Re: 11-CURRENT r275641 panic: Unrecoverable machine check exception
В Mon, 15 Dec 2014 17:49:54 + Rang, Anton anton.r...@isilon.com пишет: I certainly could be wrong - but how to know for sure the cause of the panic? MCA: CPU 0 UNCOR PCC OVER DCACHE L2 DRD error MCA: Address 0xbd8d4cc0 MCA: Misc 0x30e386 The root cause may be hard to determine, but the immediate cause was helpfully decoded by the kernel. (Though I don't know whether all of the model-specific fields were decoded.) UNCOR = uncorrected error PCC = processor context corrupted (can't safely continue to execute, thus the panic) OVER = error overflow (hmmm, multiple errors occurred) DCACHE L2 DRD = data being read from L2 data cache The miscellaneous register indicates that 0xbd8d4cc0 is a physical address. So this looks like a processor failure. If it is repeatable, though, it may indicate either failed hardware or some problem in configuring the processor (though I'm not sure how that could lead to a cache error). Anton Thank you. ___ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to freebsd-current-unsubscr...@freebsd.org
RE: 11-CURRENT r275641 panic: Unrecoverable machine check exception
I certainly could be wrong - but how to know for sure the cause of the panic? MCA: CPU 0 UNCOR PCC OVER DCACHE L2 DRD error MCA: Address 0xbd8d4cc0 MCA: Misc 0x30e386 The root cause may be hard to determine, but the immediate cause was helpfully decoded by the kernel. (Though I don't know whether all of the model-specific fields were decoded.) UNCOR = uncorrected error PCC = processor context corrupted (can't safely continue to execute, thus the panic) OVER = error overflow (hmmm, multiple errors occurred) DCACHE L2 DRD = data being read from L2 data cache The miscellaneous register indicates that 0xbd8d4cc0 is a physical address. So this looks like a processor failure. If it is repeatable, though, it may indicate either failed hardware or some problem in configuring the processor (though I'm not sure how that could lead to a cache error). Anton ___ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to freebsd-current-unsubscr...@freebsd.org
Re: 11-CURRENT r275641 panic: Unrecoverable machine check exception
В Sat, 13 Dec 2014 02:18:47 +0200 Andriy Gapon a...@freebsd.org пишет: On 12/12/2014 21:46, Ivan Klymenko wrote: Hi. I see such a panic the first time in 10 years. good and how Fri Dec 12 21:35:11 EET 2014 FreeBSD nonamehost.local 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r275641: Tue Dec 9 17:03:43 EET 2014 ivan@nonamehost.local:/media/da0s1/obj/usr/src/sys/mk11 amd64 panic: Unrecoverable machine check exception Google for machine check exception if you haven't yet. I very much doubt that it is a hardware problem - in the other case, I would not write about it here -CPU is not overclocked -Memory (RAM) is in order -no overheating -panic accurately reproduced - not occur randomly -Panic occurs without high load CPU -mcelog --no-dmi --ascii - nothing I suspect that the added non-existent instructions for my CPU CPU: Intel(R) Core(TM) i5-2410M CPU @ 2.30GHz (2294.84-MHz K8-class CPU) Origin=GenuineIntel Id=0x206a7 Family=0x6 Model=0x2a Stepping=7 Dec 13 10:11:45 nonamehost kernel: Features=0xbfebfbffFPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT, TM,PBE Features2=0x1fbae3bfSSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,TSCDLT,AESNI,X SAVE,OSXSAVE,AVX AMD Features=0x28100800SYSCALL,NX,RDTSCP,LM AMD Features2=0x1LAHF Dec 13 10:11:45 nonamehost kernel: XSAVE Features=0x1XSAVEOPT and it manifests itself in the assembly source code with the flag CPUTYPE?=corei7-avx I certainly could be wrong - but how to know for sure the cause of the panic? Best regards. ___ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to freebsd-current-unsubscr...@freebsd.org
Re: 11-CURRENT r275641 panic: Unrecoverable machine check exception
On 13/12/2014 11:38, Ivan Klymenko wrote: -mcelog --no-dmi --ascii - nothing Really? mcelog: Unsupported new Family 6 Model 2a CPU: only decoding architectural errors HARDWARE ERROR. This is *NOT* a software problem! Please contact your hardware vendor CPU 1 BANK 6 MISC 30e386 ADDR bd8d4cc0 MCG status:RIPV MCIP MCi status: Error overflow Uncorrected error Error enabled MCi_MISC register valid MCi_ADDR register valid Processor context corrupt MCA: corrected filtering (some unreported errors in same region) Data CACHE Level-2 Data-Read Error STATUS fe241136 MCGSTATUS 5 MCGCAP c07 APICID 1 SOCKETID 0 CPUID Vendor Intel Family 6 Model 42 -- Andriy Gapon ___ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to freebsd-current-unsubscr...@freebsd.org
Re: 11-CURRENT r275641 panic: Unrecoverable machine check exception
В Sat, 13 Dec 2014 13:40:13 +0200 Andriy Gapon a...@freebsd.org пишет: On 13/12/2014 11:38, Ivan Klymenko wrote: -mcelog --no-dmi --ascii - nothing Really? mcelog: Unsupported new Family 6 Model 2a CPU: only decoding architectural errors HARDWARE ERROR. This is *NOT* a software problem! Please contact your hardware vendor CPU 1 BANK 6 MISC 30e386 ADDR bd8d4cc0 MCG status:RIPV MCIP MCi status: Error overflow Uncorrected error Error enabled MCi_MISC register valid MCi_ADDR register valid Processor context corrupt MCA: corrected filtering (some unreported errors in same region) Data CACHE Level-2 Data-Read Error STATUS fe241136 MCGSTATUS 5 MCGCAP c07 APICID 1 SOCKETID 0 CPUID Vendor Intel Family 6 Model 42 hm. sorry I was wrong file core.txt.xxx ___ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to freebsd-current-unsubscr...@freebsd.org
Re: 11-CURRENT r275641 panic: Unrecoverable machine check exception
This panic is reproduced as follows: I'm trying to write *.iso an optical disc in k3b. ___ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to freebsd-current-unsubscr...@freebsd.org
Re: 11-CURRENT r275641 panic: Unrecoverable machine check exception
On 12/12/2014 21:46, Ivan Klymenko wrote: Hi. I see such a panic the first time in 10 years. good Fri Dec 12 21:35:11 EET 2014 FreeBSD nonamehost.local 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r275641: Tue Dec 9 17:03:43 EET 2014 ivan@nonamehost.local:/media/da0s1/obj/usr/src/sys/mk11 amd64 panic: Unrecoverable machine check exception Google for machine check exception if you haven't yet. -- Andriy Gapon ___ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to freebsd-current-unsubscr...@freebsd.org
