Is anyone still having this issue and able to help troubleshoot it?
** Changed in: util-linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1011007
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The upstream Redhat bug is closed as NOTABUG, but the situation was not
discussed there properly. There was an assumption made that the
partition was part of a software raid array at some point. This was not
the case for me (brand new disk when installed, only ever in one
layout), however it was
Same problem here: After a reboot, Ubuntu 12.04 didn't mount the rootfs
properly anymore, dropping me into busybox with a misleading error
message (cf. attached acreenshot). Looks like libblkid looks for the
magic number 0x2F00 at byte 96 of the last (partial) 512 byte block
of the device.
Since this was a LVM device which was misidentified, I fixed it without
fiddling with the file system by extending the device slightly:
root@Otherland:~# lvextend -L +512B /dev/mapper/hd-sys
Rounding up size to full physical extent 4.00 MiB
Extending logical volume sys to 13.18 GiB
Logical
