[Bug 194080] New: Dual X-session consumes 100% cpu load after inactive screen auto-locks

[Jeroen van Disseldorp]

https://bugs.kde.org/show_bug.cgi?id=194080

           Summary: Dual X-session consumes 100% cpu load after inactive
                    screen auto-locks
           Product: kde
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: jdizzl at xs4all.nl


Version:           4.3 beta 1 (using KDE 4.2.85)
Compiler:          N/A N/A
OS:                Linux
Installed from:    Ubuntu Packages

I installed KDE 4.3 beta 1 from Kubuntu's (Jaunty) experimental repository. My
girlfriend and I use a dual-X-session setup, switching users/desktops with
CTRL-F7 and CTRL-F9 for each of our desktops. This works great until the
inactive desktop in the background auto-locks the screen. After that the x.org
of the inactive user eats away 100% cpu time (100% on Athlon X2).

Switching desktops and unlocking the previously inactive screen allows the CPU
to drop to the normal 4-5% again. CPU load spikes again as soon as the next
background desktop is locked.

I witnessed this behaviour already since I started using KDE 4.2 betas, so
might be an older bug.

KDE: 4.3 beta 1, packages from Experimental repository
Distro: Kubuntu Jaunty
Machine: Athlon 64 X2 4600+
Graphics: ATI Radeon X550

If you need any more info, please let me know.

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