https://bugzilla.kernel.org/show_bug.cgi?id=196447
Bug ID: 196447
Summary: Kworker high cpu usage
Product: ACPI
Version: 2.5
Kernel Version: 4.9.18
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: ACPICA-Core
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Created attachment 257641
--> https://bugzilla.kernel.org/attachment.cgi?id=257641&action=edit
dmesg output
Hello,
I have kworker 25% CPU usage (4 cores).
I am able to resolve it like this:
~# grep . -r /sys/firmware/acpi/interrupts/
/sys/firmware/acpi/interrupts/ff_gbl_lock: 0 EN enabled
unmasked
/sys/firmware/acpi/interrupts/gpe15: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe4F: 0 STS invalid unmasked
/sys/firmware/acpi/interrupts/gpe43: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe7D: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe71: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe05: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe3F: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe33: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe6D: 0 disabled unmasked
/sys/firmware/acpi/interrupts/gpe61: 0 EN enabled unmasked
/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 STS invalid unmasked
/sys/firmware/acpi/interrupts/gpe41: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe7B: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe0F: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe03: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe3D: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe31: 0 STS invalid unmasked
/sys/firmware/acpi/interrupts/gpe6B: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe2D: 0 STS 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/gpe78: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe11: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe4B: 0 invalid unmasked
/sys/firmware/acpi/interrupts/ff_pwr_btn: 0 invalid unmasked
/sys/firmware/acpi/interrupts/ff_slp_btn: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe0D: 0 EN enabled unmasked
/sys/firmware/acpi/interrupts/gpe68: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe01: 0 invalid unmasked
/sys/firmware/acpi/interrupts/ff_pmtimer: 0 STS invalid unmasked
/sys/firmware/acpi/interrupts/gpe3B: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe58: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe2B: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe48: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe1B: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe76: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe38: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe0B:41547356 STS enabled unmasked
/sys/firmware/acpi/interrupts/gpe66: 5 EN enabled unmasked
/sys/firmware/acpi/interrupts/gpe28: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe56: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe18: 0 STS invalid unmasked
/sys/firmware/acpi/interrupts/gpe46: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe74: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe08: 0 invalid unmasked
/sys/firmware/acpi/interrupts/sci:41550143
/sys/firmware/acpi/interrupts/gpe36: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe64: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe26: 0 invalid unmasked
/sys/firmware/acpi/interrupts/error: 0
/sys/firmware/acpi/interrupts/gpe54: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe16: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe44: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe7E: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe72: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe06: 0 invalid unmasked
/sys/firmware/acpi/interrupts/ff_rt_clk: 0 STS disabled unmasked
/sys/firmware/acpi/interrupts/gpe34: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe6E: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe62: 0 EN enabled unmasked
/sys/firmware/acpi/interrupts/gpe24: 9075 EN enabled unmasked
/sys/firmware/acpi/interrupts/gpe5E: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe52: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe14: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe4E: 0 STS invalid unmasked
/sys/firmware/acpi/interrupts/gpe42: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe7C: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe70: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe04: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe3E: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe32: 0 STS invalid unmasked
/sys/firmware/acpi/interrupts/gpe6C: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe60: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe2E: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe22: 0 STS invalid unmasked
/sys/firmware/acpi/interrupts/gpe5C: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe50: 0 STS invalid unmasked
/sys/firmware/acpi/interrupts/gpe1E: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe79: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe12: 0 STS invalid unmasked
/sys/firmware/acpi/interrupts/gpe4C: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe40: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe7A: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe0E: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe69: 0 disabled unmasked
/sys/firmware/acpi/interrupts/gpe02: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe3C: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe30: 0 STS invalid unmasked
/sys/firmware/acpi/interrupts/gpe6A: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe59: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe2C: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe20: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe5A: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe49: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe1C: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe77: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe10: 0 STS invalid unmasked
/sys/firmware/acpi/interrupts/gpe4A: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe39: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe0C: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe67: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe00: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe3A: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe29: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe57: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe2A: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe19: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe47: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe1A: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe75: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe09: 0 disabled unmasked
/sys/firmware/acpi/interrupts/gpe37: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe0A: 1 EN enabled unmasked
/sys/firmware/acpi/interrupts/gpe65: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe27: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe55: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe17: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe45: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe7F: 0 invalid unmasked
/sys/firmware/acpi/interrupts/sci_not: 0
/sys/firmware/acpi/interrupts/gpe73: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe07: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe35: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe6F: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe63: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe25: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe5F: 0 invalid unmasked
/sys/firmware/acpi/interrupts/gpe_all:41556489
/sys/firmware/acpi/interrupts/gpe53: 0 invalid unmasked
~# echo disable > /sys/firmware/acpi/interrupts/gpe0B
After last command usage comes back to normal.
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