[FC5] Unable to blank CD-RW

Antonio Montagnani antonio.montagnani at gmail.com
Fri Sep 8 15:26:48 UTC 2006


2006/9/8, Gene Heskett <gene.heskett at verizon.net>:
> On Friday 08 September 2006 03:19, Antonio Montagnani wrote:
> >2006/9/8, Antonio Montagnani <antonio.montagnani at gmail.com>:
> >> Suddenly I am not able to blank any CD-RW with KB3.
> >> I get the following report:
> >>
> >> System
> >> -----------------------
> >> K3b Version: 0.12.15
> >>
> >> KDE Version: 3.5.4-0.1.fc5 Fedora-Core
> >> QT Version:  3.3.6
> >> Kernel:      2.6.17-1.2174_FC5
> >> Devices
> >> -----------------------
> >> QSI CDRW/DVD SBW242U UU30 (/dev/hdc, ) at  [CD-R; CD-RW; CD-ROM;
> >> DVD-ROM] [DVD-ROM; CD-ROM; CD-R; CD-RW] [SAO; TAO; RAW; SAO/R96P;
> >> SAO/R96R; RAW/R16; RAW/R96P; RAW/R96R]
> >>
> >> Used versions
> >> -----------------------
> >> cdrecord: 2.1.1a03
> >>
> >> cdrecord command:
> >> -----------------------
> >> /usr/bin/cdrecord -v gracetime=2 dev=/dev/hdc speed=24 -tao
> >> driveropts=burnfree -eject blank=fast -force
> >>
> >> cdrecord
> >> -----------------------
> >> /usr/bin/cdrecord: Cannot allocate memory. WARNING: Cannot do
> >> mlockall(2).
> >>
> >> /usr/bin/cdrecord: WARNING: This causes a high risk for buffer
> >> underruns. /usr/bin/cdrecord: Operation not permitted. WARNING: Cannot
> >> set RR-scheduler /usr/bin/cdrecord: Permission denied. WARNING: Cannot
> >> set priority using setpriority().
> >> /usr/bin/cdrecord: WARNING: This causes a high risk for buffer
> >> underruns. scsidev: '/dev/hdc'
> >> devname: '/dev/hdc'
> >> scsibus: -2 target: -2 lun: -2
> >> Error trying to open /dev/hdc exclusively ... retrying in 1 second.
> >> Error trying to open /dev/hdc exclusively ... retrying in 1 second.
> >> Error trying to open /dev/hdc exclusively ... retrying in 1 second.
> >> Error trying to open /dev/hdc exclusively ... retrying in 1 second.
> >> Error trying to open /dev/hdc exclusively ... retrying in 1 second.
> >> Error trying to open /dev/hdc exclusively ... retrying in 1 second.
> >> Error trying to open /dev/hdc exclusively ... retrying in 1 second.
> >> Error trying to open /dev/hdc exclusively ... retrying in 1 second.
> >> Error trying to open /dev/hdc exclusively ... retrying in 1 second.
> >> Error trying to open /dev/hdc exclusively ... retrying in 1 second.
> >> /usr/bin/cdrecord: Device or resource busy. Cannot open '/dev/hdc'.
> >> Cannot open SCSI driver.
> >> /usr/bin/cdrecord: For possible targets try 'cdrecord -scanbus'. Make
> >> sure you are root.
> >> /usr/bin/cdrecord: For possible transport specifiers try 'cdrecord
> >> dev=help'. Cdrecord-Clone 2.01.01a03-dvd (i686-pc-linux-gnu) Copyright
> >> (C) 1995-2005 Jörg Schilling
> >> NOTE: This version contains the OSS DVD extensions for cdrtools and
> >> thus may have bugs related to DVD issues that are not present in the
> >> original cdrtools. Please send bug reports or support requests to
> >> http://bugzilla.redhat.com/bugzilla The original cdrtools author should
> >> not be bothered with problems in this version.
> >> TOC Type: 1 = CD-ROM
> >>
> >> What shall I do??
> >>
> You cannot work on a mounted disk.
> >> --
> >> Antonio Montagnani
> >> Skype : antoniomontag
> >
> >one more information:
> >
> >if I issue the command:
> >
> >umount /dev/cdrw (only by root, no way by the user) the CD-RW is blanked.
> >What is happening????
> >--
> >Antonio Montagnani
> >Skype : antoniomontag
>
> --
> Cheers, Gene
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> Yahoo.com and AOL/TW attorneys please note, additions to the above
> message by Gene Heskett are:
> Copyright 2006 by Maurice Eugene Heskett, all rights reserved.
>
> --
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>

how do you unmount a CD inserted in the burner if you don'have such
graphical option??
In any case k3b unmounted it by itself, this is my opinion......and my
experience, I blanked regularly CD-RW
-- 
Antonio Montagnani
Skype : antoniomontag




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