Re: ACPI IRQ storm with 6.10

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On 14. 08. 24, 7:22, Jiri Slaby wrote:
Hi,

one openSUSE's user reported that with 6.10, he sees one CPU under an IRQ storm from ACPI (sci_interrupt):
    9:   20220768          ...  IR-IO-APIC    9-fasteoi   acpi

At:
https://bugzilla.suse.com/show_bug.cgi?id=1229085

6.9 was OK.

With acpi.debug_level=0x08000000 acpi.debug_layer=0xffffffff, there is a repeated load of:
evgpe-0673 ev_detect_gpe         : Read registers for GPE 6D: Status=20, Enable=00, RunEnable=4A, WakeEnable=00

0x6d seems to count excessively (10 snapshots every 1 second):
/sys/firmware/acpi/interrupts/gpe6D:   82066  EN STS enabled      unmasked
/sys/firmware/acpi/interrupts/gpe6D:   86536  EN STS enabled      unmasked
/sys/firmware/acpi/interrupts/gpe6D:   90990     STS enabled      unmasked
/sys/firmware/acpi/interrupts/gpe6D:   95468  EN STS enabled      unmasked
/sys/firmware/acpi/interrupts/gpe6D:  100282  EN STS enabled      unmasked
/sys/firmware/acpi/interrupts/gpe6D:  105187     STS enabled      unmasked
/sys/firmware/acpi/interrupts/gpe6D:  110014     STS enabled      unmasked
/sys/firmware/acpi/interrupts/gpe6D:  114852     STS enabled      unmasked
/sys/firmware/acpi/interrupts/gpe6D:  119682     STS enabled      unmasked
/sys/firmware/acpi/interrupts/gpe6D:  124194     STS enabled      unmasked
/sys/firmware/acpi/interrupts/gpe6D:  128641  EN STS enabled      unmasked

acpidump:
https://bugzilla.suse.com/attachment.cgi?id=876677

DSDT:
https://bugzilla.suse.com/attachment.cgi?id=876678

Any ideas?

thanks,--
js





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