cpu time oddity (was Re: Linux 2.6.27-rc5)

[Alistair John Strachan]

On Friday 29 August 2008 00:26:45 Linus Torvalds wrote:
> Another week (my weeks do seem to be eight days, don't they? Very odd),
> another -rc.

(Don't know who's responsible for this one, so I've just added Ragael to CC)

I only noticed this recently but it's probably been happening for a while
(doesn't seem to happen on 2.6.26):

ps aux
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
root         2 83033595  0.0  0     0 ?        S<   10:30 21114574:23 [kthreadd]
root      1740 83078470  0.0  0     0 ?        S<   10:31 21114574:23 [md0_raid1]

Seems to happen only to kernel threads and at random. Last time I booted
it was two XFS threads.

Before I start another bisection, does anybody have any ideas?

-- 
Cheers,
Alistair.
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