From: Jeff Dike <jdike@addtoit.com>
To: Gerd Stolpmann <info@gerd-stolpmann.de>
Cc: user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] Integer overflows in new AIO ubd driver
Date: Mon, 8 May 2006 13:26:48 -0400 [thread overview]
Message-ID: <20060508172648.GA4911@ccure.user-mode-linux.org> (raw)
In-Reply-To: <1143666989.7192.9.camel@localhost.localdomain>
On Wed, Mar 29, 2006 at 11:16:27PM +0200, Gerd Stolpmann wrote:
> Almost:
>
> iozone -i 0 -i 1 -r 64k -s 5G -e -f /Data/testfile -U /Data
>
> i.e. record size is 64K, and there is a umount/mount between the
> runs. /Data is an ext3 filesystem with 4k block size, on a 20 G
> partition.
>
> > And it runs fine here.
>
> For me it runs fine only the first time I call it. The next time UML
> locks up.
>
> Can I do something to find out more details?
I've been playing with this, and iozone can't make UML do anything
bad. Is this the only scenario you have?
Jeff
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prev parent reply other threads:[~2006-05-08 17:26 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-26 18:49 [uml-devel] Integer overflows in new AIO ubd driver Gerd Stolpmann
2006-03-27 15:38 ` Jeff Dike
2006-03-27 15:47 ` Gerd Stolpmann
2006-03-29 19:33 ` Jeff Dike
2006-03-29 21:16 ` Gerd Stolpmann
2006-03-30 18:49 ` Jeff Dike
2006-05-08 17:26 ` Jeff Dike [this message]
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