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DVD/CD problem
http://forum.linhes.org/viewtopic.php?f=2&t=4184
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Author:  slam_head [ Sat Apr 16, 2005 10:59 am ]
Post subject:  DVD/CD problem

I recently installed r5a12. I've got mostly everything working but the CD/DVD burner. If I do
Code:
dmesg|grep -i dvd
hdd: _NEC DVD_RW ND-3520A, ATAPI CD/DVD-ROM drive
hdd: ATAPI 48X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache

I also did
Code:
 ln -s /dev/hdd /dev/cdrom
ln -s /dev/hdd /dev/dvd

and a
Code:
chmod 666 /dev/hdd

When I try to import a CD the frontend crashes after the first song. If I try to play a DVD it just hangs. Should I set it up as SCSI emulation? I think the install mounted it as /dev/sda.

Author:  tjc [ Sat Apr 16, 2005 3:00 pm ]
Post subject: 

Sounds pretty reasonable... Did you remove the old links for cdrom and dvd first? Do an
Code:
ls -l  /dev/hdd /dev/dvd /dev/cdrom
and make sure everything looks kosker. Kind of like this only with hdd rather than hdc...
Code:
root@black:~# ls -l  /dev/hd[cd] /dev/dvd /dev/cdrom
lrwxrwxrwx  1 root root       8 Mar 21 20:30 /dev/cdrom -> /dev/hdc
lrwxrwxrwx  1 root root       8 Mar 21 20:20 /dev/dvd -> /dev/hdc
brw-rw----  1 root cdrom 22,  0 May  7  2004 /dev/hdc
brw-rw----  1 root disk  22, 64 May  7  2004 /dev/hdd

Author:  slam_head [ Sun Apr 17, 2005 10:07 am ]
Post subject: 

I tried setting scsi emulation and that didn't help. The front end still crashes after the first song is imported. I get the following error in /home/myth/.xsession-errors
Code:
mythfrontend: relocation error: /usr/lib/mythtv/plugins/libmythmusic.so: undefined symbol: assert

In the configuration I have the drives all pointing to /dev/scd0 but it was the same when I had it set to /dev/scd0.
Code:
root@mythtv:~# ls -la /dev/scd0 /dev/hdd /dev/cdrom /dev/dvd
lrwxrwxrwx  1 root root       8 Apr 16 12:27 /dev/cdrom -> /dev/hdd
lrwxrwxrwx  1 root root       8 Apr 16 12:27 /dev/dvd -> /dev/hdd
brw-rw-rw-  1 root cdrom 22, 64 May  7  2004 /dev/hdd
brw-rw----  1 root cdrom 11,  0 May  7  2004 /dev/scd0

Author:  slam_head [ Sun Apr 17, 2005 10:37 am ]
Post subject: 

I just noticed that if I set the encoder to ogg I don't get this problem. Since I want to be able to my music on my Ipod I'de like it in mp3.

Author:  dvanbrunt [ Sun Apr 17, 2005 7:57 pm ]
Post subject: 

I had posted this music import crash in a different forum, but had exactly the same experience. I did a completely fresh install of R5A12, and duplicated the problem. Not sure if it's the LAME encoder itself, or mythmusic, but at least now you know it's reproduced. I have ripped a few in OGG, but I'd prefer MP3 for excactly the same reason.

An alternative would be if the Myth box could serve as an iTunes client and I'd leave iTunes running on another machine to stream music.

I haven't seen anything allowing that, though... have you?

Author:  slam_head [ Mon Apr 18, 2005 7:22 am ]
Post subject: 

I've now reproduced the problem as well. It definately looks like bug in the software. I wonder if it's a knoppmyth problem or a myth problem. I posted this to the myth users mailing list but have yet to get any responses.

Author:  tknd [ Sun May 22, 2005 3:11 pm ]
Post subject: 

I have a similar problem and the same drive. But I'm using R5A15. I also initially had a cdrom in the system, then swapped in the dvdrw. I haven't tried reinstalling from scratch. It plays MPEG4 cd/dvds fine but it hangs on playing dvds. I also can't get nuv2disc to work.

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