Dell - Proxmox - TSC_Deadline 0xb000020

Discussion in 'Proxmox VE: Installation and configuration' started by sconnary32, Jul 11, 2019.

  1. sconnary32

    sconnary32 New Member

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    Good day all.

    I was rebooting a node earlier and saw the following error:
    TSC_Deadline disabled due to Errata... 0xb000020

    Some searching online points to needing to install intel-microcode.

    This forum post: https://forum.proxmox.com/threads/fresh-install-freezes-on-startup.55420/#post-255097 suggests setting to nomodeset.

    We are running on a Dell PowerEdge R630. What is the best approach to fix this issue?

    Thank you,

    Scott
     

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  2. Vladimir Bulgaru

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    Seems like a case of outdated BIOS and outdated microcode of CPU. To quote the explanation from here:

    Your processor microcode (firmware) is old and contains bugs. Sometimes motherboard BIOS updates contain processor microcode updates, but not always, and BIOS isn't always at the latest level.

    To allow OS to update your processor microcode, do this:
    Code:
    apt-add-repository restricted
    apt update
    apt install intel-microcode
    reboot
     
    sconnary32 likes this.
  3. Vladimir Bulgaru

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    @sconnary32
    Btw, from my personal experience with R630s, try to update to latest version the iDRAC, BIOS and RAID controller firmware. Those can really make a difference.
     
    dmulk likes this.
  4. sconnary32

    sconnary32 New Member

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    Thank you very much. I will have to schedule some time to give these suggestions a go. I will try to be sure to follow up with my results.
     
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