[Lazarus] EAccessViolation exception on exit qt5 project in Kubuntu 19.10

Luca Olivetti luca at wetron.es
Tue Apr 14 13:33:53 CEST 2020


El 14/4/20 a les 12:55, zeljko ha escrit:
> On 4/13/20 7:43 PM, Luca Olivetti via lazarus wrote:
> 
>> Now I tried installing the packaged libqt5pas and still see no segfault.
>> Note that this isn't a fresh install, I dist-upgraded it (or better 
>> do-release-upgraded it) many times, but I don't think that should matter.
> 
> IMO, fpc version is important. 

Yes, I meant that what doesn't matter is that I didn't install 19.10 
clean but via do-release-upgrade

> fpc-3.0.4 from distro crashes, fpc-3.0.4 
> built via fpcupdeluxe works, fpc-3.2.0beta works (because it's built via 
> fpcupdeluxe ? ).
> Also, KDE Plasma have bug somewhere in KioCore which triggers on qt app 
> close - for this, I must test pure Qt5 application to see what's going 
> on. In this case Qt4 apps are crashing too.
> How to reproduce such crash: simple form with TOpenDialog or 
> TSaveDialog, start your project, open dialog, close dialog, close app 
> and you'll segfaulted.

not with fpc 3.2.0rc1 (I tried without opening the dialog, opening but 
cancelling it, opening and selecting a file).

Bye

-- 
Luca Olivetti
Wetron Automation Technology http://www.wetron.es/
Tel. +34 93 5883004 (Ext.3010)  Fax +34 93 5883007


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