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Date: Fri, 29 May 1998 23:44:44 +0200
From: Walter Oostendorp <walter.oostendorp@home.ict.nl>
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To: Mostyn Lewis <mrl@teleport.com>,
        "freebsd-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG>
Subject: Re: cdrecord
References: <199805261622.JAA00101@user2.teleport.com> <356DDE3C.B652CE9@home.ict.nl>
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Hi All,

Upgrading to 3.0-980520-SNAP did solve the problem, the kern_physio.c v.26
seems to be part of the solution.

Walter

Walter Oostendorp wrote:
> 
> Hi All,
> 
> The fs=0 unfortunately didn't solve anything, as to be expected because
> I already had CDR_FIFOSIZE set to 0. I found some pointers in -bugs and
> -current to kern_physio.c v1.23, but that didn't bring anything as well.
> 
> As a last resort I will reinstall 2.2.5 to see if that will help.
> 
> Thanks sofar, and keep me informed.
> 
> Greetings,
> Walter
> 
> Mostyn Lewis wrote:
> >
> > Howdy,
> >
> > I have a MP6201S (Ricoh internal caddy loading) and have successfully
> > used the following line
> >
> > cdrecord -v -fs=0 speed=2 dev=0,0 /usr/home/mrl/fido1.img
> >
> > The key is -fs=0, it stops large physical I/O and inhibits
> > "physio split the request".
> >
> > cdrecord tries to buffer requests so that CD burning even works
> > across NFS! It's not necessary if the cd is on the machine.
> >
> > Enjoy,
> > Mostyn
> >
> > >
> > > Hi All,
> > >
> > > I have some difficulties getting cdrecord 1.6 to work on a
> > > 3.0-980311-SNAP box.
> > >
> > > Writing starts accompanied by these messages:
> > >
> > > Cdrecord release 1.6 Copyright (C) 1995-1998 Jörg Schilling
> > > scsidev: '0,2,0'
> > > scsibus: 0 target: 2 lun: 0
> > > Device type    : Removable CD-ROM
> > > Version        : 2
> > > Response Format: 2
> > > Capabilities   :
> > > Vendor_info    : 'RICOH   '
> > > Identifikation : 'MP6200S         '
> > > Revision       : '2.20'
> > > Device seems to be: Generic mmc CD-RW.
> > > Using generic SCSI-3/mmc CD-R driver (mmc_cdr).
> > > Driver flags   : SWABAUDIO
> > > cdrecord: Input/output error.
> > > read disk info: scsi sendcmd: no error
> > > status: 0x0 (GOOD STATUS)
> > > CDB:  51 00 00 00 00 00 00 00 02 00
> > > resid: 2
> > > cmd finished after 0.001s timeout 240s
> > > cdrecord: Cannot get disk type.
> > >
> > >
> > > Also the console shows :
> > >
> > > # penny/kernel: cd0: physio split the request.. cannot proceed
> > >
> > >
> > > To get it sofar I had to change the /dev/scgx linked to rcd0.ctl
> > > The worm0 does not find the drive.
> > >
> > > Anyone got a clue?
> > >
> > > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > > with "unsubscribe freebsd-questions" in the body of the message
> > >
> 
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