Tag: hang on boot

UUID lost after kernel update or update-grub command

Problem: Debian Etch-Lenny-Ubuntu-Servers do not reboot successful after dist-upgrade or kernel-update and stops with Error = “failed to find root file system…” Backround: On Debian Etch/Lenny is the /boot/grub/menu.lst set to use old partition name like hda6 not the UUID system. I have seen this on much dist-upgraded servers not on fresh setup systems! A dist-upgrade often do not overwrite or rebuild a correct menu.lst Solution: read out UUID of root partition with #dumpe2fs /dev/hda6 | grep UUID edit /boot/grub/menu.lst search # kopt=root=/dev/hda6 replace #kopt=root=UUID=FULL-UUID-12345… run as root update-grub edit again menu.list to check.. Check /etc/fstab and replace /dev/hda to […]