On Wed, Jun 17, 2020 at 09:41:58AM +0200, Borislav Petkov wrote: > On Tue, Jun 16, 2020 at 10:33:08PM +0000, 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.UC==1. So Linux doesn't need to jump through hoops to > > "upgrade" the severity. > > No, this is not what I meant: I meant when you have the setting enabled > to downgrade those errors, can they be detected as part of another MCE > being raised...
Yes one of these downgraded error logs could be sitting in a bank whe a different machine check fires. But the severity calculation will ignore it as MCi_STATUS.EN==0 -Tony
