[Bug 425112] Re: error: cannot open `/dev/sdb' while attempting to get disk size - grub2 update

[hexion]

This was affecting my system too.

/dev/sdb was the descriptor for a external drive that's no longer
present in the system. I only connect it sometimes.

My /boot/grub/device.map looked like this:
(hd0) /dev/sda
(hd1) /dev/sdb

I removed the second line and the problem disappeared.

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error: cannot open `/dev/sdb' while attempting to get disk size - grub2 update
https://bugs.launchpad.net/bugs/425112
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