RE: [PATCH] x86/mce: Add Skylake quirk for patrol scrub reported errors

2021-03-24 Thread Luck, Tony
> Yeah, into > > fd258dc4442c ("x86/mce: Add Skylake quirk for patrol scrub reported errors") Thanks ... my memory is failing, and I forgot that the patch had been improved and moved from core.c (where I looked for it) into severity.c -Tony

Re: [PATCH] x86/mce: Add Skylake quirk for patrol scrub reported errors

2021-03-24 Thread Borislav Petkov
On Mon, Mar 22, 2021 at 03:37:10PM -0700, Tony Luck wrote: > From: Youquan Song > > Skylake has a mode where the system administrator can use a BIOS setup > option to request that the memory controller report uncorrected errors > found by the patrol scrubber as corrected. This results in them be

Re: [PATCH] x86/mce: Add Skylake quirk for patrol scrub reported errors

2020-06-17 Thread Luck, Tony
On Wed, Jun 17, 2020 at 09:41:58AM +0200, Borislav Petkov wrote: > On Tue, Jun 16, 2020 at 10:33:08PM +, Luck, Tony wrote: > > If the BIOS option is left in the default setting, uncorrectable errors > > found > > by the patrol scrubber are reported with a machine check. Those MSCOD > > and MCA

Re: [PATCH] x86/mce: Add Skylake quirk for patrol scrub reported errors

2020-06-17 Thread Borislav Petkov
On Tue, Jun 16, 2020 at 10:33:08PM +, Luck, Tony wrote: > If the BIOS option is left in the default setting, uncorrectable errors found > by the patrol scrubber are reported with a machine check. Those MSCOD > and MCACOD signatures are the same ... but that's not important because > MCi_STATUS.

RE: [PATCH] x86/mce: Add Skylake quirk for patrol scrub reported errors

2020-06-16 Thread Luck, Tony
> Two things: can that error type be detected when #MC gets raised, i.e., in > do_machine_check() as part of scanning all banks? If the BIOS option is left in the default setting, uncorrectable errors found by the patrol scrubber are reported with a machine check. Those MSCOD and MCACOD signatures

Re: [PATCH] x86/mce: Add Skylake quirk for patrol scrub reported errors

2020-06-16 Thread Borislav Petkov
On Mon, Jun 15, 2020 at 11:40:56AM -0700, Tony Luck wrote: > From: Youquan Song > > Skylake has a mode where the system administrator can use a BIOS setup > option to request that the memory controller report uncorrected errors > found by the patrol scrubber as corrected. This results in them be