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Error burning to /dev/dvd
http://forum.linhes.org/viewtopic.php?f=2&t=14290		 Page 1 of 1
Author:  JoeMcCracken [ Tue Feb 20, 2007 10:48 am ]
Post subject:  Error burning to /dev/dvd
/***********************************************************************************************

Make ISO image = no
Burn to DVD-R = yes
Delete VIDEO_TS = no
----- datestamp=19-02-2007 16:35
Burning DVD-R image
Sent UDP/XML packet to IP 255.255.255.255 and port: 6948
Executing 'mkisofs -dvd-video -V MythTV BurnDVD /myth/mythburn/temp/DVD | builtin_dd of=/dev/dvd obs=32k seek=0'
/dev/dvd: "Current Write Speed" is 16.4x1385KBps.
:-( unable to WRITE@LBA=0h: Input/output error
:-( write failed: Input/output error
mkisofs: Broken pipe. cannot fwrite 2048*2
***********************************
MythTV BurnDVD stopped due to error
***********************************

***********************************************************************************************/

This has happened on two different Mobos and two different CD/DVD combo burners.

Knoppmyth R5D1

It'd be nice if I could fix this function. Seems to possibly be related to the "growisofs" process. I wonder if cdrecord could be used instead.
Author:  JoeMcCracken [ Tue Feb 20, 2007 11:05 am ]
Post subject:  Update to problem.
/*****************************************************************************************

Executing 'mkisofs /var/videos/firmware.tar.gz | builtin_dd of=/dev/dvd obs=32k seek=0'
/dev/dvd: "Current Write Speed" is 16.4x1385KBps.
Total translation table size: 0
Total rockridge attributes bytes: 0
Total directory bytes: 0
Path table size(bytes): 10
Max brk space used 21000
233 extents written (0 MB)
builtin_dd: 240*2KB out @ average 0.0x1385KBps
/dev/dvd: flushing cache
/dev/dvd: closing track
/dev/dvd: closing disc

***********************************************************************************************/

This is output from "groisofs"after burning a file to dvd through the command line (as root). I wonder if there's a problem with mythtv user not having rights to the burner. Ah well, at least the hardware all works.
Author:  JoeMcCracken [ Tue Feb 20, 2007 11:31 am ]
Post subject:  Almost fixed
/***********************************************************************************************

root@mythtv:/myth/mythburn/temp/DVD/VIDEO_TS# growisofs -Z /dev/dvd -dvd-video /myth/mythburn/temp/DVD
Executing 'mkisofs -dvd-video /myth/mythburn/temp/DVD | builtin_dd of=/dev/dvd obs=32k seek=0'
/dev/dvd: "Current Write Speed" is 16.4x1385KBps.
0.45% done, estimate finish Tue Feb 20 11:34:51 2007


***********************************************************************************************/

This command seems to burn properly from the command line. When I go to watch the DVD, It plays back, but at the opening selection. I can not seem to navigate chapters.
Author:  JoeMcCracken [ Tue Feb 20, 2007 12:44 pm ]
Post subject:  Solved!
Modifying the following lines from the mythburn.sh script took care of this. It seems the error is directly related to the following parameter passed to "growisofs"

-V "MythTV BurnDVD"

So basically changing the line from:

Code:
growisofs -use-the-force-luke -Z /dev/dvd -dvd-video -V "MythTV BurnDVD" ${dvddir}


to:
Code:
growisofs -use-the-force-luke -Z /dev/dvd -dvd-video ${dvddir}


took care of this problem. Now all I have to do is figure out how to map the remote buttons I'm not using (hauppauge silver remote (dog bone?)) to get full xine functionality. I'm sure there's a howto somewhere floating around...
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