Public bug reported:

When playing a DVD in 24.04 , the audio and video is totally garbled, 
unwatchable 
Works perfectly on the same Intel Sandybridge machine i5-3340M

Same problem with or without VAAPI

errors like

'mpeg2video @ 0x7ddcc81b8f80] skipped MB in I-frame at 35 0
[mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 36 4
[mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 17 8
[mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 21 10
[mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 3 13
[mpeg2video @ 0x7ddcc81b8f80] skipped MB in I-frame at 16 14
[mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 20 15
[mpeg2video @ 0x7ddcc81b8f80] Invalid mb type in I-frame at 23 16
[mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 13 20
[mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 25 21
[mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 3 24
[mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 14 25
[mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 12 27
[mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 24 28
[mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 11 32
[mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 35 34
[mpeg2video @ 0x7ddcc81b8f80] Warning MVs not available
[mpeg2video @ 0x7ddcc81b8f80] concealing 1440 DC, 1440 AC, 1440 MV errors in I 
frame
[mpeg2video @ 0x7ddcc81b8f80] MPEG motion vector out of boundary (33439 32943)
[mpeg2video @ 0x7ddcc81b8f80] MPEG motion vector out of boundary (694 32943)
[mpeg2video @ 0x7ddcc81b8f80] MPEG motion vector out of boundary (710 32943)
[mpeg2video @ 0x7ddcc81b8f80] MPEG motion vector out of boundary (6 32959)
[mpeg2video @ 0x7ddcc81b8f80] MPEG motion vector out of boundary (22 32959)

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: vlc 3.0.20-3build6
ProcVersionSignature: Ubuntu 6.11.0-19.19~24.04.1-generic 6.11.11
Uname: Linux 6.11.0-19-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.5
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Fri Mar 14 13:23:54 2025
InstallationDate: Installed on 2024-07-15 (242 days ago)
InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
ProcEnviron:
 LANG=fr_FR.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
 XDG_RUNTIME_DIR=<set>
SourcePackage: vlc
UpgradeStatus: No upgrade log present (probably fresh install)
--- 
ProblemType: Bug
ApportVersion: 2.28.1-0ubuntu3.5
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 24.04
InstallationDate: Installed on 2024-07-15 (242 days ago)
InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
Package: vlc 3.0.20-3build6
PackageArchitecture: amd64
ProcEnviron:
 LANG=fr_FR.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
ProcVersionSignature: Ubuntu 6.11.0-19.19~24.04.1-generic 6.11.11
Tags: noble
Uname: Linux 6.11.0-19-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: N/A
_MarkForUpload: True

** Affects: vlc (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug apport-collected noble wayland-session

** Tags added: apport-collected

** Description changed:

  When playing a DVD in 24.04 , the audio and video is totally garbled, 
unwatchable 
  Works perfectly on the same Intel Sandybridge machine i5-3340M
  
  Same problem with or without VAAPI
  
  errors like
  
  'mpeg2video @ 0x7ddcc81b8f80] skipped MB in I-frame at 35 0
  [mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 36 4
  [mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 17 8
  [mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 21 10
  [mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 3 13
  [mpeg2video @ 0x7ddcc81b8f80] skipped MB in I-frame at 16 14
  [mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 20 15
  [mpeg2video @ 0x7ddcc81b8f80] Invalid mb type in I-frame at 23 16
  [mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 13 20
  [mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 25 21
  [mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 3 24
  [mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 14 25
  [mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 12 27
  [mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 24 28
  [mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 11 32
  [mpeg2video @ 0x7ddcc81b8f80] ac-tex damaged at 35 34
  [mpeg2video @ 0x7ddcc81b8f80] Warning MVs not available
  [mpeg2video @ 0x7ddcc81b8f80] concealing 1440 DC, 1440 AC, 1440 MV errors in 
I frame
  [mpeg2video @ 0x7ddcc81b8f80] MPEG motion vector out of boundary (33439 32943)
  [mpeg2video @ 0x7ddcc81b8f80] MPEG motion vector out of boundary (694 32943)
  [mpeg2video @ 0x7ddcc81b8f80] MPEG motion vector out of boundary (710 32943)
  [mpeg2video @ 0x7ddcc81b8f80] MPEG motion vector out of boundary (6 32959)
  [mpeg2video @ 0x7ddcc81b8f80] MPEG motion vector out of boundary (22 32959)
  
  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: vlc 3.0.20-3build6
  ProcVersionSignature: Ubuntu 6.11.0-19.19~24.04.1-generic 6.11.11
  Uname: Linux 6.11.0-19-generic x86_64
  ApportVersion: 2.28.1-0ubuntu3.5
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Mar 14 13:23:54 2025
  InstallationDate: Installed on 2024-07-15 (242 days ago)
  InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
  ProcEnviron:
   LANG=fr_FR.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: vlc
  UpgradeStatus: No upgrade log present (probably fresh install)
+ --- 
+ ProblemType: Bug
+ ApportVersion: 2.28.1-0ubuntu3.5
+ Architecture: amd64
+ CasperMD5CheckResult: pass
+ CurrentDesktop: ubuntu:GNOME
+ DistroRelease: Ubuntu 24.04
+ InstallationDate: Installed on 2024-07-15 (242 days ago)
+ InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
+ Package: vlc 3.0.20-3build6
+ PackageArchitecture: amd64
+ ProcEnviron:
+  LANG=fr_FR.UTF-8
+  PATH=(custom, no user)
+  SHELL=/bin/bash
+  TERM=xterm-256color
+ ProcVersionSignature: Ubuntu 6.11.0-19.19~24.04.1-generic 6.11.11
+ Tags: noble
+ Uname: Linux 6.11.0-19-generic x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: N/A
+ _MarkForUpload: True

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https://bugs.launchpad.net/bugs/2102640

Title:
  DVD not read correctly on VLC since 24.04

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