Bug#307517: [ Bug#409934: kernel-image-2.6.8-3-686-smp: system crash with message "kernel BUG at mm/rmap.c:407"]

[Oleg Verych <olecom@flower.upol.cz>]

> From: dann frazier
> Newsgroups: gmane.linux.debian.devel.kernel
> Subject: Bug#307517: [balamacab@gmail.com: Bug#409934: kernel-image-2.6.8-3-686-smp: system crash with message "kernel BUG at mm/rmap.c:407"]
> Date: Tue, 6 Feb 2007 11:02:41 -0700

> Package: kernel-image-2.6.8-3-686-smp
> Version: 2.6.8-16sarge6
> Severity: critical
> Justification: breaks the whole system
>
> it have been the second time the sistem crash with this error.
>
> Feb  5 18:18:04 merlot kernel: ------------[ cut here ]------------
> Feb  5 18:18:04 merlot kernel: kernel BUG at mm/rmap.c:407!
> Feb  5 18:18:04 merlot kernel: invalid operand: 0000 [#1]
> Feb  5 18:18:04 merlot kernel: PREEMPT SMP

If anyone cares, i think this is a kind of race due to PREEMPT.

Maybe this is relevant to solve this. But new kernel, of course, is more
appriciated.

<http://git2.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=508034a32b819a2d40aa7ac0dbc8cd2e044c2de6>
[PATCH] mm: unmap_vmas with inner ptlock

Well, there are some more race fixes noted in the git history of "mm/memory.c".
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