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[Andrew Skalski <1293252@xxxxxxxxxxxxxxxxxx>]

Is there anything I can do to help troubleshoot this?  I purchased
Kerbal Space Program "early access" on Steam this morning, and gnome-
panel crashes with this error whenever I try to run the game.  This does
not happen with the KSP demo, only the full version.  A web search
suggests this may affect any game that uses the Unity engine, not just
KSP.

While KSP is running, any attempt to start up gnome-panel results in an
immediate crash with this error output:

(gnome-panel:7495): Gdk-ERROR **: The program 'gnome-panel' received an X Window System error.
This probably reflects a bug in the program.
The error was 'BadMatch (invalid parameter attributes)'.
  (Details: serial 2047 error_code 8 request_code 62 (core protocol) minor_code 0)
  (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

I use "gnome-session-flashback" as my desktop environment on Ubuntu
14.10.  The default desktop environment does not seem to be affected by
this (I tried in a Guest session), but even in the Guest session you can
still reproduce the error by attempting to execute "gnome-panel" in a
terminal window while KSP is running.

If I install libcairo2-dbg and run gnome-panel with the GDK_SYNCHRONIZE
environment variable, the crash occurs on line 905 of
cairo-1.13.0~20140204/src/cairo-xlib-surface-shm.c when
_cairo_xlib_surface_update_shm calls XCopyArea().  According to the
XCopyArea docs at www.x.org, "The drawables must have the same root and
depth, or a BadMatch error results."  Unfortunately I am not versed in X
programming, so I don't know what to try next.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-panel in Ubuntu.
https://bugs.launchpad.net/bugs/1293252

Title:
  gnome-panel crashed with signal 5 in _XReply()

Status in “gnome-panel” package in Ubuntu:
  Confirmed

Bug description:
  ?

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: gnome-panel 1:3.8.0-1ubuntu9
  ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
  Uname: Linux 3.13.0-17-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sun Mar 16 23:53:20 2014
  ExecutablePath: /usr/bin/gnome-panel
  GsettingsChanges:
   
  InstallationDate: Installed on 2014-02-28 (16 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140224)
  ProcCmdline: gnome-panel
  ProcEnviron:
   LANGUAGE=de_DE
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  Signal: 5
  SourcePackage: gnome-panel
  StacktraceTop:
   ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
   ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
   _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
   XSync () from /usr/lib/x86_64-linux-gnu/libX11.so.6
   ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
  Title: gnome-panel crashed with signal 5 in _XReply()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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