Using raspberry pie 4 b, the new system, installed the QT5 and Qtcreator4.8.2, compiler configuration for GCC, debuger configured to GDB,

New construction, a simple HelloWorld program, the program of the first line breakpoints, every time debugging, will pop-up dialog box, in the above tips to receive SIGSTOP signals in the system, press F5 will continue to play again, press F5 again continue to enter the program normal breakpoints,