Re: pdflush stuck in D state with v2.6.24-rc1-192-gef49c32

From: Florin Iucha
Date: Tue Oct 30 2007 - 23:52:55 EST


On Tue, Oct 30, 2007 at 07:02:42PM -0500, Florin Iucha wrote:
> I have added the patches and started a linux kernel compilation, and
> something really interesting happens. I run the build with the
> equivalent of "make -j3" and in a separate console I am watching the
> build with 'top'. The build consumes 98% of both CPUs. If I stop the
> output in the build console with "Ctrl-S", one core goes to idle,
> while the other is in 50% waiting, then goes to 75% waiting. When I
> resume the build with "Ctrl-Q", the build starts to use both CPUs at
> 98-99%. The NFS4 use was minimal, as I did not login with Gnome, but
> just logged on the console. Also, the CPU that is in 75% waiting
> state changes occasionally. 'Top' shows pdflush in D state, using
> 5-6% of CPU.

I forgot the traces:

http://iucha.net/2.6.24-rc1/fw.1.gz
http://iucha.net/2.6.24-rc1/fw.2.gz
http://iucha.net/2.6.24-rc1/fw.3.gz

florin

--
Bruce Schneier expects the Spanish Inquisition.
http://geekz.co.uk/schneierfacts/fact/163

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