Cannot access dvds on Slackware 14 after upgrade from 13.37
I have two PCs on which I installed Slackware 14 onto a clean, formatted / partition. Not surprisingly on these machines everything is working fine. On one other machine however I followed the upgrade instructions. Everything seems to have worked fine except for access to commercial film dvds. Data dvds work OK in the same drive and audio cdroms also work fine. At least four players (xine, kaffeine, vlc and mplayer) all essentially say they cannot read the movie data from /dev/dvd. Messages from vlc are shown below:
libdvdnav : 4.2.0
libdvdread : 4.2.0
which I think are all the standard slackware 14 versions. To be sure I re-installed all these from distribution cds. I also started to suspect udev and udisks so re-installed these. None of this has had any benefits. /dev/dvd remains unreadable when it contains a dvd film.
Just to make things more interesting I have found one single dvd in my collection (OK, I have only tried with about 6 different ones) that does play. This is what is largely regarded as Stanley Kubrick's worst ever film - Eyes Wide Shut!
I suspect there is a pesky .conf file somewhere which I should have overwritten with its ".new" equivalent during the upgrade, but I have not been able to find it.
Any ideas ?
Try create "audio" group and make every DVD user as member to that group.
Else check permissions of /dev/sr0 and /dev/dvd nodes set them properly to be accessible to the user.
Hope that helps and good luck.
The audio group exists and my regular users are members of it.
The problem arises even when I try and run vlc, xine etc as root.
Permissions on /dev/dvd are : owner has rwx, group has rwx and verybody else has rwx - ie could not be more permissive?
I think this has now become a hardware problem and is therefore "solved". After re-installing all my libdvd* libraries and my udev and udisk* libs, when I attached a usb DVD Drive, all DVD movies played OK on the external drive. So I thin it's down to the old internal DVD drive in the PC. It does still seem to be capable of reading data DVDs. Are the hardware requirements for reading data DVDs less demanding than the requirements for reading movie DVDs?
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