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[dino99 <1471586@xxxxxxxxxxxxxxxxxx>]

Feedback2

with these 2 files above (1.6.2-1) upgraded, now Files (nautilus) makes
gnome-shell crashing each time to want to switch the opened nautilus to
an other workplace: the command "move to a workplace down" firstly
freeze then G-S crash and the session is closed, going back to the
session login screen.

Looks like the apps using these 2 clutter files above needs to be
rebuilt with.

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https://bugs.launchpad.net/bugs/1471586

Title:
  breaks x11 with some apps with nvidia drivers installed/in use

Status in clutter-1.0 package in Ubuntu:
  Confirmed

Bug description:
  Test case *here*  with nvidia mobile gpu (GeForce GT 755M
  Install nvidia drivers (version 346.82) if not already
  Switch to nvidia thru Prime Profiles, log out/in if needed
  Try to open totem or cheese

  What happens - segfaults -  example totem
  (totem:3097): Gdk-ERROR **: The program 'totem' received an X Window System error.
  This probably reflects a bug in the program.
  The error was 'BadMatch (invalid parameter attributes)'.
    (Details: serial 330 error_code 8 request_code 154 (GLX) minor_code 31)
    (Note to programmers: normally, X errors are reported asynchronously;
     that is, you will receive the error a while after causing it.
     To debug your program, run it with the GDK_SYNCHRONIZE environment
     variable to change this behavior. You can then get a meaningful
     backtrace from your debugger if you break on the gdk_x_error() function.)
  Trace/breakpoint trap (core dumped)

  If totem or cheese are started with this then they open correctly - 
  CLUTTER_BACKEND=x11 totem
  or
  CLUTTER_BACKEND=x11 cheese

  (or CLUTTER_BACKEND=x11 in /etc/environment also temp resolves

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: libclutter-1.0-0 1.22.4-1
  ProcVersionSignature: Ubuntu 3.19.0-22.22-generic 3.19.8-ckt1
  Uname: Linux 3.19.0-22-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.17.3-0ubuntu4
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sun Jul  5 13:56:45 2015
  InstallationDate: Installed on 2015-07-04 (1 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150704)
  SourcePackage: clutter-1.0
  UpgradeStatus: No upgrade log present (probably fresh install)

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