gdb hangs
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I've seen this and the solution does not work for me. When I try to debug from within Creator I just get
{symbol loading messages}
{breakpoint messages}
NON-CRITICAL TIMEOUT
COMMANDS STILL IN PROGRESSin the debugger log, and then an indefinite hang.
(it might help if the above message included the commands being waited on).
This is with Qt Creator 4.15.1 on RHEL 7.6 with gdb 8.3.1
If I run pstack on the running gdb process, it is waiting in poll(). If both Creator and gdb are waiting for something then that seems like a deadlock.
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This is gdb on Linux, so the Visual Studio debugger on Windows is not relevant.
I checked the other link and https://doc.qt.io/qtcreator/creator-debugger-engines.html. gdb does have python and is more than the minimum version required. I can't see anything else there of use.