[6139] in linux-scsi channel archive
Re: PROBLEM: PPP stalls when CDROM is active
daemon@ATHENA.MIT.EDU (Lars Christensen)
Sat Mar 20 15:43:33 1999
Date: Sat, 20 Mar 1999 21:35:31 +0100 (MET)
From: Lars Christensen <larsch@cs.auc.dk>
To: Peter Kundrat <kundrat@gic.sk>
cc: linux-scsi@vger.rutgers.edu
In-Reply-To: <19990318122946.A14832@gic.sk>
On Thu, 18 Mar 1999, Peter Kundrat wrote:
> On Wed, Mar 17, 1999 at 09:41:33PM +0100, Lars Christensen wrote:
> >
> > [1.] PPP stalls when CDROM is active
> >
> > [2.] I have 2 ATAPI CDROM drives installed in my computer, one 32 speed
> > regular drive and one 4 speed Yahama 4001t CDROM Writer. I use SCSI
> > emulation for both drives. When I either read (using dd) or write (usinged
> > cdrecord) from/to the Yahama CDWriter, my PPP connection to the Internet
> > stalls. Any existing connection over the PPP connections stops sending and
> > receiving data when I access the CDROM drive. As soon as I stop the CD
> > access, the network connection resumes. Everything seems affected
> > (udp/tcp).
> >
> > - There is no such problem when i access my regular CDROM drive
> > (reader only).
>
> Does hdparm -u1 /dev/hd[bd] help ? (b and d should be letters for IDE dev
> entries of your CDROM drives)
>
Yes! it actually did. I have no problems now. Thank you for your help and
sorry for taken up your time :)
/Lars Christensen
larsch@cs.auc.dk
http://www.cs.auc.dk/~larsch
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