The most prevalent is "The instruction at 0xblah reference memory at 0xbleech. The memory could not be "read"
Strange thing is that it is not a consistant crash. I can run a program that does this 2-3 times without a crash, and then 2-3 times with the crash.
UPDATE: The other thing I should mention is that all proggies that do this to me execute flawlessly under FreeBSD.