Messages in this thread | | | Date | Mon, 4 Jan 2021 10:50:10 +0100 | From | Borislav Petkov <> | Subject | Re: PROBLEM: CPU hotplug leads to NULL pointer dereference with RAPL enabled on AMD 2990WX |
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On Mon, Jan 04, 2021 at 12:02:44AM +0100, Johnathan Smithinovic wrote: > CPU hotplug leads to NULL pointer dereference with RAPL enabled on AMD 2990WX > > > When hot-plugging CPUs (e.g. manually or on suspend) I get a NULL > pointer dereference in rapl_cpu_offline() for CPUs 16 and 24. > It *seems* to me that this has to do with commit > 700d098acec5271161606f3c0086b71695ea2ef8 > ("x86/CPU/AMD: Save AMD NodeId as cpu_die_id"). > When reverting said commit hotplug works again.
Yeah, known issue and I'm working on it.
Thx for reporting.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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