I had the same problem when using Amarok in Ubuntu with Kde installed,
after an external hard drive (fat32 partition) was mounted. Not only
Amarok froze but the entire system and I had to reboot by switching off
the computer.
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Kde eventually crash on new media load
https://launchpad.net/bugs/32
Your bug lacks information we would need to investigate further. We
are now going to close the bug - please reopen if you have more
information at hand.
** Changed in: kdebase (Ubuntu)
Status: Needs Info => Rejected
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Kde eventually crash on new media load
https://launchpad.net/bugs/3283