recent/new Plasma5 crashes under investigation

Sandro Mani manisandro at
Wed Feb 11 15:52:23 UTC 2015

On 11.02.2015 16:04, Rex Dieter wrote:
> FYI,
> KDE SIG is investigating some recent/serious reported crasher bugs in
> rawhide, notably:
> "Could not sync environment to dbus." (startkde)
> and (an older one, but the situation has gotten worse recently):
> Qt5 application crashes when connecting/disconnecting displays
> Initial theories are that gcc5 landing may have something to do with it,
> since the recent crashes go away reverting to pre-gcc5 builds of the same
> packages.
While gcc 5.0 exposed some issues in the Qt codebase which are actual 
bugs (reported in the above linked QTBUG-44388), there is also 
definitely a compiler bug involved here (one hint of this being that I'm 
able to compile c++ code with a derived class method calling a private 
function of a base class). I'm currently trying to narrow down the 
issue. In any event, this bug is causing most Qt5 applications to crash 
right on start (regardless of the display configuration).


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