burncd 'blank' not terminating ?

[Sergey N. Voronkov]

On Thu, Dec 21, 2006 at 09:27:17AM -0800, Luigi Rizzo wrote:
> just noticed, after upgrading to 6.2RC1, that
> 
> 	luigi# burncd -f /dev/acd0 -v blank
> 	blanking CD, please wait..
> 
> stays there forever. Eventually i gave up and ctrl-C and
> the application terminates, and i was able to write to
> the disk a valid image, which probably means that the
> disk had been blanked.
> 
> I browsed through the mailing lists and it seems to be an
> old problem, related to the driver not reporting the status info.
> 
> Not sure if it is related to particular hardware, just in case here
> is what i have:
> 
> ad0: 238475MB <MAXTOR STM3250620A 3.AAD> at ata0-master UDMA100
> acd0: DVDR <HL-DT-ST DVDRAM GSA-H10N/JL10> at ata0-slave UDMA33
> 
> note, if i kldload atapicam, and try the blank on /dev/cd0 i get this:
> 
> 	luigi# burncd -f /dev/cd0 -v blank
> 	burncd: ioctl(CDRIOCGETBLOCKSIZE): Inappropriate ioctl for device
> 
> Any ideas ?
> This old report says the problem is in the ioctl...
> 
> http://www.freebsd.org/cgi/query-pr.cgi?pr=44803

See my report: http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/95344
And: http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/104270

The last one contain a fix.

Serg.

P.S.: Don't use burncd. Use cdrecord!