Freeze on nested eventloops (QFileDialog::getOpen*)

[Andreas Hartmetz]

On Sunday 14 June 2015 15:00:57 Milian Wolff wrote:
> Hey all,
> 
> in massif-visualizer's framework branch, and now also kate, I
> sometimes notice GUI lockups when I try to open files via Ctrl + O.
> The backtraces look like the following:
> 
> https://paste.kde.org/pbzhkgx8r
> 
> Any idea what might be going on here? Is it not a good idea to mix
> system compiled KF5-based stuff (e.g. KDEPlatformTheme.so) with
> kdesrc-build compiled KF5 libraries (/home/milian/projects/kf5/*)?
> 
> The applications do not recover from this lockup.
> 
Another interesting thing just happened: I opened a file dialog in Kate 
and it froze. I was editing (with rebase -i) a commit message in the 
same repository in which Kate had open files. After saving the commit 
message, Kate went back to normal. So it looks KDirWatch related.