[CentOS-virt] centos-virt CPU microcode updates?
Sarah Newman
srn at prgmr.comThu May 16 19:03:12 UTC 2019
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On 5/16/19 2:12 AM, Karel Hendrych wrote: > Hi, > > is there any guide for CPU microcode updates on CentOS6, Xen 4.10, kernel 4.9 ? I'm not sure off the top of my head. You can add ucode=scan to the xen command line, add a file /path/to/microcode_file as the last item in your boot list, and generate that microcode file using something like: iucode_tool --write-earlyfw "${OUT_BLOB_FILE}" \ "${TEMP_DIR_NAME}/intel-ucode" \ "${TEMP_DIR_NAME}/intel-ucode-with-caveats" Where the last two items have been extracted from the intel microcode tarball. --Sarah
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