[gentoo-amd64] how to track down strange bug

[Florian D.]

Hi,
I have been hitting by a bug for ages, which I want to get rid of 
eventually ;)

It is not possible for me to watch TV via xawtv, while doing IO 
intensive tasks in the background. In the majority of cases, it 
suffices to copy a, say, 50MB file from my USB-stick to the harddisk 
to freeze my amd64 machine (but, funny enough, the sound is playing 
further on).

Since I suppose that people don´t have any clue what its going on 
here, I just want to ask, what is the best way to debug this? There is 
nothing in the log file.

TIA
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