SMP kld(un)load panic

Hiten Pandya hmp at backplane.com
Sat Mar 13 08:41:12 PST 2004


Richard Nyberg wrote:
Not all the time, but quite often, dragonfly panics when I load or unload
kernel modules. This only happens on SMP systems though. I've tested
this on an SMP machine running the GENERIC kernel with and without SMP
enabled.
For some reason it seems that different modules have different chances
of panicking the system. The backtraces are always the same though.
The nnpfs module from teh arla project almost always crashes, but linprocfs
also does it from time to time.
Anyway, here are backtraces for two panics:
http://people.su.se/~rnyberg/dfcrash/kldload.txt
http://people.su.se/~rnyberg/dfcrash/kldunload.txt
I still have the core dumps, so if you want me to do something
with them I can.


	Dear Richard,

	Could you do a 'bt full' in gdb and put that up somewhere?

	Thanks.

	-Hiten
	Hiten Pandya
	hmp at xxxxxxxxxxxxx || hmp at xxxxxxxxxxx





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