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[Launchpad Bug Tracker <451023@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: libdvdnav (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/451023

Title:
  vlc crashed with SIGSEGV in vm_getbits()

Status in “libdvdnav” package in Ubuntu:
  Confirmed
Status in “vlc” package in Ubuntu:
  Invalid

Bug description:
  Binary package hint: vlc

  Attempt to play a DVD with VLC and it brings up the GUI briefly then exits. When using cmd line output looks like this. 
  <code>
  larry@Phoebe:~$ vlc /dev/cdrom
  VLC media player 1.0.2 Goldeneye
  [0x860c598] main interface error: no interface module matched "globalhotkeys,none"
  [0x860c598] main interface error: no suitable interface module
  [0x8562140] main libvlc error: interface "globalhotkeys,none" initialization failed
  [0x8562140] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
  libdvdnav: Using dvdnav version 4.1.3
  libdvdread: Using libdvdcss version 1.2.10 for DVD access
  libdvdnav: DVD Title: LEBOWSKI
  libdvdnav: DVD Serial Number: 25974AD0
  libdvdnav: DVD Title (Alternative): LEBOWSKI
  libdvdnav: Unable to find map file '/home/larry/.dvdnav/LEBOWSKI.map'
  libdvdnav: DVD disk reports itself with Region mask 0x00fe0000. Regions: 1

  libdvdread: Attempting to retrieve all CSS keys
  libdvdread: This can take a _long_ time, please be patient

  libdvdread: Get key for /VIDEO_TS/VIDEO_TS.VOB at 0x00000139
  libdvdread: Elapsed time 0
  libdvdread: Get key for /VIDEO_TS/VTS_01_0.VOB at 0x00000dfe
  libdvdread: Elapsed time 0
  libdvdread: Get key for /VIDEO_TS/VTS_01_1.VOB at 0x000042d0
  libdvdread: Elapsed time 0
  libdvdread: Get key for /VIDEO_TS/VTS_02_1.VOB at 0x001cb2ca
  libdvdread: Elapsed time 0
  libdvdread: Get key for /VIDEO_TS/VTS_03_1.VOB at 0x0022497c
  libdvdread: Elapsed time 0
  libdvdread: Get key for /VIDEO_TS/VTS_04_0.VOB at 0x00229a15
  libdvdread: Elapsed time 0
  libdvdread: Get key for /VIDEO_TS/VTS_04_1.VOB at 0x0022cee7
  libdvdread: Elapsed time 0
  libdvdread: Found 4 VTS's
  libdvdread: Elapsed time 0
  libdvdnav: Suspected RCE Region Protection!!!
  Segmentation fault (core dumped)
  </code>

  I can play this disk with other players, and the disk plays fine in
  several DVD players.

  ProblemType: Crash
  Architecture: i386
  CrashCounter: 1
  Date: Tue Oct 13 23:20:28 2009
  DistroRelease: Ubuntu 9.10
  ExecutablePath: /usr/bin/vlc
  Package: vlc-nox 1.0.2-1ubuntu1
  ProcCmdline: vlc /media/cdrom0
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.31-11.36-generic
  Signal: 11
  SourcePackage: vlc
  StacktraceTop:
   vm_getbits () from /usr/lib/libdvdnav.so.4
   ?? () from /usr/lib/libdvdnav.so.4
   ?? () from /usr/lib/libdvdnav.so.4
   vmEval_CMD () from /usr/lib/libdvdnav.so.4
   ?? () from /usr/lib/libdvdnav.so.4
  Title: vlc crashed with SIGSEGV in vm_getbits()
  Uname: Linux 2.6.31-11-generic i686
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare vboxusers
  SegvAnalysis:
   Segfault happened at: 0xdd0ea1 <vm_getbits+9>:	call   0xdca157
   PC (0x00dd0ea1) ok
   source "0xdca157" (0x00dca157) ok
   destination "(%esp)" (0xb7669000) ok
   Stack memory exhausted (SP below stack segment)
   SP (0xb7669000) ok
   Reason could not be automatically determined.
  SegvReason: Reason could not be automatically determined.

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