https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues/143

** Bug watch added: gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues #143
   https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues/143

** Description changed:

- https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues/153
+ https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues/153 
(DUPLICATE OF 
https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues/143 )
  https://bugs.freedesktop.org/show_bug.cgi?id=110452 (RESOLVED NOTOURBUG)
  https://errors.ubuntu.com/problem/c7d8b2eb8ea371781ada6f2182d6926557d2fa91
  
  ---
  
  Backtrace goes through:
  
  totem -> clutter-gst (frame update) -> cogl (pipeline free) -> gstreamer
  (buffer free) -> gstreamer-vaapi (destroy objects) -> Nvidia libglvd
  (CommonMakeCurrent / InternalMakeCurrentVendor) -> Mesa GLX
  (MakeContextCurrent) -> Xlib (XError)
  
  Ubuntu bug doesn't say anything about what's the use-case / when this
  happens and whether it's reproducible (is it e.g. timing related), it
  seems just some random crash that Apport collects.
  
  In the backtrace Mesa MakeContextCurrent() calls __glXSendError() to tell 
that it was given invalid/bad context.  Corresponding Mesa code:
  ---------------------------
     if (gc) {
        /* Attempt to bind the context.  We do this before mucking with
         * gc and __glXSetCurrentContext to properly handle our state in
         * case of an error.
         *
         * If an error occurs, set the Null context since we've already
         * blown away our old context.  The caller is responsible for
         * figuring out how to handle setting a valid context.
         */
        if (gc->vtable->bind(gc, oldGC, draw, read) != Success) {
           __glXSetCurrentContextNull();
           __glXUnlock();
           __glXSendError(dpy, GLXBadContext, None, X_GLXMakeContextCurrent,
                          False);
           return GL_FALSE;
        }
  ---------------------------
  
  I.e. bug is in what is given to Mesa, not what Mesa does.
  
  -> NOTOURBUG
  
  To me it looks something that could happen when Totem is exiting, gst-
  vaapi is trying to use resources that have already been freed, and X
  catching that when Gstreamer gstvaapitexture_glx.c::destroy_objects()
  ask libglvnd to do CommonMakeCurrent().
  
  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: totem 3.26.0-0ubuntu5
  ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
  Uname: Linux 4.15.0-10-generic x86_64
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Mar 23 11:26:51 2018
  ExecutablePath: /usr/bin/totem
  InstallationDate: Installed on 2017-05-04 (323 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170503)
  ProcCmdline: /usr/bin/totem --gapplication-service
  Signal: 5
  SourcePackage: totem
  StacktraceTop:
   ?? () from /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libGLX.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libGLX.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvaapi.so
  Title: totem crashed with signal 5
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

** No longer affects: gstreamer

** Also affects: totem via
   https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues/143
   Importance: Unknown
       Status: Unknown

** Description changed:

- https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues/153 
(DUPLICATE OF 
https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues/143 )
+ https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues/153 DUPLICATE 
OF:
+ https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues/143
+ 
  https://bugs.freedesktop.org/show_bug.cgi?id=110452 (RESOLVED NOTOURBUG)
  https://errors.ubuntu.com/problem/c7d8b2eb8ea371781ada6f2182d6926557d2fa91
  
  ---
  
  Backtrace goes through:
  
  totem -> clutter-gst (frame update) -> cogl (pipeline free) -> gstreamer
  (buffer free) -> gstreamer-vaapi (destroy objects) -> Nvidia libglvd
  (CommonMakeCurrent / InternalMakeCurrentVendor) -> Mesa GLX
  (MakeContextCurrent) -> Xlib (XError)
  
  Ubuntu bug doesn't say anything about what's the use-case / when this
  happens and whether it's reproducible (is it e.g. timing related), it
  seems just some random crash that Apport collects.
  
  In the backtrace Mesa MakeContextCurrent() calls __glXSendError() to tell 
that it was given invalid/bad context.  Corresponding Mesa code:
  ---------------------------
     if (gc) {
        /* Attempt to bind the context.  We do this before mucking with
         * gc and __glXSetCurrentContext to properly handle our state in
         * case of an error.
         *
         * If an error occurs, set the Null context since we've already
         * blown away our old context.  The caller is responsible for
         * figuring out how to handle setting a valid context.
         */
        if (gc->vtable->bind(gc, oldGC, draw, read) != Success) {
           __glXSetCurrentContextNull();
           __glXUnlock();
           __glXSendError(dpy, GLXBadContext, None, X_GLXMakeContextCurrent,
                          False);
           return GL_FALSE;
        }
  ---------------------------
  
  I.e. bug is in what is given to Mesa, not what Mesa does.
  
  -> NOTOURBUG
  
  To me it looks something that could happen when Totem is exiting, gst-
  vaapi is trying to use resources that have already been freed, and X
  catching that when Gstreamer gstvaapitexture_glx.c::destroy_objects()
  ask libglvnd to do CommonMakeCurrent().
  
  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: totem 3.26.0-0ubuntu5
  ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
  Uname: Linux 4.15.0-10-generic x86_64
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Mar 23 11:26:51 2018
  ExecutablePath: /usr/bin/totem
  InstallationDate: Installed on 2017-05-04 (323 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170503)
  ProcCmdline: /usr/bin/totem --gapplication-service
  Signal: 5
  SourcePackage: totem
  StacktraceTop:
   ?? () from /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libGLX.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libGLX.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvaapi.so
  Title: totem crashed with signal 5
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to mesa in Ubuntu.
https://bugs.launchpad.net/bugs/1758287

Title:
  totem crashed with SIGTRAP in __glXSendError() from
  MakeContextCurrent()

Status in Totem:
  Unknown
Status in gstreamer-vaapi package in Ubuntu:
  New
Status in mesa package in Ubuntu:
  Invalid
Status in totem package in Ubuntu:
  Invalid

Bug description:
  https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues/153 DUPLICATE 
OF:
  https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues/143

  https://bugs.freedesktop.org/show_bug.cgi?id=110452 (RESOLVED NOTOURBUG)
  https://errors.ubuntu.com/problem/c7d8b2eb8ea371781ada6f2182d6926557d2fa91

  ---

  Backtrace goes through:

  totem -> clutter-gst (frame update) -> cogl (pipeline free) ->
  gstreamer (buffer free) -> gstreamer-vaapi (destroy objects) -> Nvidia
  libglvd (CommonMakeCurrent / InternalMakeCurrentVendor) -> Mesa GLX
  (MakeContextCurrent) -> Xlib (XError)

  Ubuntu bug doesn't say anything about what's the use-case / when this
  happens and whether it's reproducible (is it e.g. timing related), it
  seems just some random crash that Apport collects.

  In the backtrace Mesa MakeContextCurrent() calls __glXSendError() to tell 
that it was given invalid/bad context.  Corresponding Mesa code:
  ---------------------------
     if (gc) {
        /* Attempt to bind the context.  We do this before mucking with
         * gc and __glXSetCurrentContext to properly handle our state in
         * case of an error.
         *
         * If an error occurs, set the Null context since we've already
         * blown away our old context.  The caller is responsible for
         * figuring out how to handle setting a valid context.
         */
        if (gc->vtable->bind(gc, oldGC, draw, read) != Success) {
           __glXSetCurrentContextNull();
           __glXUnlock();
           __glXSendError(dpy, GLXBadContext, None, X_GLXMakeContextCurrent,
                          False);
           return GL_FALSE;
        }
  ---------------------------

  I.e. bug is in what is given to Mesa, not what Mesa does.

  -> NOTOURBUG

  To me it looks something that could happen when Totem is exiting, gst-
  vaapi is trying to use resources that have already been freed, and X
  catching that when Gstreamer gstvaapitexture_glx.c::destroy_objects()
  ask libglvnd to do CommonMakeCurrent().

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: totem 3.26.0-0ubuntu5
  ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
  Uname: Linux 4.15.0-10-generic x86_64
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Mar 23 11:26:51 2018
  ExecutablePath: /usr/bin/totem
  InstallationDate: Installed on 2017-05-04 (323 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170503)
  ProcCmdline: /usr/bin/totem --gapplication-service
  Signal: 5
  SourcePackage: totem
  StacktraceTop:
   ?? () from /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libGLX.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libGLX.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvaapi.so
  Title: totem crashed with signal 5
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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