Such as: the Qt development after the long running process error: D3D11: o Device. The, what causes?
According to the method of online: https://blog.csdn.net/lanhy999/article/details/12189375, try to crash information capture, as a result, the software after the collapse did not generate a log file... Just in the final software have become extremely caton, finally the console error:

D3D11: o Device.
Abnormal end 22:10:20: applications,
22:10:20: The process was ended forcefully.
The software then withdrew,
During the software running about 80 minutes, use wizard button script to simulate artificial normal operation... 100% will be problem now,