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Re: Regarding microcode update




On 26.03.18 19:05, VigneshDhanraj G wrote:
After microcode update, for signature=0x306a9 upgraded revision should be
0x1f but dmesg shows wrong revision any ideas what went wrong.

according to the log, firmware was updated from 0x17 to 0x1b
which version of intel-microcode do you have installed?
did you reboot after upgrading the package?

In intel release notes, came across the below notes which says that it
should upgraded to 0x1f.
IVB E2 6-3a-9:12 1c->1f

dhanraj@debian:~$ dmesg | grep microcode
[    2.542014] microcode: CPU0 sig=0x306a9, pf=0x2, revision=0x17
[    2.543391] platform microcode: firmware: agent loaded
intel-ucode/06-3a-09 into memory
[    2.543971] microcode: CPU0 updated to revision 0x1b, date = 2014-05-29
[    2.543997] microcode: CPU1 sig=0x306a9, pf=0x2, revision=0x17
[    2.545378] platform microcode: firmware: agent loaded
intel-ucode/06-3a-09 into memory
[    2.545647] microcode: CPU1 updated to revision 0x1b, date = 2014-05-29
[    2.545674] microcode: CPU2 sig=0x306a9, pf=0x2, revision=0x17
[    2.547079] platform microcode: firmware: agent loaded
intel-ucode/06-3a-09 into memory
[    2.547357] microcode: CPU2 updated to revision 0x1b, date = 2014-05-29
[    2.547366] microcode: CPU3 sig=0x306a9, pf=0x2, revision=0x17
[    2.548655] platform microcode: firmware: agent loaded
intel-ucode/06-3a-09 into memory
[    2.548920] microcode: CPU3 updated to revision 0x1b, date = 2014-05-29
[    2.548942] microcode: CPU4 sig=0x306a9, pf=0x2, revision=0x17
[    2.550180] platform microcode: firmware: agent loaded
intel-ucode/06-3a-09 into memory
[    2.550460] microcode: CPU4 updated to revision 0x1b, date = 2014-05-29
[    2.550480] microcode: CPU5 sig=0x306a9, pf=0x2, revision=0x17
[    2.551675] platform microcode: firmware: agent loaded
intel-ucode/06-3a-09 into memory
[    2.551957] microcode: CPU5 updated to revision 0x1b, date = 2014-05-29
[    2.551978] microcode: CPU6 sig=0x306a9, pf=0x2, revision=0x17
[    2.553162] platform microcode: firmware: agent loaded
intel-ucode/06-3a-09 into memory
[    2.553429] microcode: CPU6 updated to revision 0x1b, date = 2014-05-29
[    2.553435] microcode: CPU7 sig=0x306a9, pf=0x2, revision=0x17
[    2.554585] platform microcode: firmware: agent loaded
intel-ucode/06-3a-09 into memory
[    2.554851] microcode: CPU7 updated to revision 0x1b, date = 2014-05-29
[    2.554898] microcode: Microcode Update Driver: v2.00 <
tigran@xxxxxxxxxxxxxxxxxxxx>, Peter Oruba

Need to understand what went wrong in my side.

Regards,
Vigneshdhanraj

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