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Re: Can't mount CDs on ProPak 1.3

To: Ken Murchison <ken@xxxxxxxxxx>
Subject: Re: Can't mount CDs on ProPak 1.3
From: Tom Duffy <tduffy@xxxxxxxxxxxxxxxxxxxx>
Date: Mon, 9 Oct 2000 07:48:49 -0700 (PDT)
Cc: sgilinux@xxxxxxxxxxx
In-reply-to: <39E1C35D.EE32976C@oceana.com>
Sender: owner-sgilinux@xxxxxxxxxxx
> Which errata is that?  I read
> http://support.sgi.com/linux/docs/errata-1.3.html and didn't see
> anything about this.

not sure which errata is was, but I remember handing the text of the bug
and the workaround to our doc people.  i guess i should follow up and see
if it actually made it to the online doc.

> > you can check this by doing a:
> > 
> > hdparm /dev/cdrom
> 
> OK, DMA is on and turning it off fixes the problem.  Two questions:
> 
> 1. Why does this work with the RH 2.2.14-5.0 kernel and not the
> 2.2.15-3SGI_31 kernel?

this was broke in stock 2.2.15.  since we use that as our base kernel, we
picked up that bug.

> 2. Do I need to turn this off using hdparm in one of my startup scripts
> or simply turn it off in the BIOS?

the startup scripts would be an ideal place to do that.

> Thanks for the help,
> Ken

later,

-tduffy


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