...That having been said, I didn't say not to try it...
I'm sorry, didn't want to put your findings into question, just shared my experiences in addition. No offense intended.

Huh well Raspbian and ARCH list 3.10 firmware. I wonder why there would be no kernel change between distributions. I don't know myself so I wonder. I can't seem to find anything specific. If you know something I am missing (I don't use Linux as much as I likely should) I would love to know. Maybe everyone builds from the same source. I don't think so but maybe. If so I suppose it was magic that my 30 minute to 2 hour delay between lockups went away with arch rather then up to date Raspbian.
You can build at least from the same source -
this is an interesting read. Indeed there may be some (minor) changes, so not 100% sure if both kernels are actually the same. Major differences between distributions are e.g. different libraries. Like the old problems with different libusb versions. Can not remember exactly which kind of issues, but one distribution worked fine the other caused issues just because of different library versions. As libusb comes now with cgminer and cgminer is not using the system library, these (old) issues are gone.
