From: Grant Grundler <grundler@parisc-linux.org>
To: yong Jung <yong_jk@yahoo.com>
Cc: debian-hppa-request@lists.debian.org,
parisc-linux@lists.parisc-linux.org
Subject: Re: [parisc-linux] "I/O MMU is out of mapping resources" while a base install into HP C200
Date: Sat, 4 Feb 2006 17:39:24 -0700 [thread overview]
Message-ID: <20060205003924.GA2225@colo.lackof.org> (raw)
In-Reply-To: <20060204095247.1896.qmail@web54511.mail.yahoo.com>
On Sat, Feb 04, 2006 at 06:52:47PM +0900, yong Jung wrote:
> Hellow debian lovers,
> .
> Could you give me a favor to check my install problem
> on C200 machine ?
Hi Yong.
You are the 3rd person in the past week or so to report this problem. :)
It was fixed here:
| revision 1.18
| date: 2005/03/06 23:48:39; author: grundler; state: Exp; lines: +34 -32
| branches: 1.18.2; 1.18.4;
|
| 2.6.11-pa2 - ditch ccio_mem_ratio. "Ported" from similar change to sba driver.
I'm told debian-31r1a-hppa-netinst.iso uses 2.6.8.1.
Workaround is to reduce the number of outstanding scsi commands
and thus reduce the amount of total I/O "in flight".
You can do this by setting "queue_depth" to 1.
Offhand I only know about /sys entries:
find /sys -name queue_depth
and then "echo 1 > /sys/devices/...../queue_depth"
Or can someone remind me how to globally do that from the command line?
google isn't finding it for me today.
grant
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parent reply other threads:[~2006-02-05 0:39 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <20060204095247.1896.qmail@web54511.mail.yahoo.com>]
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