[kdelibs] [Bug 318309] Unattended crash

[Jerry Nelson]

https://bugs.kde.org/show_bug.cgi?id=318309

--- Comment #2 from Jerry Nelson <jerry-va at speakeasy.net> ---
Created attachment 85827
  --> https://bugs.kde.org/attachment.cgi?id=85827&action=edit
New crash information added by DrKonqi

plasma-desktop (0.4) on KDE Platform 4.8.5 (4.8.5) using Qt 4.8.1

- What I was doing when the application crashed:
Starting March2014
I often return to machine to find a desktop crash has occurred.
My WinXP VM (virtual machine; VMWare Workstation) will still be up, 
but the Kubuntu desktop will not have full functionality.
Side panels may be missing.  
With time, it may become impossible to start a reboot from the GUi.
A terminal session may become necessary to get a reboot -k now.

Again, this is an unattended crash.

- Unusual behavior I noticed:

UNUSUAL GRAPHICS BEHAVIOR
In the WinXP VM, the cursor can degenerate to the display of a rectangular
patch (of memory?) about 16mmW x 10mmH sparesly filled with lit pixels of a
limited color range.
This UNUSUAL GRAPHICS BEHAVIOR started about the same time in early Mar2014
when the Plasma Desktop unattended crashes began.  

Except for prompt installation of all available updates, there are no machine
changes.

This does not feel anything like a classic graphics driver crash to me.  The
host OS is providing the VM service calls with a bogus returns for cursor info.
 Very  isolated.

-- Backtrace (Reduced):
#6  0x00007fbd59793425 in __GI_raise (sig=<optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007fbd59796b8b in __GI_abort () at abort.c:91
[...]
#12 0x00007fbd569e516c in QEventLoop::exec (this=<optimized out>, flags=...) at
kernel/qeventloop.cpp:218
#13 0x00007fbd569e9f67 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1148
#14 0x00007fbd59b5ea13 in kdemain (argc=1, argv=0x7fffe332f928) at
../../../../plasma/desktop/shell/main.cpp:120

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