Am 28.03.2015 um 23:00 schrieb Sebas Pedersen: > On 28-03-2015 06:45 PM, Volker Armin Hemmann wrote: >> Am 28.03.2015 um 14:58 schrieb Sebas Pedersen: >>> Hi guys, >>> >>> From a few days ago I am experimenting an MCE error. >>> Sometimes I turn on the computer and at some point while booting the >>> kernel (after the grub menu) just freezes and puts this: >>> >>> CPU 0: Machine Check Exception: 4 Bank 4: b200000000070f0f >>> TSC f5acc9180 >>> PROCESSOR 2:20fc2 TIME 1427486735 SOCKET 0 APIC 0 microcode 0 >>> >>> the number for TSC may vary, but the b200000000070f0f it's always the >>> same (at least for now). The error message suggest to parse the above >>> error with mcelog. I did that and the result was: >>> >>> Hardware event. This is not a software error. >>> CPU 0 4 northbridge TSC f5acc9180 >>> TIME 1427486735 Fri Mar 27 17:05:35 2015 >>> Northbridge Watchdog error >>> bit57 = processor context corrupt >>> bit61 = error uncorrected >>> bus error 'generic participation, request timed out >>> generic error mem transaction >>> generic access, level generic' >>> STATUS b200000000070f0f MCGSTATUS 4 >>> CPUID Vendor AMD Family 15 Model 44 >>> SOCKET 0 APIC 0 microcode 0 >>> >>> The error suggest it's a hardware problem. I replace de RAM with no >>> luck. Same error keeps happening. >>> >>> Any suggestion for identifying the problem or how to procede? >>> >>> Many thanks in advance! >>> >>> Sebas >>> >>> >> >> bios update/microcode update. A google search suggests that you have run >> into an errata. > > Oh OK, thank you. Must have miss that in the search. So you are saying > that the error comes from a bios errata (and don't know what microdode > is), and the fix is to update bios?
no, possibly from a CPU errata and a bios update might bring in the microcode update that works around that.
