severity 574863 grave thanks I am raising the severity because it breaks the entire system.
My system crashed while an lvm snapshot was active, and was not able to boot after that point. grub freaks out and drops the user to a useless "rescue>" prompt, and worse it can not be fixed as long as the snapshot is present, even from a rescue cd. the user will be given errors about not being able to map the root lvm device or otherwise devices not existing or being invalid, even though it has nothing to do with the error, for reasons that the OP has illustrated. sean
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