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Hello,
I have installed Arch on a server and am using it as a NAS. It works pretty well, but at all times, "uptime" reports that the load is at 1.00, even when no one is using it and nothing is running.
Top reports that there's a kernel worker named kworker/0:0+pm which is usually in state D (uninterruptible sleep) taking around 3-6% CPU time. Since this is a kernel worker, i checked dmesg and it does not seem to be logging anything that I can tell.
I tried taking a few stack traces from it; i'll post them here.
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0x89/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] snd_hdac_display_power+0xe4/0x150 [snd_hda_core]
[<0>] __azx_runtime_resume+0x1d/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0xd4/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] hda_intel_init_chip+0x3b/0x230 [snd_hda_intel]
[<0>] __azx_runtime_resume+0x48/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] snd_hdac_bus_reset_link+0x4a/0xf0 [snd_hda_core]
[<0>] snd_hdac_bus_init_chip+0x26/0xe0 [snd_hda_core]
[<0>] azx_init_chip+0x12/0x40 [snd_hda_codec]
[<0>] hda_intel_init_chip+0x54/0x230 [snd_hda_intel]
[<0>] __azx_runtime_resume+0x48/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0x89/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] hda_intel_init_chip+0x6b/0x230 [snd_hda_intel]
[<0>] __azx_runtime_resume+0x48/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0x89/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] snd_hdac_display_power+0xe4/0x150 [snd_hda_core]
[<0>] __azx_runtime_resume+0x1d/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0x89/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] hda_intel_init_chip+0x3b/0x230 [snd_hda_intel]
[<0>] __azx_runtime_resume+0x48/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0x89/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] hda_intel_init_chip+0x6b/0x230 [snd_hda_intel]
[<0>] __azx_runtime_resume+0x48/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] snd_hdac_bus_enter_link_reset+0x43/0x70 [snd_hda_core]
[<0>] __azx_shutdown_chip+0x7d/0x80 [snd_hda_intel]
[<0>] azx_runtime_suspend+0x54/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_suspend+0x5b/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0x89/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] snd_hdac_display_power+0xe4/0x150 [snd_hda_core]
[<0>] __azx_runtime_resume+0x1d/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0xd4/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] hda_intel_init_chip+0x3b/0x230 [snd_hda_intel]
[<0>] __azx_runtime_resume+0x48/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0x89/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] hda_intel_init_chip+0x6b/0x230 [snd_hda_intel]
[<0>] __azx_runtime_resume+0x48/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0x89/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] snd_hdac_display_power+0xe4/0x150 [snd_hda_core]
[<0>] __azx_runtime_resume+0x1d/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0xd4/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] hda_intel_init_chip+0x3b/0x230 [snd_hda_intel]
[<0>] __azx_runtime_resume+0x48/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0x89/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] hda_intel_init_chip+0x6b/0x230 [snd_hda_intel]
[<0>] __azx_runtime_resume+0x48/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0xd4/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] snd_hdac_display_power+0xe4/0x150 [snd_hda_core]
[<0>] __azx_runtime_resume+0x1d/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0x89/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] snd_hdac_display_power+0xee/0x150 [snd_hda_core]
[<0>] __azx_runtime_resume+0x1d/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] snd_hdac_bus_enter_link_reset+0x43/0x70 [snd_hda_core]
[<0>] __azx_shutdown_chip+0x7d/0x80 [snd_hda_intel]
[<0>] azx_runtime_suspend+0x54/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_suspend+0x5b/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0x58/0x1a0
[<0>] pci_finish_runtime_suspend+0x6f/0xc0
[<0>] pci_pm_runtime_suspend+0xba/0x180
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_suspend+0x177/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] msleep+0x29/0x40
[<0>] pci_raw_set_power_state+0x1c7/0x220
[<0>] pci_set_power_state+0xfc/0x1a0
[<0>] pci_pm_runtime_resume+0x45/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0x89/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] snd_hdac_display_power+0xe4/0x150 [snd_hda_core]
[<0>] __azx_runtime_resume+0x1d/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30
[<0>] i915_audio_component_codec_wake_override+0xd4/0x110 [i915]
[<0>] snd_hdac_set_codec_wakeup+0x32/0x90 [snd_hda_core]
[<0>] hda_intel_init_chip+0x3b/0x230 [snd_hda_intel]
[<0>] __azx_runtime_resume+0x48/0xe0 [snd_hda_intel]
[<0>] azx_runtime_resume+0x3d/0xb0 [snd_hda_intel]
[<0>] pci_pm_runtime_resume+0xa7/0xd0
[<0>] __rpm_callback+0x41/0x120
[<0>] rpm_callback+0x5f/0x70
[<0>] rpm_resume+0x567/0x810
[<0>] rpm_suspend+0x738/0x750
[<0>] pm_runtime_work+0x80/0xa0
[<0>] process_one_work+0x1e5/0x3c0
[<0>] worker_thread+0x50/0x3c0
[<0>] kthread+0x12f/0x160
[<0>] ret_from_fork+0x1f/0x30I honestly can't make heads or tails of it, I found thisbut it doesn't seem to be the same issue; any ideas on what to try to debug this?
Last edited by scott_fakename (2022-05-23 05:53:42)
Offline
Closing the loop on this I figured out how to (mostly) solve it! I found this reddit thread: https://www.reddit.com/r/openSUSE/comme … s_of_idle/
Also, I found this stack exchange thread: https://unix.stackexchange.com/question … ts-on-boot
I fixed it by running:
$ grep -r . /sys/firmware/acpi/interruptsThis will gave me a long list of GPEs which looked like:
/sys/firmware/acpi/interrupts/gpe2F: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe23: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe5D: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe51: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe1F: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe13: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe4D: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe41: 0 EN enabled unmasked
/sys/firmware/acpi/interrupts/gpe7B: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe0F: 0 EN enabled unmasked
/sys/firmware/acpi/interrupts/gpe03: 0 disabled unmasked
/sys/firmware/acpi/interrupts/gpe3D: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe31: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe6B: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe2D: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe21: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe5B: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe1D: 0 invalid unmasked
/sys/firmware/acpi/interrupts/ff_pwr_btn: 0 EN enabled unmasked
/sys/firmware/acpi/interrupts/gpe78: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe11: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe4B: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe0D: 0 disabled unmasked
/sys/firmware/acpi/interrupts/gpe68: 0 invalid unmasked
# ....One of those had a first column with a huge number, and was something like
82174 invalid unmaskedSo, I tried running:
# echo masked >/sys/firmware/acpi/interrupts/gpe0EThen I monitored top to see if the pm kworker stopped taking up as much CPU, and it did. So I had found the right one. So, I went in to my boot loader configs (i used systemd-boot, so for me that was /boot/loader/entries/arch.conf) and added "acpi_mask_gpe=0x0E" to my kernel command line arguments, and rebooted.
Now, the pm kworker still shows up on top, but my resting system load is at almost 0 instead of constantly being at 1.00.
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