On Fri, Oct 14, 2011 at 02:23:25AM BST, Magicloud Magiclouds wrote: > The error was "cannot find root $UUID" specified in root bootflag. > I thought something wrong so the uuid of the root was changed. So in > busybox, I `ls -l /dev/disk/by-uuid`, I got two items: dm-1(I am not > quite sure now, maybe it displayed dm-0.), sda1. I knew sda1 was /boot > partition, so I changed boot cmdline with the uuid I found temporally. > Still cannot boot up. No root found with the new uuid. > Then I changed bootflag root to device name > (/dev/mapper/vgroot-lvroot). Then things worked. > In the boot-uped system, I `ls -l /dev/disk/by-uuid`, and found > that, the uuid of root is still the same as in boot cmdline, and the > device is dm-0. dm-1 is the swap.
Could you do it again or on a running system and redirect the output to a file, then attach the file to an email? > So to sum up, my system cannot find lvm root device (dm-0) and its > uuid at boot up. But can be booted up by its device name > (/dev/mapper/vgroot-lvroot). And in boot-uped system, the root device > looks fine in /dev. > What happened? How to fix this? You hadn't mentioned what architecture you're running and what bootloader you're using. What if you regenerate initrd/initramfs? Regards, -- Raf -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20111016174848.ga3...@linuxstuff.pl
