I've had two server oses here: alma linux and debian(currently). On both of them, they will hang when I shut them down from cockpit, and they hang at the end of the shutdown.

Also, it takes an hour to a day to have this issue start. if it's restarted two times in a row quickly, it works perfectly fine for some reason.

What I've tried:

  • setting "acpi=off" and "acpi=force" kernel parameters in grub
  • removing my nvidia gpu(i was using nouveau drivers)
  • changing distros

nothing worked. here are some things that both distros had in common with eachother:

  • systemd
  • cockpit
  • libvirt & qemu
  • docker

does anyone have advice? nothing i've seen online has worked. thank you for suggestions

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[–] 3 points 1 year ago (30 children)

Is it actual server hardware? I've seen some very weird things with real servers that take ages to reboot (I was assuming it was self checking or something). Are you sure its hung, and not just very slow to shutdown/reboot?

Is there any serial/monitor output before the hang?

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  • [–] [S] 9 points 1 year ago (28 children)

    Monitor output after shutting down:

    I've given it 6 hours or so to shut down, so it's almost 100% a hang not a slow shutdown

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  • [–] 3 points 1 year ago (1 child)

    seems its a nvidia issue, i also have that issue, the gpu locks and i need to reboot while the VM with the nvidia passthrough freezes. i need a full reboot from baremetal machine to stop gpu using all his power stuck, don't let it be for hours being on or you will kill your hardware

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  • [–] [S] 3 points 1 year ago (1 child)

    I have removed my gpu and the issue is still present.

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  • [–] 1 point 1 year ago (1 child)

    yes sorry I read you after writting it, if you remove the GPU the log message is the same but without the GPU lockup line?

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