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
11-CURRENT r275641 panic: Unrecoverable machine check exception
Hi. I see such a panic the first time in 10 years. 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 GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type show copying to see the conditions. There is absolutely no warranty for GDB. Type show warranty for details. This GDB was configured as amd64-marcel-freebsd... Unread portion of the kernel message buffer: MCA: Bank 6, Status 0xfe241136 MCA: Global Cap 0x0c07, Status 0x0005 MCA: Vendor GenuineIntel, ID 0x206a7, APIC ID 1 MCA: CPU 1 UNCOR PCC OVER DCACHE L2 DRD error MCA: Address 0xbd8d4cc0 MCA: Misc 0x30e386 MCA: Bank 6, Status 0xfe241136 MCA: Global Cap 0x0c07, Status 0x0005 MCA: Vendor GenuineIntel, ID 0x206a7, APIC ID 0 MCA: CPU 0 UNCOR PCC OVER DCACHE L2 DRD error MCA: Address 0xbd8d4cc0 MCA: Misc 0x30e386 panic: Unrecoverable machine check exception cpuid = 0 KDB: stack backtrace: #0 0x80a00870 at kdb_backtrace+0x60 #1 0x809be5b1 at panic+0x1c1 #2 0x80f784ab at mca_intr+0x6b #3 0x80e55bb9 at trap+0x99 #4 0x80e38b22 at calltrap+0x8 Uptime: 1h44m14s Dumping 675 out of 6050 MB:..3%..12%..22%..31%..41%..53%..62%..72%..81%..93% Reading symbols from /boot/kernel/coretemp.ko.symbols...done. Loaded symbols for /boot/kernel/coretemp.ko.symbols Reading symbols from /boot/kernel/ichwd.ko.symbols...done. Loaded symbols for /boot/kernel/ichwd.ko.symbols Reading symbols from /boot/kernel/fdescfs.ko.symbols...done. Loaded symbols for /boot/kernel/fdescfs.ko.symbols Reading symbols from /boot/kernel/linprocfs.ko.symbols...done. Loaded symbols for /boot/kernel/linprocfs.ko.symbols Reading symbols from /boot/kernel/linux.ko.symbols...done. Loaded symbols for /boot/kernel/linux.ko.symbols Reading symbols from /boot/kernel/linsysfs.ko.symbols...done. Loaded symbols for /boot/kernel/linsysfs.ko.symbols Reading symbols from /boot/kernel/if_bridge.ko.symbols...done. Loaded symbols for /boot/kernel/if_bridge.ko.symbols Reading symbols from /boot/kernel/bridgestp.ko.symbols...done. Loaded symbols for /boot/kernel/bridgestp.ko.symbols Reading symbols from /boot/kernel/cpuctl.ko.symbols...done. Loaded symbols for /boot/kernel/cpuctl.ko.symbols Reading symbols from /boot/kernel/aesni.ko.symbols...done. Loaded symbols for /boot/kernel/aesni.ko.symbols Reading symbols from /boot/kernel/crypto.ko.symbols...done. Loaded symbols for /boot/kernel/crypto.ko.symbols Reading symbols from /boot/kernel/cryptodev.ko.symbols...done. Loaded symbols for /boot/kernel/cryptodev.ko.symbols Reading symbols from /boot/kernel/sem.ko.symbols...done. Loaded symbols for /boot/kernel/sem.ko.symbols Reading symbols from /boot/kernel/accf_data.ko.symbols...done. Loaded symbols for /boot/kernel/accf_data.ko.symbols Reading symbols from /boot/kernel/accf_http.ko.symbols...done. Loaded symbols for /boot/kernel/accf_http.ko.symbols Reading symbols from /boot/kernel/accf_dns.ko.symbols...done. Loaded symbols for /boot/kernel/accf_dns.ko.symbols Reading symbols from /boot/kernel/h_ertt.ko.symbols...done. Loaded symbols for /boot/kernel/h_ertt.ko.symbols Reading symbols from /boot/kernel/cc_cdg.ko.symbols...done. Loaded symbols for /boot/kernel/cc_cdg.ko.symbols Reading symbols from /boot/kernel/cc_chd.ko.symbols...done. Loaded symbols for /boot/kernel/cc_chd.ko.symbols Reading symbols from /boot/kernel/cc_cubic.ko.symbols...done. Loaded symbols for /boot/kernel/cc_cubic.ko.symbols Reading symbols from /boot/kernel/cc_hd.ko.symbols...done. Loaded symbols for /boot/kernel/cc_hd.ko.symbols Reading symbols from /boot/kernel/cc_htcp.ko.symbols...done. Loaded symbols for /boot/kernel/cc_htcp.ko.symbols Reading symbols from /boot/kernel/cc_vegas.ko.symbols...done. Loaded symbols for /boot/kernel/cc_vegas.ko.symbols Reading symbols from /boot/kernel/aio.ko.symbols...done. Loaded symbols for /boot/kernel/aio.ko.symbols Reading symbols from /boot/kernel/tmpfs.ko.symbols...done. Loaded symbols for /boot/kernel/tmpfs.ko.symbols Reading symbols from /boot/kernel/fuse.ko.symbols...done. Loaded symbols for /boot/kernel/fuse.ko.symbols Reading symbols from /boot/kernel/acpi_hp.ko.symbols...done. Loaded symbols for /boot/kernel/acpi_hp.ko.symbols Reading symbols from /boot/kernel/acpi_wmi.ko.symbols...done. Loaded symbols for /boot/kernel/acpi_wmi.ko.symbols Reading symbols from /boot/kernel/acpi_video.ko.symbols...done. Loaded symbols for /boot/kernel/acpi_video.ko.symbols Reading symbols from /boot/kernel/drm.ko.symbols...done. Loaded symbols for /boot/kernel/drm.ko.symbols Reading symbols from /boot/kernel/smbus.ko.symbols...done. Loaded
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
