Version: 1.2.1 (using KDE 4.2.2) Compiler: gcc-4.3 OS: Linux Installed from: Debian testing/unstable Packages This trace reverse seems pointless. This is probably due to their packages are generated so as to prevent the creation of appropriate reverse trace, or the battery has been seriously damaged during the failure of the application.
Alberto, please describe what you did before you got the crash. Also see http://techbase.kde.org/Development/Tutorials/Debugging/How_to_create_useful_crash_reports
Important info is missing, crash likely to be fixed with newer versions. Please open a new bug if you are still experiencing this issue.