linux-kernel - Re: 2.6.16.32 stuck in generic_file_aio

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Message-Id: <20061214004213.13149a48.akpm@osdl.org>
Date:	Thu, 14 Dec 2006 00:42:13 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Igmar Palsenberg <i.palsenberg@...-ict.nl>
Cc:	linux-kernel@...r.kernel.org, npiggin@...e.de,
	erich <erich@...ca.com.tw>
Subject: Re: 2.6.16.32 stuck in generic_file_aio_write()

On Thu, 14 Dec 2006 09:15:39 +0100 (CET)
Igmar Palsenberg <i.palsenberg@...-ict.nl> wrote:

> 
> > > I'll put a .config and a dmesg of the machine booting at 
> > > http://www.jdi-ict.nl/plain/ for those who want to look at it.
> > 
> > dmesg : http://www.jdi-ict.nl/plain/lnx01.dmesg
> > Kernel config : http://www.jdi-ict.nl/plain/lnx01.config
> 
> Hmm.. Switching CONFIG_HZ from 1000 to 250 seems to 'fix' the problem. 
> I haven't seen the issue in nearly a week now. This makes Andrew's theory 
> about missing interrupts very likely.
> 
> Andrew / others : Is there a way to find out if it *is* missing 
> interrupts ?
> 

umm, nasty.  What's in /proc/interrupts?
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