Date: Wed, 10 Jul 2019 12:56:26 -0400 From: Mike Tancsa <mike@sentex.net> To: "damian@damianek.be" <damian@damianek.be>, freebsd-hackers@freebsd.org Subject: Re: FreeBSD mds mitigation. Message-ID: <babedd6c-2c8b-eb5d-7a55-bd403c131054@sentex.net> In-Reply-To: <CA%2B6J3veBFdeTbeeQ_9EZo4L36A0cMREQjab8E6Z1LgNAvJAZ1Q@mail.gmail.com> References: <CA%2B6J3vcK_FxBbnx%2Bzyo3kFr3dB2LF5C4qQoiH5=bMd04aTjzKQ@mail.gmail.com> <20190710095247.GC47193@kib.kiev.ua> <CA%2B6J3veBFdeTbeeQ_9EZo4L36A0cMREQjab8E6Z1LgNAvJAZ1Q@mail.gmail.com>
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On 7/10/2019 6:15 AM, damian@damianek.be wrote: > >> How did you installed the microcode ? Was it loaded ? >> Show the dmesg output after the 'cpucontrol -e /dev/cpuctl0'. >> > I install microcode in /usr/local/share/cpucontrol, > load at boot. > Try the port sysutils/devcpu-data/ and install the firmware from the bootloader. You do need a more recent RELENG_11 or 11.3R in /boot/loader.conf cpu_microcode_load="YES" cpu_microcode_name="/boot/firmware/intel-ucode.bin" At bootup time you will see something like CPU microcode: updated from 0x1d to 0x27 CPU: Intel(R) Xeon(R) CPU E3-1226 v3 @ 3.30GHz (3300.07-MHz K8-class CPU) Origin="GenuineIntel" Id=0x306c3 Family=0x6 Model=0x3c Stepping=3 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=0x7ffafbff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,SDBG,FMA,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND> AMD Features=0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM> AMD Features2=0x21<LAHF,ABM> Structured Extended Features=0x27ab<FSGSBASE,TSCADJ,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,NFPUSG> Structured Extended Features3=0x9c000400<MD_CLEAR,IBPB,STIBP,L1DFL,SSBD> XSAVE Features=0x1<XSAVEOPT> VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID TSC: P-state invariant, performance statistics ---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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