[Bug 178015] Re: Kernel upgrade changes root= boot parameter to non-existing UUID

[Alexander Winkler]

I can confirm this behaviour.
However in my case it seemed to be caused by the file /etc/bklid.tab which had wrong UUIDs: I had moved my root-fs to another harddisk with different UUIDs half a year ago and had forgotten to update the UUIDs in /etc/blkid.tab. The upgrade from feisty to gutsy didn't seem to update these values either.
So the new kernel-upgrade must have taken the wrong UUID from /etc/blkid.tab und put it into /boot/grub/menu.lst. Maybe you could check if this is the case on your laptop, too.

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Kernel upgrade changes root= boot parameter to non-existing UUID
https://bugs.launchpad.net/bugs/178015
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