From: Andrea Arcangeli <andrea@suse.de>
To: Takanori Kawano <t-kawano@ebina.hitachi.co.jp>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Kernel panics on raw I/O stress test
Date: Thu, 19 Apr 2001 19:33:22 +0200 [thread overview]
Message-ID: <20010419193322.F752@athlon.random> (raw)
In-Reply-To: <20010419210153Z.t-kawano@ebina.hitachi.co.jp>
In-Reply-To: <20010419210153Z.t-kawano@ebina.hitachi.co.jp>; from t-kawano@ebina.hitachi.co.jp on Thu, Apr 19, 2001 at 09:01:53PM +0900
On Thu, Apr 19, 2001 at 09:01:53PM +0900, Takanori Kawano wrote:
>
> When I ran raw I/O SCSI read/write test with 2.4.1 kernel
> on our IA64 8way SMP box, kernel paniced and following
> message was displayed.
Could you try again with 2.4.4pre4 plus the below patch?
ftp://ftp.us.kernel.org/pub/linux/kernel/people/andrea/patches/v2.4/2.4.4pre2/rawio-3
You should experience also a quite noticeable improvement on both CPU usage and
disk I/O (also depends on the max size of a I/O request for your hardware disk
controller).
Andrea
next prev parent reply other threads:[~2001-04-19 17:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-19 12:01 Kernel panics on raw I/O stress test Takanori Kawano
2001-04-19 12:50 ` Alan Cox
2001-04-19 17:33 ` Andrea Arcangeli [this message]
2001-04-20 11:44 ` Takanori Kawano
2001-04-20 14:11 ` Andrea Arcangeli
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