Comment 8 for bug 1782547

Or running direct Pcbnew:

gdb pcbnew
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Reading symbols from pcbnew...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/pcbnew
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffeb5ac700 (LWP 12343)]
[New Thread 0x7fffeadab700 (LWP 12344)]
[New Thread 0x7fffea5aa700 (LWP 12345)]
[New Thread 0x7fffcee1e700 (LWP 12362)]
[New Thread 0x7fffce61d700 (LWP 12363)]
[New Thread 0x7fffcde1c700 (LWP 12364)]
[New Thread 0x7fffccd3b700 (LWP 12365)]
[New Thread 0x7fffc7fff700 (LWP 12366)]
[Thread 0x7fffccd3b700 (LWP 12365) exited]

Thread 1 "pcbnew" received signal SIGSEGV, Segmentation fault.
0x00007fffdad02713 in ?? () from /usr/bin/_pcbnew.kiface