Re: 2.6.27 inotify causes unkillable processes with 100% CPU usage

[Al Viro]

On Mon, Dec 15, 2008 at 01:31:29PM +0200, Timo Sirainen wrote:
> There appears to be a bug in 2.6.27 and inotify where it causes processes 
> in running state to eat 100% CPU and they can't be killed with kill -9, 
> requiring a reboot to get rid of them.

> Kernels causing the hang:
>
> 2.6.27-9.slh.1-sidux-686
> Arch Linux, kernel 2.6.27.8
> Gentoo with 2.6.27-gentoo-r5, amd64, 2 dual core opterons
>
> Not causing the hang:
>
> 2.6.26-6.slh.1-sidux-686

Could you try to bisect that?  Particulary interesting commits:

8f7b0ba1c853919b85b54774775f567f30006107
6ff2d39b91aec3dcae951afa982059e3dd9b49dc
711a49a07f84f914aac26a52143f6e7526571143
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