Messages in this thread | | | Date | Wed, 27 Jan 1999 12:14:15 -0500 | From | Brian Gerst <> | Subject | Re: [patch] 'coredump crash' fixed |
| |
MOLNAR Ingo wrote: > The reason why we crash and why it made the kernel > reboot in such a nasty way was that munmap() did just a tad more work than > necessary and we zapped 0xc0000000's page table entry ... that is a pretty > vital piece of 4M virtual space on Linux ;) (erm, just dont ask me how i > managed to debug this ;)
Which then unmapped the interrupt descriptor table, so the next interrupt causes a triple-fault and resets the cpu. Don't you just love off-by-one errors?
--
Brian Gerst
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |