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[Bug 1539597] Re: nvidia-304 fails to install properly causing unity-control-center to crash


I changed the title to more properly represent the underlying problem.
As mentioned above I suspect this is a duplicate of (or related to)
either bug 1477593 or bug 1498146. In fact one or the other of those
might be a duplicate of the other. Currently the Wily HWE stack seems to
be working OK in 14.04.4 but I'll have to verify that after trusty-
proposed is switched off and the 14.04.4 release candidates build. I'll
then follow up testing the current state of Xenial and Wily ASAP.

** Summary changed:

- unity-control-center crashed with SIGSEGV in _cogl_renderer_handle_native_event()
+ nvidia-304 fails to install properly causing unity-control-center to crash

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  nvidia-304 fails to install properly causing unity-control-center to

Status in unity-control-center package in Ubuntu:

Bug description:
  I get this crash trying to open System Settings in Xenial. The System
  Settings UI fails to open and apport takes over.

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: unity-control-center 15.04.0+16.04.20160119-0ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-2.16-generic 4.4.0
  Uname: Linux 4.4.0-2-generic x86_64
  ApportVersion: 2.19.4-0ubuntu1
  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: GNOME-Flashback:Unity
  Date: Fri Jan 29 07:27:47 2016
  ExecutablePath: /usr/bin/unity-control-center
  InstallationDate: Installed on 2015-11-10 (80 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151109)
  ProcCmdline: unity-control-center --overview
   PATH=(custom, no user)
   Segfault happened at: 0x7fc5ad919809:	mov    0xd8(%rdi),%rbx
   PC (0x7fc5ad919809) ok
   source "0xd8(%rdi)" (0x000000d8) not located in a known VMA region (needed readable region)!
   destination "%rbx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: unity-control-center
   ?? () from /usr/lib/x86_64-linux-gnu/libcogl.so.20
   ?? () from /usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
   gdk_display_get_event () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
  Title: unity-control-center crashed with SIGSEGV in gdk_display_get_event()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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