[Interest] Debugging helpers in Ubuntu

Etienne Sandré-Chardonnal etienne.sandre at m4x.org
Mon Jan 23 13:47:41 CET 2017


Hi Viktor,

It happens in my code

Etienne

2017-01-23 11:29 GMT+01:00 Viktor Engelmann <viktor.engelmann at qt.io>:

> If it has to do with certain variables, then that only makes sense if the
> "locals and expressions" panel wants to display an object that has been
> deleted already, so there would be a dangling pointer. Does that happen in
> your code or Qt code? If Qt, can you tell which methods?
>
> regards
>
> Viktor
>
> Am 23.01.2017 um 10:56 schrieb Etienne Sandré-Chardonnal:
>
> Hi,
>
> I have a fresh & clean Ubuntu 16.04 install which is up to date.
>
> With QtCreator, if I enable the debugging helpers and stop on some
> breakpoints, I get a bunch of "Segmentation fault" dialog boxes opening
> until the desktop totally freezes. The only way I found to recover was
> switching to legacy text mode console and kill the desktop...
>
> This does not happen at every place in the debugged code, it seems some
> specific local variables do this.
>
> Do you have any idea how to fix this? This is super annoying... I don't
> even know if this comes from Qt or GDB.
>
> Thanks!
>
> Etienne
>
>
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>
> Viktor Engelmann
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>
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