Lost CAM Access to DVD Writer

Dmitry Morozovsky marck at rinet.ru
Sat Aug 31 13:44:01 UTC 2013


On Sat, 31 Aug 2013, Slawa Olhovchenkov wrote:

> > > You probably need to recompile whatever application you're using to burn
> > > CDs.
> > >
> > The actual program, cdrecord, works when invoked from the command line.  The 
> > following script does not:
> > 
> > EXAMPLES
> >      Dumps the /u file system to DVDs using growisofs.  Uses a 16MB cache,
> >      creates a snapshot of the dump, and records the dumpdates file.
> > 
> > /sbin/dump -0u  -L -C16 -B4589840 -P 'growisofs -Z /dev/cd0=/dev/fd/0' /u
> > 
> > I wonder if the recent change to devfs might be the root cause of my problem. 
> > I have been dumping to DVD for years without any issues until now.  Maybe the 
> > re-direction to /dev/fd/0 requires a different syntax.
> 
> Are you sure mount fdescfs? /dev/fd is fdescfs, not devfs.

Are you sure? At least, std* are there even if fdescfs is absent:

marck at castor:/FreeBSD/rinet/src.9/sys> kldstat -v | grep fdesc
marck at castor:/FreeBSD/rinet/src.9/sys> ls /dev/fd
0  1  2


-- 
Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer:                                 marck at FreeBSD.org ]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck at rinet.ru ***
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