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While I was upgrading from Ubuntu 9.04 to 9.10, the box lost power (I think while it was paused at one of those stupid prompts about whether to replace a config file!). Now it hangs during the boot. The last message is:

/proc/bus/usb: waiting for none

Now what?

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you could try booting from a Live CD and using chroot to get an operable shell in the unbootable system, from which you could finish the upgrade. Or you could boot a Live CD, plug in an external hard drive, copy all your data off of the computer, and reinstall.

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The chroot is a great idea! I'll try it! – Bert Nov 6 '09 at 17:23
needed to do this first: knoppix.net/wiki/Dev_null_permission_denied – Bert Nov 6 '09 at 17:34
Oh yeah, the bind mount thing. – Ryan Thompson Nov 6 '09 at 19:58
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