https://bugs.kde.org/show_bug.cgi?id=351832

            Bug ID: 351832
           Summary: panel and desktop freeze every time, 1-few minutes
                    after starting a session
           Product: plasmashell
           Version: 5.2.2
          Platform: Kubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: grave
          Priority: NOR
         Component: Panel
          Assignee: [email protected]
          Reporter: [email protected]

Every time I start a kde session, the bottom panel and the desktop freeze
after
about a minute (sometimes a few minutes). I can move the pointer but
clicking
on any part of the panel or the desktop has no effect. The clock in the
panel
stays frozen. I can switch between virtual desktops and still use programs
that
were opened before the freeze, or even open new ones, via keyboard
shortcuts. I
can use the pointer inside such programs and resize windows but not click
on
anything on the desktop, the panel (or menu). Nothing except doing a reboot
changes this state.
I didn't see any messages coinciding with the time of the freezing in
/var/log/syslog .

I don't recall that any update or install coincided with the onset of this
behavior (about a week ago). I actually did one system update via
muon-updater
since then, with no change of this issue.


Reproducible: Always

Steps to Reproduce:
1. start system
2. wait about 1 minute
3.

Actual Results:  
panel/desktop freezes

Expected Results:  
should have functioned normally

This is running kubuntu 15.04, 64 bit, on a Lenovo Yoga ideapad ('Yoga 1',
13"
screen) with intel i5 processor.

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