Package: Qt

Version: 5.15.4 - 5.15.8

Debian Sid. With nouveau all working good. But after installing the
legacy 340.108 nvidia driver for my gf9800 i have Segmentation Fault
at launching all Qt GUI software. And opposite, Qt works again after
uninstalling nvidia driver.

But it is very strange that if I run Qt software via debugging tools
such as gdb or strace I have no errors.

gdb ./doomseeker
strace ./doomseeker

Same is with Qbittorrent

https://i.stack.imgur.com/ehbCm.png

and 2048-Qt

https://i.stack.imgur.com/OTV6q.png

Only two Qt application starting normally - CMake GUI and Audacious Qt theme

Is there any solution to fix this? Who can fix this Debian or Qt devs?

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