Public bug reported:

Here is the problem:

$ vainfo 
libva info: VA-API version 0.35.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_35
libva info: va_openDriver() returns 0
vainfo: VA-API version: 0.35 (libva 1.3.0)
vainfo: Driver version: Intel i965 driver - 1.3.0
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            : VAEntrypointVLD
      VAProfileMPEG2Main              : VAEntrypointVLD
      VAProfileH264ConstrainedBaseline: VAEntrypointVLD
      VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
      VAProfileH264Main               : VAEntrypointVLD
      VAProfileH264Main               : VAEntrypointEncSlice
      VAProfileH264High               : VAEntrypointVLD
      VAProfileH264High               : VAEntrypointEncSlice
      VAProfileVC1Simple              : VAEntrypointVLD
      VAProfileVC1Main                : VAEntrypointVLD
      VAProfileVC1Advanced            : VAEntrypointVLD
      VAProfileNone                   : VAEntrypointVideoProc
Segmentation fault (core dumped)

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: vainfo 1.3.0-2
ProcVersionSignature: Ubuntu 3.13.0-29.52-generic 3.13.11.2
Uname: Linux 3.13.0-29-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
CurrentDesktop: KDE
Date: Tue Jun  3 11:03:32 2014
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/vainfo
ProcCmdline: vainfo
SegvAnalysis:
 Segfault happened at: 0x7f7ec3e484a2 <va_TraceEnd+18>: mov    (%rbx),%rdi
 PC (0x7f7ec3e484a2) ok
 source "(%rbx)" (0x7575757575757575) not located in a known VMA region (needed 
readable region)!
 destination "%rdi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: libva
StacktraceTop:
 va_TraceEnd (dpy=dpy@entry=0x1d4f2f0) at va_trace.c:238
 vaTerminate (dpy=dpy@entry=0x1d4f2f0) at va.c:523
 main (argc=<optimized out>, argv=<optimized out>) at vainfo.c:149
Title: vainfo crashed with SIGSEGV in va_TraceEnd()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm autopilot cdrom dip fuse libvirtd lpadmin plugdev sambashare 
staff sudo

** Affects: libva (Ubuntu)
     Importance: Medium
         Status: New


** Tags: amd64 apport-crash trusty

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/1325873

Title:
  vainfo crashed with SIGSEGV in va_TraceEnd()

Status in “libva” package in Ubuntu:
  New

Bug description:
  Here is the problem:

  $ vainfo 
  libva info: VA-API version 0.35.0
  libva info: va_getDriverName() returns 0
  libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
  libva info: Found init function __vaDriverInit_0_35
  libva info: va_openDriver() returns 0
  vainfo: VA-API version: 0.35 (libva 1.3.0)
  vainfo: Driver version: Intel i965 driver - 1.3.0
  vainfo: Supported profile and entrypoints
        VAProfileMPEG2Simple            : VAEntrypointVLD
        VAProfileMPEG2Main              : VAEntrypointVLD
        VAProfileH264ConstrainedBaseline: VAEntrypointVLD
        VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
        VAProfileH264Main               : VAEntrypointVLD
        VAProfileH264Main               : VAEntrypointEncSlice
        VAProfileH264High               : VAEntrypointVLD
        VAProfileH264High               : VAEntrypointEncSlice
        VAProfileVC1Simple              : VAEntrypointVLD
        VAProfileVC1Main                : VAEntrypointVLD
        VAProfileVC1Advanced            : VAEntrypointVLD
        VAProfileNone                   : VAEntrypointVideoProc
  Segmentation fault (core dumped)

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: vainfo 1.3.0-2
  ProcVersionSignature: Ubuntu 3.13.0-29.52-generic 3.13.11.2
  Uname: Linux 3.13.0-29-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Tue Jun  3 11:03:32 2014
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/vainfo
  ProcCmdline: vainfo
  SegvAnalysis:
   Segfault happened at: 0x7f7ec3e484a2 <va_TraceEnd+18>:       mov    
(%rbx),%rdi
   PC (0x7f7ec3e484a2) ok
   source "(%rbx)" (0x7575757575757575) not located in a known VMA region 
(needed readable region)!
   destination "%rdi" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: libva
  StacktraceTop:
   va_TraceEnd (dpy=dpy@entry=0x1d4f2f0) at va_trace.c:238
   vaTerminate (dpy=dpy@entry=0x1d4f2f0) at va.c:523
   main (argc=<optimized out>, argv=<optimized out>) at vainfo.c:149
  Title: vainfo crashed with SIGSEGV in va_TraceEnd()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm autopilot cdrom dip fuse libvirtd lpadmin plugdev sambashare 
staff sudo

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