[Bug 156987] New: Apps in KDE4 session works very slow when KDE4 started from power off state or after reboot

[Pavel Zheltobryukhov]

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http://bugs.kde.org/show_bug.cgi?id=156987         
           Summary: Apps in KDE4 session works very slow when KDE4 started
                    from power off state or after reboot
           Product: kde
           Version: unspecified
          Platform: SuSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs kde org
        ReportedBy: pij rambler ru


Version:            (using KDE 4.0.0)
Installed from:    SuSE RPMs

I use additional test account for working  with KDE4 and found that

- if I start KDE4 session with test account from power off state or after reboot, all applications (both Qt and GTK) in KDE4 session start very slowly, working with big delayed responses on mouse clicks at panel icons and windows controls, with slow redrawing windows when it content changed. But there is no high CPU consumption or memory leaks here. All windows effects disabled.

- if I start KDE3 session first with my primary account, then logout from KDE3 to kdm, switch account to test and log into KDE4 - all apps works good without any visible delays.

I use RoverBook B400L laptop (formerly Clevo M350C) with Celeron-M 1400MHz, 1024M RAM, i855GM onboard video with 65535K video RAM

How I can debug this?