PBM: panic in TTM module with 2.6.38, how do I get a trace?

[VinzC]

Hi.

I get random panics with 2.6.38 (less than once in a day) but don't seem to have a trace in /var/log/messages. The latest Oops occurred in TTM. So far I've typed what seemed important to me in a file on a separate machine. Is there a way to get the complete trace in a file, somewhere so as to file a bug report?

Thanks in advance.

EDIT: BTW this is the very first serious kernel panic I can't seem to work out on my own in more than 7 years of Gentoo .
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