Messages in this thread | | | Date | Mon, 2 Nov 2020 12:12:45 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH] x86/mce: Enable additional error logging on certain Intel CPUs |
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On Fri, Oct 30, 2020 at 12:08:07PM -0700, Luck, Tony wrote: > On Fri, Oct 30, 2020 at 12:04:03PM -0700, Luck, Tony wrote: > > Bah, didn't notice this conversation didn't include LKML. > > > The Xeon versions of Sandy Bridge, Ivy Bridge and Haswell support an > > optional additional error logging mode which is enabled by an MSR. > > > > Previously this mode was enabled from the mcelog(8) tool via /dev/cpu, > > but the kernel is now very picky about which MSRs may be written. So > > move the enabling into the kernel. > > > > Suggested-by: Boris Petkov <bp@alien8.de> > > Signed-off-by: Tony Luck <tony.luck@intel.com> > > --- > > > > N.B. I don't have any of these old systems in my lab any more. So > > this is untested :-(
I do:
# rdmsr 0x0000017f 2
Thx for doing this, queued.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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