Re: [patch] Detect and mitigate uncontrolled ACPI GPE storms

2023-02-24 Thread Theo de Raadt
Brian Conway wrote: > Rationale: There have been a number of threads in the recent past on bugs@ > and misc@ with acpi0 spinning a CPU at 100% [1][2][3][4]. The immediate cause > is likely a buggy BIOS and its ACPI implementation. I do not believe this later statement. I think it is a boot-ti

Re: [patch] Detect and mitigate uncontrolled ACPI GPE storms

2023-02-24 Thread Brian Conway
On Fri, Feb 24, 2023, at 6:52 AM, Dave Voutila wrote: > "Brian Conway" writes: > >> Greetings. I am soliciting feedback on a patch to detect and mitigate >> uncontrolled ACPI GPE interrupt storms. >> >> Rationale: There have been a number of threads in the recent past on bugs@ >> and misc@ with

Re: [patch] Detect and mitigate uncontrolled ACPI GPE storms

2023-02-24 Thread Dave Voutila
"Brian Conway" writes: > Greetings. I am soliciting feedback on a patch to detect and mitigate > uncontrolled ACPI GPE interrupt storms. > > Rationale: There have been a number of threads in the recent past on bugs@ > and misc@ with acpi0 spinning a CPU at 100% [1][2][3][4]. The immediate cau

[patch] Detect and mitigate uncontrolled ACPI GPE storms

2023-02-23 Thread Brian Conway
Greetings. I am soliciting feedback on a patch to detect and mitigate uncontrolled ACPI GPE interrupt storms. Rationale: There have been a number of threads in the recent past on bugs@ and misc@ with acpi0 spinning a CPU at 100% [1][2][3][4]. The immediate cause is likely a buggy BIOS and its A