Public bug reported:

Binary package hint: network-manager

When I click on the NetworkManager icon sitting on the notification
area, I get a list of the available WiFi access points. When this menu
is open, nm and X uses up to 100% CPU, as the attached image shows.

I think the problem is related to the progress bars. Each access point
has a "progress bar" displaying the signal strength. These bars are
animated in the Human (Murrine-based) theme, and I suppose, that the
animation of each bar can cause the abnormal CPU activity.

I think the progress bars should not (and need not) contain animation,
because they does not "express" any kind of "progress" (as in file
copying).

My computer: Eee PC 901, Intel(R) Atom(TM) CPU [email protected], Intel(R)
945GME, 1 Gb RAM

ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
IfupdownConfig:
 auto lo
 iface lo inet loopback
Package: network-manager 0.7.1~rc4.1.cf199a964-0ubuntu2
ProcEnviron:
 PATH=(custom, user)
 LANG=hu_HU.UTF-8
 SHELL=/bin/bash
SourcePackage: network-manager
Uname: Linux 2.6.28-11-generic i686

** Affects: network-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386

-- 
NetworkManager high CPU usage with Human theme displaying wifi list
https://bugs.launchpad.net/bugs/372456
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