2012/9/29 Sasha Levin <levinsasha...@gmail.com>: > Maybe I could help here a bit. > > lappy linux # addr2line -i -e vmlinux ffffffff8111d45f > /usr/src/linux/kernel/timer.c:549 > /usr/src/linux/include/linux/jump_label.h:101 > /usr/src/linux/include/trace/events/timer.h:44 > /usr/src/linux/kernel/timer.c:601 > /usr/src/linux/kernel/timer.c:734 > /usr/src/linux/kernel/timer.c:886 > > Which means that it was about to: > > debug_object_activate(timer, &timer_debug_descr);
I can't find anything in the debug object code that might fault. I was suspecting some per cpu allocated memory: per cpu allocation sometimes use vmalloc which uses lazy paging using faults. But I can't find such thing there. May be there is some faulting specific to KVM... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/