Date: Thu, 14 Jun 2018 17:12:17 -0400 From: Mike Tancsa <mike@sentex.net> To: Konstantin Belousov <kostikbel@gmail.com> Cc: Eric van Gyzen <eric@vangyzen.net>, current@freebsd.org Subject: Re: Ryzen public erratas (and Epyc ?) Message-ID: <06e0d0d5-6a6b-e4e0-9b15-eb93ccc89b0b@sentex.net> In-Reply-To: <20180614150354.GB2493@kib.kiev.ua> References: <20180613103535.GP2493@kib.kiev.ua> <231dda70-6383-9d5c-d6c3-98e1c784f505@vangyzen.net> <402ba93e-4930-4237-dd53-d20a24b317e3@sentex.net> <20180614150354.GB2493@kib.kiev.ua>
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On 6/14/2018 11:03 AM, Konstantin Belousov wrote: > I am not sure about only microcode update. Depending on the BIOS > vendor and current BIOS, you may need all three: BIOS update, microcode > update using cpucontrol/devcpu-data, and running the script I posted. > In the best case, some of this is just redundand. OK, before and after shows the same microcode rev CPU: AMD EPYC 7281 16-Core Processor (2100.06-MHz K8-class CPU) Origin="AuthenticAMD" Id=0x800f12 Family=0x17 Model=0x1 Stepping=2 Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT> Features2=0x7ed8320b<SSE3,PCLMULQDQ,MON,SSSE3,FMA,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND> AMD Features=0x2e500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM> AMD Features2=0x35c233ff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefetch,OSVW,SKINIT,WDT,TCE,Topology,PCXC,PNXC,DBE,PL2I,MWAITX> Structured Extended Features=0x209c01a9<FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA> XSAVE Features=0xf<XSAVEOPT,XSAVEC,XINUSE,XSAVES> AMD Extended Feature Extensions ID EBX=0x1007<CLZERO,IRPerf,XSaveErPtr> SVM: NP,NRIP,VClean,AFlush,DAssist,NAsids=32768 TSC: P-state invariant, performance statistics # x86info -a | grep -i micro Microcode patch level: 0x8001227 # I then ran the fix script. I will let the box grind away over the weekend to see if it survives. Previously, a couple of hours would lock it up. I am running it now. One thing I did notice is a bunch of these showing up Jun 14 17:11:18 r11epyc kernel: fpudna: fpcurthread == curthread ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 x203 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada
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