I’m running Qt Creator 4.11.2 on macOS 10.15.4 without any problems with hangs. 
 Normally one can sample a process to see what it’s doing, like:

sample “Qt Creator” 10

in Terminal, but if your whole machine is hung maybe that won’t work.  Still, 
it might be worth a try starting a sample before it hangs and getting a 
cross-hang sample of the process.

Cheers,
-B.

Benjamin C. Haller
Messer Lab
Cornell University


> On Apr 6, 2020, at 1:10 PM, Kevin Ushey <kevinus...@gmail.com> wrote:
> 
> In the Security & Privacy preference pane, does Qt Creator have (or is it 
> blocked from) one of the requisite permissions? Users have reported similar 
> issues with Xcode; e.g. here: 
> https://apple.stackexchange.com/questions/332342/tccd-stuck-and-taking-up-lots-of-cpu
>  
> <https://apple.stackexchange.com/questions/332342/tccd-stuck-and-taking-up-lots-of-cpu>
> 
> On Sat, Apr 4, 2020 at 9:46 AM David M. Cotter <d...@kjams.com 
> <mailto:d...@kjams.com>> wrote:
> please see this description:
> https://forum.qt.io/topic/113278/mac-qt-creator-4-11-2-consistently-periodically-hangs
>  
> <https://forum.qt.io/topic/113278/mac-qt-creator-4-11-2-consistently-periodically-hangs>
> 
> i'm stymied.  it must be something in my system?
> i tried this on another computer and no problem.
> 
> -dave
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