On 2017.09.09 at 16:07 +0200, Borislav Petkov wrote: > On Sat, Sep 09, 2017 at 03:39:54PM +0200, Markus Trippelsdorf wrote: > > > mce: [Hardware Error]: CPU: 0 Machine Check Exception: 4 Bank 4: > > > fa000010000b0c0f > > > mce: [Hardware Error]: TSC b75d6ef4ad MISC c00a00001000000 > > > mce: [Hardware Error]: PROCESSOR 2:100f42 TIME 1504963036 SOCKET 0 APIC 0 > > > microcode 1000db > > > > Decoded: > > > > CPU: 0 Machine Check Exception: 4 Bank 4: fa000010000b0c0f > > Hardware event. This is not a software error. > > CPU 0 0 data cache TSC b75d6ef4ad > > TIME 1504963036 Sat Sep 9 15:17:16 2017 > > STATUS 0 MCGSTATUS 0 > > CPUID Vendor AMD Family 16 Model 4 > > SOCKET 0 APIC 0 microcode 1000db > > Yeah, this is not really decoding it - I need to address that case of > uncorrectable MCE not being decoded too. > > In any case, it is not E383: > > MC4_STATUS[Val|Over|UC|EN|MiscV|PCC|UECC|EEC: GART cache table walk > encountered an invalid PTE (0x05)|ET: TLB(tt:GEN;ll:LG)]: 0xfa0020000005001b > > And those should actually be masked out: > > "BIOS is recommended to mask GART table walk errors by setting the bit > in MSRC001_0048 corresponding to F3x40[GartTblWkEn]." > > And we disable those but for some reason, it doesn't stick :-) > > Do > > # rdmsr -a 0x00000410
3fffffff 0 0 0 > # rdmsr -a 0xc0010048 780400 780400 780400 780400 -- Markus