Sometimes Ubuntu doesn't connect to my external USB drive

[NoOp]

On 07/12/2011 04:37 AM, Johnny Rosenberg wrote:
> With Ubuntu 10.10 running and the external drive connected to my USB
> port, I start the drive (”Power On”), but nothing more happens.
> What can I do to force Ubuntu to connect to the drive, except at least
> logging out and then login again?
> 
> This problem does not happen very often, maybe once out of 100 or so,
> but still I want to know what I can do to manually ”kick-start” the
> whole thing.
...
Any info in dmesg or /var/log/syslog etc when it happens?