Date: Fri, 30 Jan 2004 12:09:33 -0800
From: Andrew Morton <akpm@osdl.org>
To: gene.heskett@verizon.net
Cc: util@deuroconsult.ro, hyatt@cis.uab.edu, piggin@cyberone.com.au,
       linux-kernel@vger.kernel.org, linux-smp@vger.kernel.org
Subject: Re: 2.6.2-rc2 Interactivity problems with SMP + HT
Message-Id: <20040130120933.5d2d6d34.akpm@osdl.org>
In-Reply-To: <200401301033.43909.gene.heskett@verizon.net>
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	<Pine.LNX.4.58.0401300919520.8217@hosting.rdsbv.ro>
	<200401301033.43909.gene.heskett@verizon.net>
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Gene Heskett <gene.heskett@verizon.net> wrote:
>
> On Friday 30 January 2004 02:25, Catalin BOIE wrote:
> >On Thu, 29 Jan 2004, Robert M. Hyatt wrote:
> >> It might be some IDE disk I/O that results from flushing buffers
> >> or whatever.  I don't see this on my SCSI boxes, but I have seen
> >> an IDE box get sluggish at times due to I/O.
> >
> >It is possible.
> >vmstat shows a lot of writes when this happen.
> >Seems that even reads hangs.
> >I remember tat I was in pine and I tried to save a small file (under
> > 1k) and it took 5-7 seconds to do it.
> >
> I'm having similar problems with kmail on the later kernels.

There's a problem with reiserfs and kmail.  If you're using reiserfs, be
sure to have the latest kmail installed, or mount the filesytems with
`nolargeio=1'.
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