I have an older P4 system with hyperthreading and it seems the updated microcode was loaded when I installed the package:
Sep 7 08:29:23 kernel: [1268878.007882] platform microcode: firmware: agent loaded intel-ucode/0f-04-01 into memory Sep 7 08:29:23 kernel: [1268878.007943] platform microcode: firmware: agent loaded intel-ucode/0f-04-01 into memory And then when I restarted the system: Sep 7 08:33:59 kernel: [ 5.775045] microcode: CPU0 sig=0xf41, pf=0x10, revision=0x17 Sep 7 08:33:59 kernel: [ 5.930785] platform microcode: firmware: agent loaded intel-ucode/0f-04-01 into memory Sep 7 08:33:59 kernel: [ 5.930832] microcode: CPU1 sig=0xf41, pf=0x10, revision=0x17 Sep 7 08:33:59 kernel: [ 5.930873] platform microcode: firmware: agent loaded intel-ucode/0f-04-01 into memory Sep 7 08:33:59 kernel: [ 5.930979] microcode: Microcode Update Driver: v2.00 <tig...@aivazian.fsnet.co.uk>, Peter Oruba - Nate -- "The optimist proclaims that we live in the best of all possible worlds. The pessimist fears this is true." Ham radio, Linux, bikes, and more: http://www.n0nb.us -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20130907134531.ga4...@n0nb.us