System monitor shows wrong info

[eixmg]

Binary package hint: gnome-system-monitor

I think that something wrong in my ubuntu. In sys monitor my memory half empty, but swap is used though!!!
And in terminal: free -m shows that memory is full used! System lags alot! What should I do? I only use Firefox...

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: gnome-system-monitor 2.28.1-1ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-24.42-generic 2.6.35.8
Uname: Linux 2.6.35-24-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Tue Jan 25 00:08:21 2011
ExecutablePath: /usr/bin/gnome-system-monitor
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: gnome-system-monitor

[Chris Wilson (notgary-deactivatedaccount)]

Thanks a lot for reporting this, however what you describe sounds less like a bug and more like a support request. You should head on over to either http://askubuntu.com or http://ubuntuforums.org and seek assistance with this issue.

Good luck ;)