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Popups/Application losing focus when initializing on Qt 5.7 embedded toradex linux.

  • I have been trying to get to the bottom of this bug for days and hopefully someone here will have some sort of idea what's going on. When a popup in our embedded application is initializing, it stops about halfway through the setup and then never sets focus. We can click on the popup by sending keypresses directly to the application via an API but trying to do anything on the machine itself will not work. When looking at the focus logs, it never sets focus and never completes all of the initialization for popups. We have switched out operating systems and this happens on numerous linux builds but differs between the SOM/hardware we run it on. This happens whether the popup is modal or nonmodal, a pointer or non-pointer. I am at a loss, any help is appreciated.

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