[6216] in linux-scsi channel archive
Re: Probably a silly problem ..
daemon@ATHENA.MIT.EDU (Richard Robinson)
Tue Mar 30 15:03:01 1999
Date: Tue, 30 Mar 1999 15:30:36 +0100 (BST)
From: Richard Robinson <richard@beulah.demon.co.uk>
To: linux-scsi@vger.rutgers.edu
In-Reply-To: <36FFD4BC.13A9875F@t-online.de>
On Mon, 29 Mar 1999, Dietmar Stein wrote:
> Richard Robinson wrote:
>
> > Warning: Running low on SCSI DMA buffersWarning: Running low on SCSI DMA
> > buffersWarning: Running low on SCSI DMA buffers
> > etc etc, hundreds of times over.
>
> Hm, it seems that the buffer is running low which might end in a write-error
> (buffer underrun)... You are using the aha154x; I think there is an option in
> the BIOS of the controller to choose the DMA-channel... (on 1542 there is).
> Make sure that the channel (I think default is DMA 6) is not in use by
> another device which has direct memory access (soundcard and so on).
Yes, it does have such an option; I can't find anything else wanting to
use the same DMA channel, I have checked, and changed it around, and
removed the sound-drivers ... the message persists.
I don't get this warning when I write, only when I read. Nor do I get
buffer underruns when writing. Just persistent 'media error' failures.
--
Richard Robinson
"The whole plan hinged upon the natural curiosity of potatoes" - S. Lem
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