[Bug 2073538] Re: kacpi_notify high cpu on interrupt gpe17

En-Wei Wu,

After a lot of trial and error, I was able to build linux-next and
disable secure boot so I could run the kernel.

I confirmed my copy of linux-next already included the referenced patch.
I am able to now report that it appears to solve the high CPU complaint.
While there still are interrupts as Greg is reporting, I am so happy to see the CPU is idle.

My solution until today has been to rmmod after boot with a root's crontab:
---
$ sudo crontab -l
#Ansible: kernel bug
@reboot sleep 10 && rmmod ucsi_acpi
---


$ grep . -r /sys/firmware/acpi/interrupts/ | awk '$2 > 0'
/sys/firmware/acpi/interrupts/sci: 1247
/sys/firmware/acpi/interrupts/gpe_all: 1247
/sys/firmware/acpi/interrupts/gpe17: 1247 EN enabled unmasked

$ lsmod|egrep ucsi
typec_ucsi 61440 0
typec 114688 1 typec_ucsi

$ sudo modprobe -a
/lib/modules/6.12.0-rc5-next-20241030-custom/kernel/drivers/usb/typec/ucsi/ucsi_acpi.ko

$ lsmod|egrep ucsi
ucsi_acpi 12288 0
typec_ucsi 61440 1 ucsi_acpi
typec 114688 1 typec_ucsi

$ grep . -r /sys/firmware/acpi/interrupts/ | awk '$2 > 0'
/sys/firmware/acpi/interrupts/sci: 1319
/sys/firmware/acpi/interrupts/gpe_all: 1319
/sys/firmware/acpi/interrupts/gpe17: 1319 EN enabled unmasked

$ uptime
10:01:36 up 8 min, 2 users, load average: 0.08, 0.09, 0.07

$ uname -a
Linux victus 6.12.0-rc5-next-20241030-custom #4 SMP PREEMPT_DYNAMIC Fri Nov 1 08:33:33 EDT 2024 x86_64 x86_64 x86_64 GNU/Linux


Thank you for your continued efforts, and Greg Kroah-Hartman <gregkh@linuxfoundation.org> for the commit.

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https://bugs.launchpad.net/bugs/2073538

Title:
kacpi_notify high cpu on interrupt gpe17

Status in linux package in Ubuntu:
Incomplete

Bug description:
Picked up a HP laptop during July sales, and found the CPU soars to 80+ with kacpi_notify hitting GPE17.
I would like some help finding the cause. Google searches were vague about masking the interrupt which did NOT help. If we can find what is calling the interrupts maybe we can better document a solution.

top - 20:00:05 up 10 min, 1 user, load average: 86.24, 76.27, 42.44
Tasks: 453 total, 2 running, 451 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.1 us, 8.5 sy, 0.0 ni, 91.4 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
MiB Mem : 62040.5 total, 51595.7 free, 3166.0 used, 8146.3 buff/cache
MiB Swap: 0.0 total, 0.0 free, 0.0 used. 58874.4 avail Mem

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
127 root 20 0 0 0 0 D 1.3 0.0 0:03.71 [kworker/11:1+kacpi_notify]
280 root 20 0 0 0 0 D 1.3 0.0 0:06.63 [kworker/5:5+kacpi_notify]
314 root 20 0 0 0 0 D 1.3 0.0 0:06.68 [kworker/5:12+kacpi_notify]

ubuntu@ubuntu:~$ grep . -r /sys/firmware/acpi/interrupts/ | awk '$2 > 0'
/sys/firmware/acpi/interrupts/sci: 1907
/sys/firmware/acpi/interrupts/gpe_all: 1907
/sys/firmware/acpi/interrupts/gpe17: 1907 EN enabled unmasked

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.8.0-31-generic 6.8.0-31.31
ProcVersionSignature: Ubuntu 6.8.0-31.31-generic 6.8.1
Uname: Linux 6.8.0-31-generic x86_64
NonfreeKernelModules: zfs
ApportVersion: 2.28.1-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/seq: ubuntu 2813 F.... pipewire
/dev/snd/controlC1: ubuntu 2815 F.... wireplumber
/dev/snd/controlC0: ubuntu 2815 F.... wireplumber
/dev/snd/controlC2: ubuntu 2815 F.... wireplumber
CRDA: N/A
CasperMD5CheckResult: unknown
CasperVersion: 1.498
CloudArchitecture: x86_64
CloudID: nocloud
CloudName: unknown
CloudPlatform: nocloud
CloudSubPlatform: seed-dir (/var/lib/cloud/seed/nocloud)
CurrentDesktop: ubuntu:GNOME
Date: Thu Jul 18 19:52:46 2024
LiveMediaBuild: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
MachineType: HP Victus by HP Gaming Laptop 15-fb2xxx
ProcEnviron:
LANG=C.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz --- quiet splash
RelatedPackageVersions:
linux-restricted-modules-6.8.0-31-generic N/A
linux-backports-modules-6.8.0-31-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/20/2024
dmi.bios.release: 15.3
dmi.bios.vendor: AMI
dmi.bios.version: F.03
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 8C2F
dmi.board.vendor: HP
dmi.board.version: 04.14
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.chassis.version: Chassis Version
dmi.ec.firmware.release: 4.14
dmi.modalias: dmi:bvnAMI:bvrF.03:bd05/20/2024:br15.3:efr4.14:svnHP:pnVictusbyHPGamingLaptop15-fb2xxx:pvr:rvnHP:rn8C2F:rvr04.14:cvnHP:ct10:cvrChassisVersion:skuA14MNUA#ABA:
dmi.product.family: 103C_5335M7 HP Victus
dmi.product.name: Victus by HP Gaming Laptop 15-fb2xxx
dmi.product.sku: A14MNUA#ABA
dmi.sys.vendor: HP

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