Freeze when writing large amount of data to iPod through USB

I used to take backups of my PowerBook to my 60G iPod video. Backups are taken with tar in terminal directly to mounted iPod volume.
Now, every time I try to write a big amount of data to iPod (from MacBook Pro), the whole system freezes (mouse cursor moves, but nothing else can be done). When the USB-cable is pulled off, the system recovers and acts as it should. This problem happens every time a large amount of data is written to iPod.
The same iPod works perfectly (when backupping) in PowerBook and small amounts of data can be easily written to it (in MacBook Pro) without problems.
Does anyone else have the same problem? Any ideas why is this and how to resolve the issue?
MacBook Pro, 2.0Ghz, 100GB 7200RPM, 1GB Ram Mac OS X (10.4.5) IPod Video 60G connected through USB

Ex PC user...never had a problem.
Got a MacBook Pro last week...having the same issues...and this is now with an exchanged machine!
I've read elsewhere that it's something to do with the USB timing out. And if you get a new USB port and attach it (and it's powered separately), it should work. Kind of a bummer, but, those folks who tried it say it works.
Me, I can upload to Ipod piecemeal, manually...but even then, it sometimes freezes.
The good news is that once the Ipod is loaded, the problem shouldnt' happen. It's the large amounts of data.
Apple should DEFINITELY fix this though. Unbelievable.
MacBook Pro 2.0 Mac OS X (10.4.6)

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