Public bug reported:

Binary package hint: gnome-system-monitor

Trying to "Change Priority" for any process of any owner causes g-s-m to
close with the following error shown in the terminal:

The program 'gnome-system-monitor' received an X Window System error.
This probably reflects a bug in the program.
The error was 'BadMatch (invalid parameter attributes)'.
  (Details: serial 125982 error_code 8 request_code 1 minor_code 0)

Apport and gdb do not see any crash, so I can't get a backtrace. This is
reproducible for me every time. Note that the priority slider does not
need to be changed, as the crash happens when pressing the "Change
Priority" button under any circumstances. This is similar to the fixed
libgksu bug #206583, but appears to be a separate issue. This did not
occur previously in Jaunty.

Steps to reproduce:
1) Open gnome-system-monitor
2) Right-click on any process in the Processes tab and choose "Change Priority"
3) Adjusting the slider is optional. Press the "Change Priority" button. 

What should happen:
4) The priority chosen by the slider is applied to the process, and g-s-m stays 
open.

What actually happens:
4) g-s-m closes, and "Starting Administrative Application" appears in the 
gnome-panel. No renice occurs.

ProblemType: Bug
Architecture: amd64
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/gnome-system-monitor
NonfreeKernelModules: nvidia
Package: gnome-system-monitor 2.26.0.1-0ubuntu1
ProcEnviron:
 PATH=(custom, user)
 LANG=en_AU.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-system-monitor
Uname: Linux 2.6.28-11-generic x86_64

** Affects: gnome-system-monitor (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug

-- 
gnome-system-monitor renice causes close
https://bugs.launchpad.net/bugs/363558
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