[Bug 538505] Re: KDE frontend extremely slow reponsiveness / high CPU usage

[Invalid]

Problem still exists in 11.04.
Right now I am installing kubuntu on notebook from kubuntu-11.04-desktop-amd64.iso image.
ubiquity process is using 100% of CPU, and is very slow -  installation progress is updating about once per 10 minutes.
After installation completed, it still eating 100% CPU.

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https://bugs.launchpad.net/bugs/538505

Title:
  KDE frontend extremely slow reponsiveness / high CPU usage

Status in “ubiquity” package in Ubuntu:
  Fix Released
Status in “ubiquity” source package in Lucid:
  Won't Fix

Bug description:
  Binary package hint: ubiquity

  Using Kubuntu 10.04 (Lucid) dailys, ubiquity is extremely slow. This
  may be caused by a very high cpu usage or so it looked. When I click
  on "next" in the installer, it takes a lot of time, as it takes a long
  time to do anything like editing partitions etc.. Whenever I minimize
  the installer I hear my hard drive working as it should and when I
  maximize ubiquity again I see it has worked its way to the next step,
  so it worked properly whenever it was minimized. In the end, I find
  myself always minimizing and maximizing the installer to get through
  the installation process.

  I have seen the same issue with Kubuntu 9.10 but it was not as bad as
  it is with 10.04. It may be an issue related to the opensource radeon
  driver or the other X/Mesa elements. I am using an AMD Radeon HD 4850.

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