Date: Tue, 28 Jul 2015 20:40:33 +0200 From: Willem Jan Withagen <wjw@digiware.nl> To: Mike Tancsa <mike@sentex.net>, freebsd-hardware@freebsd.org Subject: Re: L2 cache errors??? Message-ID: <55B7CCA1.4020906@digiware.nl> In-Reply-To: <55B7C059.5020701@sentex.net> References: <55B7B8FA.2060800@digiware.nl> <55B7C059.5020701@sentex.net>
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On 28/07/2015 19:48, Mike Tancsa wrote: > On 7/28/2015 1:16 PM, Willem Jan Withagen wrote: >> Hi, >> >> Are these what I think they are? >> Errors in the CPU L2 cache? >> >> Are the ECC corrected? >> Or is error really "data kaput"? >> > > > Could be. There is also an erratum issue that triggers these errors on > certain CPUs when running software like virtualbox. It was fixed in > RELENG_10 some time ago. What are you running ? > > > https://svnweb.freebsd.org/base?view=revision&revision=269052 > > has some details. 'mmm, Not running Haswell stuff, but rather older hardware. Looked in older logfiles, and there are a few more... All with the same data, except that it is detected on different CPUs And it occurs when running: mbuffer -4 -m 1000M -I 6666 | \ zfs receive -F -d -v zfs to receive a full backup from my fileserver. --WjW No tweeked settings, neither is the CPU overheated. System consumes about 200W, and has a supermicro 450W supply Running 10.2-BETA2 on a CPU: Intel(R) Core(TM)2 Extreme CPU X9650 @ 3.00GHz (3005.62-MHz K8-class CPU) Origin="GenuineIntel" Id=0x10676 Family=0x6 Model=0x17 Stepping=6 Features=0xbfebfbff<FPU,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=0x8e3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1> AMD Features=0x20100800<SYSCALL,NX,LM> AMD Features2=0x1<LAHF> VT-x: Basic Features=0x5a0800<SMM,INS/OUTS> Pin-Based Controls=0x3f<ExtINT,NMI,VNMI> Primary Processor Controls=0xf7f9fffe<INTWIN,TSCOff,HLT,INVLPG,MWAIT,RDPMC,RDTSC,CR3-LD,CR3-ST,CR8-LD,CR8-ST,TPR,NMIWIN,MOV-DR,IO,IOmap,MSRmap,MONITOR,PAUSE> Secondary Processor Controls=0x41<APIC,WBINVD> Exit Controls=0x5a0800<PAT-LD,EFER-SV,PTMR-SV> Entry Controls=0x5a0800 TSC: P-state invariant, performance statistics Instruction TLB: 2M pages, 4-way, 8 entries or 4M pages, 4-way, 4 entries Instruction TLB: 4 KB Pages, 4-way set associative, 128 entries 64-Byte prefetching Data TLB0: 4 KByte pages, 4-way associative, 16 entries Data TLB0: 4 MByte pages, 4-way set associative, 16 entries 2nd-level cache: 6MByte, 24-way set associative, 64 byte line size 1st-level instruction cache: 32 KB, 8-way set associative, 64 byte line size Data TLB1: 4 KByte pages, 4-way associative, 256 entries 1st-level data cache: 32 KB, 8-way set associative, 64 byte line size L2 cache: 6144 kbytes, 16-way associative, 64 bytes/line real memory = 7516192768 (7168 MB) Motherboard: Base Board Information Manufacturer: ASUSTeK Computer INC. Product Name: P5Q-E Version: Rev 1.xx Serial Number: MS1C87B16302305
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