Updated amd microcode do not load after reboot

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After install of updated microcode "sudo apt install amd64-microcode" on ubuntu 16.04, after reboot microcode do not load. Its needed to patch spectre v2 and without it the computer is vulnerable.




[1.702088]microcode: CPU0: patch_level=0x07030105

[1.702099]microcode: CPU1: patch_level=0x07030105

[1.702111]microcode: CPU2: patch_level=0x07030105

[1.702121]microcode: CPU3: patch_level=0x07030105

[1.702181]microcode: Microcode Update Driver: v2.2.










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  • How did you determine that "after reboot microcode do not load"?
    – Byte Commander
    Apr 12 at 11:48










  • by doing "dmesg | grep microcode"
    – José Almeida
    Apr 12 at 11:50










  • it show the same version off microcode that it had before update
    – José Almeida
    Apr 12 at 11:52










  • See askubuntu.com/questions/1016971/…
    – Panther
    Apr 12 at 15:16










  • @Panther OP has AMD, not Intel.
    – heynnema
    Apr 12 at 15:52














up vote
0
down vote

favorite












After install of updated microcode "sudo apt install amd64-microcode" on ubuntu 16.04, after reboot microcode do not load. Its needed to patch spectre v2 and without it the computer is vulnerable.




[1.702088]microcode: CPU0: patch_level=0x07030105

[1.702099]microcode: CPU1: patch_level=0x07030105

[1.702111]microcode: CPU2: patch_level=0x07030105

[1.702121]microcode: CPU3: patch_level=0x07030105

[1.702181]microcode: Microcode Update Driver: v2.2.










share|improve this question























  • How did you determine that "after reboot microcode do not load"?
    – Byte Commander
    Apr 12 at 11:48










  • by doing "dmesg | grep microcode"
    – José Almeida
    Apr 12 at 11:50










  • it show the same version off microcode that it had before update
    – José Almeida
    Apr 12 at 11:52










  • See askubuntu.com/questions/1016971/…
    – Panther
    Apr 12 at 15:16










  • @Panther OP has AMD, not Intel.
    – heynnema
    Apr 12 at 15:52












up vote
0
down vote

favorite









up vote
0
down vote

favorite











After install of updated microcode "sudo apt install amd64-microcode" on ubuntu 16.04, after reboot microcode do not load. Its needed to patch spectre v2 and without it the computer is vulnerable.




[1.702088]microcode: CPU0: patch_level=0x07030105

[1.702099]microcode: CPU1: patch_level=0x07030105

[1.702111]microcode: CPU2: patch_level=0x07030105

[1.702121]microcode: CPU3: patch_level=0x07030105

[1.702181]microcode: Microcode Update Driver: v2.2.










share|improve this question















After install of updated microcode "sudo apt install amd64-microcode" on ubuntu 16.04, after reboot microcode do not load. Its needed to patch spectre v2 and without it the computer is vulnerable.




[1.702088]microcode: CPU0: patch_level=0x07030105

[1.702099]microcode: CPU1: patch_level=0x07030105

[1.702111]microcode: CPU2: patch_level=0x07030105

[1.702121]microcode: CPU3: patch_level=0x07030105

[1.702181]microcode: Microcode Update Driver: v2.2.







64-bit amd-processor microcode






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edited Apr 12 at 13:55

























asked Apr 12 at 11:42









José Almeida

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  • How did you determine that "after reboot microcode do not load"?
    – Byte Commander
    Apr 12 at 11:48










  • by doing "dmesg | grep microcode"
    – José Almeida
    Apr 12 at 11:50










  • it show the same version off microcode that it had before update
    – José Almeida
    Apr 12 at 11:52










  • See askubuntu.com/questions/1016971/…
    – Panther
    Apr 12 at 15:16










  • @Panther OP has AMD, not Intel.
    – heynnema
    Apr 12 at 15:52
















  • How did you determine that "after reboot microcode do not load"?
    – Byte Commander
    Apr 12 at 11:48










  • by doing "dmesg | grep microcode"
    – José Almeida
    Apr 12 at 11:50










  • it show the same version off microcode that it had before update
    – José Almeida
    Apr 12 at 11:52










  • See askubuntu.com/questions/1016971/…
    – Panther
    Apr 12 at 15:16










  • @Panther OP has AMD, not Intel.
    – heynnema
    Apr 12 at 15:52















How did you determine that "after reboot microcode do not load"?
– Byte Commander
Apr 12 at 11:48




How did you determine that "after reboot microcode do not load"?
– Byte Commander
Apr 12 at 11:48












by doing "dmesg | grep microcode"
– José Almeida
Apr 12 at 11:50




by doing "dmesg | grep microcode"
– José Almeida
Apr 12 at 11:50












it show the same version off microcode that it had before update
– José Almeida
Apr 12 at 11:52




it show the same version off microcode that it had before update
– José Almeida
Apr 12 at 11:52












See askubuntu.com/questions/1016971/…
– Panther
Apr 12 at 15:16




See askubuntu.com/questions/1016971/…
– Panther
Apr 12 at 15:16












@Panther OP has AMD, not Intel.
– heynnema
Apr 12 at 15:52




@Panther OP has AMD, not Intel.
– heynnema
Apr 12 at 15:52










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Here, it did not load either, but apt wanted to autoremove it - just to install it again afterwards (on apt-get update). Turns out an "apt-get dist-upgrade" was needed to upgrade the linux-generic. Afterwards, the amd-microcode was uptodate again (and the autoremove issue went away).






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    Here, it did not load either, but apt wanted to autoremove it - just to install it again afterwards (on apt-get update). Turns out an "apt-get dist-upgrade" was needed to upgrade the linux-generic. Afterwards, the amd-microcode was uptodate again (and the autoremove issue went away).






    share|improve this answer
























      up vote
      0
      down vote













      Here, it did not load either, but apt wanted to autoremove it - just to install it again afterwards (on apt-get update). Turns out an "apt-get dist-upgrade" was needed to upgrade the linux-generic. Afterwards, the amd-microcode was uptodate again (and the autoremove issue went away).






      share|improve this answer






















        up vote
        0
        down vote










        up vote
        0
        down vote









        Here, it did not load either, but apt wanted to autoremove it - just to install it again afterwards (on apt-get update). Turns out an "apt-get dist-upgrade" was needed to upgrade the linux-generic. Afterwards, the amd-microcode was uptodate again (and the autoremove issue went away).






        share|improve this answer












        Here, it did not load either, but apt wanted to autoremove it - just to install it again afterwards (on apt-get update). Turns out an "apt-get dist-upgrade" was needed to upgrade the linux-generic. Afterwards, the amd-microcode was uptodate again (and the autoremove issue went away).







        share|improve this answer












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        share|improve this answer










        answered Jun 20 at 9:16









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