Re: cdrecord and devfs
I let the kernel mount the dev file system via boot parameter devfs=mount.
The permission of the cd device is "brw-rw----".
I will try strace asap.
Martin
Am Dienstag, 20. Mai 2003 22:03 schrieb Mich Lanners:
> On 19 May, this message from Martin Kuball echoed through cyberspace:
> > I have an iBook 2.2 with debian 3.0. My kernel is 2.4.20-ben10 and I'm
> > using devfs.
> >
> > When I try to run cdrecord (version 1.10) as root I get the following
> > message:
> >
> > # cdrecord -v speed=3 dev=/dev/scsi/host0/bus0/target0/lun0/cd:@
> > blank=fast Cdrecord 1.10 (powerpc-unknown-linux-gnu) Copyright (C)
> > 1995-2001 Jörg Schilling
> > TOC Type: 1 = CD-ROM
> > scsidev: '/dev/scsi/host0/bus0/target0/lun0/cd:@'
> > devname: '/dev/scsi/host0/bus0/target0/lun0/cd'
> > scsibus: -2 target: -2 lun: -2
> > cdrecord: Read-only file system. Cannot open
>
> ^^^^^^^^^^^^^^^^^^^^^
> Hmmm, read-only? Can you check permissions on the deice nodes and, more
> importantly, how devfs is mounted? If that gives no clue, run cdrecord
> under strace and see what it is doing to produce this error.
>
> > '/dev/scsi/host0/bus0/target0/lun0/cd'.
> > Cannot open SCSI driver.cdrecord: For possible targets try 'cdrecord
> > -scanbus'. Make sure you are root.
> >
> > calling cdrecord -scanbus gives:
> >
> > # cdrecord -scanbus
> > Cdrecord 1.10 (powerpc-unknown-linux-gnu) Copyright (C) 1995-2001 Jörg
> > Schilling
> > cdrecord: No such file or directory. Cannot open SCSI driver.
>
> Do you have scsi-generic (aka sg) support? I think cdrecord needs it.
>
> > cdrecord: For possible targets try 'cdrecord -scanbus'. Make sure you
> > are root.
> >
> > Mounting a CD or ripping a DVD with transcode works just fine. Does
> > anybody know how to make it work for cdrecord, too?
>
> This leads me to believe that the SCSI device for the CD is OK (though
> maybe read-only?)... check the above things and report back.
>
> Cheers
>
> Michel
>
> -------------------------------------------------------------------------
> Michel Lanners | " Read Philosophy. Study Art.
> 23, Rue Paul Henkes | Ask Questions. Make Mistakes.
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> email mlan@cpu.lu |
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