On Fri, May 29, 2020 at 01:55:29PM +0300, Dmitry Antipov wrote:
> Hello,
>
> I'm facing the following kernel messages running Debian 9 with
> custom 5.6.12 kernel running on AMD EPYC 7502 - based hardware:
>
> [138537.806814] mce: [Hardware Error]: Machine check events logged
> [138537.806818] [Hardware Error]: Corrected error, no action required.
> [138537.808456] [Hardware Error]: CPU:0 (17:31:0)
> MC27_STATUS[Over|CE|MiscV|-|-|-|SyndV|-|-|-]: 0xd82000000002080b
> [138537.810080] [Hardware Error]: IPID: 0x0001002e00001e01, Syndrome:
> 0x000000005a000005
> [138537.811694] [Hardware Error]: Power, Interrupts, etc. Ext. Error Code: 2,
> Link Error.
> [138537.813281] [Hardware Error]: cache level: L3/GEN, mem/io: IO, mem-tx:
> GEN, part-proc: SRC (no timeout)
>
> Is it related to some (not so) known CPU errata?
Who knows.
> Should I try to update microcode, motherboard firmware, kernel, or whatever
> else?
Yeah, BIOS update might be a good idea, if there's a newer version for
your board.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
