[Bug 38688] Re: unable to boot

[Scott James Remnant]

Nope, that was a good guess :)

Could you try rebooting into the broken system again, and do "grep ata_piix /proc/modules" to see whether it's loaded; if not, could you check whether you have anything like /dev/hd* -- your SATA controller may have regressed to the dark ages.

Also can you do ls /sys/block and give the list of what's in there (ignore the ram and dm stuff)
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unable to boot
https://launchpad.net/malone/bugs/38688