Public bug reported:
Hi,
I recently started experiencing problems opening *some* DVDs. Take, for
instance, some of the recent DVDs that I have tried to open, such as
Buffy, Angel, and Boy Meets World, and Burn Notice season sets. These
are all legit, region 1 releases and in flawless condition. Importantly,
90-95% of these discs still do open and play just fine. Only some of
them do not. For example, all of Boy Meets World Season 1 opened, as did
discs 1 and 2 of Season 2, but Season 2 Disc 3 will not. I took it from
one computer to another and had the same problem there. The type of
disc, region, and whether CSS is present is static across both affected
and un-affected discs. I can come up with no explanation for why most
discs are loading and a select few are not.
Some additional information to hopefully help narrow down the problem
and eliminate some likely causes:
- I am using Ubuntu 16.04
- I have installed the restricted formats / libdvdcss. About 90-95% of DVDs
play with no trouble.
- I am using libdvdcss 1.4.0.
- I recently upgraded from Ubuntu 14.04 to 16.04.
- The exact same discs run fine using the same hardware via Ubuntu 14.04.
- I have purged and re-installed restricted formats / libdvdcss, but continue
getting the same problems for the affected discs.
- This affects multiple computers (different makes and models) and DVD drives
(ditto), so it's not a hardware issue.
- I have tried deleting /.dvdcss folder and rebooting, but that solves nothing.
- The volume is loading as an unknown format according to Ubuntu's "Disks"
application, so it is recognizing that a disc is present (and it correctly
reads the size of the data on the disc), but can't recognize the file structure.
- Programs that can load directly from a device rather than relying on Ubuntu's
folders or disc mapping can read the discs just fine. VLC Media Player, for
example, can play the discs if I point it to the disc device, even though the
disc itself isn't being recognized by Ubuntu.
- The Boy Meets World discs in my example are not encrypted, but Bolt, for
example, is encrypted and reads just fine, so it is not an encryption problem.
- Any program that relies on selecting a disc or folder rather than a device
will not be able to see the disc, unfortunately. Only programs that can be
directed at a device in general can get around this program.
I'm happy to provide additional information and run tests/commands as
needed.
Thanks!
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: libdvd-pkg 1.4.0-1-1
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Thu May 19 18:57:11 2016
InstallationDate: Installed on 2015-01-22 (483 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
PackageArchitecture: all
SourcePackage: libdvd-pkg
UpgradeStatus: Upgraded to xenial on 2016-04-22 (27 days ago)
** Affects: libdvd-pkg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1583832
Title:
Some DVDs won't be recognized
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