Hello,
I am trying to investigate an issue that occurs during the upgrade of
Ubuntu 9.10 to 10.04 that appears to occur when the root filesystem
resides on a 'removable' device (ie, a flash drive). Things seem to go
wrong when one package's post-install script calls:
udevadm trigger --subsystem-match=block --action=change
After this command is issued, /proc and /sys appear to become unmounted
somehow, and the upgrade fails due to not having /proc mounted.
Does anyone have any advice on how to investigate further why /proc and
/sys are getting unmounted?
Thank you,
Scott Talbert
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