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I'm on Ubuntu server (I think it's 12.04, but not positive) and I basically ran into this problem here Unmount a nfs mount where the nfs server has disappeared

The umount command didn't work, so I tried to just use the ol' reboot. Now the machine gets an error when booting:

FS-Cache:netfs 'nfs' registered for caching
<two minutes later>
init: udevtrigger post-stop process (345) terminated with status 1

I tried booting in recovery mode so I could just comment out the bad NFS mount in my /etc/fstab file, but I wasn't able to write the changes.

I basically just want to get the machine booting properly again so that I can erase the bad mount point, either order is fine.

What are my options here?

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s g
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2 Answers2

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You can try to do this in rescue mode:

mount -o remount,rw /

and then modify your /etc/fstab.

Or boot LiveCD and mount / somewhere with "rw".

Danila Ladner
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  • So I got into recovery mode and ran mount -o remount,rw / which allowed me to get rid of my bad NFS mounts in /etc/fstab, but now my boot (in non-recovery) has seemingly gotten worse -- I get no output on the screen after selecting normal boot from the GRUB menu! – s g Dec 13 '13 at 22:36
  • It has nothing to do with you removing NSF record with /etc/fstab. use alt + ctl to switch tty to see what comes on boot to stdout to see any boot errors. – Danila Ladner Dec 13 '13 at 23:46
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I got into recovery mode and ran mount -o remount,rw / which allowed me to get rid of my bad NFS mounts in /etc/fstab (and I prevented further issues by adding the intr option to the NFS entries), but then my boot (in non-recovery) seemingly got worse -- I got no output on the screen after selecting normal boot from the GRUB menu!

I then added nomodeset to the GRUB_CMDLINE_LINUX_DEFAULT boot option list and everything worked.

I have no idea how those two were related, but that's what fixed the issue.

s g
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  • So you really did exactly what @DanilaLadner recommended. Why post your own answer with the same content instead of just accepting his answer? – EEAA May 20 '14 at 20:51
  • Because there was additional information – s g May 20 '14 at 20:53
  • He pointed you in the right direction. If there was additional info, edit his answer and include it and then accept that answer. – EEAA May 20 '14 at 20:54