Ubuntu: Ubuntu Distribution Upgrade to 12.04 freezes on configuring lswh


For the last few hours, my upgrade window to 12.04 has been stalled at configuring lswh. The top of the terminal window says

irqbalance start/running

There's a fairly long line of errors in the terminal like

error cannot seek /dev/sdc,

most of them coming after the "Generating grub.cfg". A the very bottom of the terminal it says Found Ubuntu 8.04.2 on /dev/sdb3 and then "done" on the final line.

Reading other threads on freezes during upgrade1 gives me some hope I can open another terminal window and fix this and continue with the upgrade, but I haven't found what that command might be. I found some leads here where lshw hangs:

  • bugs.launchpad.net/ubuntu/+source/lshw/+bug/218864

But the solution assumes I can just run a patch, which I can't don in the middle of an upgrade.

These two issues:

seem to suggestion killing or disabling the os-prober, but I'm not sure if I can do that mid-upgrade.

Any suggestions for fixing this?


CTRL-C the upgrade, do whatever you want to do, then dpkg --configure -a to restart it.

Note:If u also have question or solution just comment us below or mail us on toontricks1994@gmail.com
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