Linus Torvalds wrote: > > On Sat, 23 Aug 2008, Linus Torvalds wrote: >> This one makes no sense. It's triggering a BUG_ON(in_interrupt()), but >> then the call chain shows that there is no interrupt going on. > > Ahh, later in that thread there's another totally unrelated oops in > debug_mutex_add_waiter(). > > I'd guess that it is really wild pointer corrupting memory, quite possibly > due to a double free or something like that. Alan - it would be good to > run with DEBUG_PAGE_ALLOC and SLUB debugging etc if you don't already do > that? > > Linus > I'll add those in - as to the repeatability: The "bad" kernels seem to repeat quite reliably - not only in terms of counts (5 or 6 times in a row before trying something else), but also in terms of the "what" - either the original issue () or the other kernel with the later issue (debug_mutex_add_waiter). That's /goodness/ in that it should help narrow it down. I'll make sure the kernel is still failing this morning, and then add in DEBUG_PAGE_ALLOC and if that doesn't help, SLUB debugging... Alan -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
