> I had a deeper look into the kernel sources: > > Your error message is exactly thrown by > static bool k8_mc1_mce(u16 ec, u8 xec) > > So probably you have a K8 ;-) > > Have a look at: > http://www.redhat.com/archives/rhelv5-list/2007-October/msg00075.html
I read it, that one sounds like a correctable ECC RAM error. > It *might* be an error concerning ECC error correction. Did you recently > change any hardware? No hardware changed in a very long time. > Could you attach your /proc/cpuinfo? Sure, I've attached it. I'm changing hosts and machines shortly and I've only seen this error once so I'm thinking I don't need to take action. - Grant >> I share this opinion. >> The message says - even if the error was corrected - that there's >> something dramatically wrong with your - i suppose - CPU. >> "Corrected error" might imply, that some low-level feature got disabled >> in order to prevent furher errors. >> >> Does this error appear only once at early boot or frequently? >> >> Regards, >> -- >> Ralf >> >> On 09/23/13 22:07, Volker Armin Hemmann wrote: >>> Am 23.09.2013 20:59, schrieb Paul Hartman: >>>> On Mon, Sep 23, 2013 at 1:45 PM, Grant <[email protected]> wrote: >>>>> Can anyone tell me how to decipher this which has appeared in dmesg? >>>>> Google wasn't very helpful. >>>>> >>>>> [Hardware Error]: MC1 Error: Copyback Parity/Victim error. >>>>> [Hardware Error]: Error Status: Corrected error, no action required. >>>>> [Hardware Error]: CPU:3 (10:2:3) MC1_STATUS[-|CE|-|-|-]: >>>>> 0x9000000000000171 >>>>> [Hardware Error]: cache level: L1, tx: INSN, mem-tx: EV >>>> Looks like machine check error, it detected an error in the L1 cache >>>> on your CPU. >>>> >>>> Since it says "Corrected error, no action required" I would not worry >>>> about it. If that makes you feel any better. :) >>>> >>>> >>> since those errors are rare, I would worry about it.
processor : 0 vendor_id : AuthenticAMD cpu family : 16 model : 2 model name : Quad-Core AMD Opteron(tm) Processor 2352 stepping : 3 microcode : 0x1000065 cpu MHz : 2094.812 cache size : 512 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 4 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs hw_pstate npt lbrv svm_lock bogomips : 4189.62 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 1 vendor_id : AuthenticAMD cpu family : 16 model : 2 model name : Quad-Core AMD Opteron(tm) Processor 2352 stepping : 3 microcode : 0x1000065 cpu MHz : 2094.812 cache size : 512 KB physical id : 0 siblings : 4 core id : 1 cpu cores : 4 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs hw_pstate npt lbrv svm_lock bogomips : 4189.62 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 2 vendor_id : AuthenticAMD cpu family : 16 model : 2 model name : Quad-Core AMD Opteron(tm) Processor 2352 stepping : 3 microcode : 0x1000065 cpu MHz : 2094.812 cache size : 512 KB physical id : 0 siblings : 4 core id : 2 cpu cores : 4 apicid : 2 initial apicid : 2 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs hw_pstate npt lbrv svm_lock bogomips : 4189.62 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 3 vendor_id : AuthenticAMD cpu family : 16 model : 2 model name : Quad-Core AMD Opteron(tm) Processor 2352 stepping : 3 microcode : 0x1000065 cpu MHz : 2094.812 cache size : 512 KB physical id : 0 siblings : 4 core id : 3 cpu cores : 4 apicid : 3 initial apicid : 3 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs hw_pstate npt lbrv svm_lock bogomips : 4189.62 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate
