linux-kernel - Re: fsync occasionally very slow

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Message-Id: <20070126114805.628f1351.akpm@osdl.org>
Date:	Fri, 26 Jan 2007 11:48:05 -0800
From:	Andrew Morton <akpm@...l.org>
To:	"Matthew Kirk" <mkirk01@....com>
Cc:	<linux-kernel@...r.kernel.org>
Subject: Re: fsync occasionally very slow

On Fri, 26 Jan 2007 14:33:36 -0500
"Matthew Kirk" <mkirk01@....com> wrote:

> Sorry, this will show my ignorance...  my system is lacking
> /proc/sysrq-trigger.  I can find how to build a kernel with the magic sysrq
> key (CONFIG_MAGIC_SYSRQ=y), and have done so, but I still don't have
> /proc/sysrq-* and cannot seem to find how to build in sysrq functionality
> itself - assuming that's what's missing.  Presumably it's something in
> .config I'm just not seeing?
> 

I think you're running a prehistoric kernel which might predate
/proc/sysrq-trigger?

You can get the same effect by typing alt-sysrq-t at the right time (or
whatever the combination is on that machine).
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