[  574.280166]  schedule+0x3b/0x90
[  574.280190]  schedule_preempt_disabled+0x13/0x20
[  574.280213]  do_idle+0x145/0x1f0
[  574.280240]  cpu_startup_entry+0x18/0x20
[  574.280265]  start_secondary+0x102/0x120
[  574.280293]  start_cpu+0x14/0x14
[  574.280333] ---[ end trace a32d50591ea05071 ]---

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