see also https://sourceware.org/bugzilla/show_bug.cgi?id=29045#c3 where the gdb list recommends updating to a stable version of gdb
** Bug watch added: Sourceware.org Bugzilla #29045 https://sourceware.org/bugzilla/show_bug.cgi?id=29045 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1971409 Title: value_copy: Assertion `arg->contents != nullptr' failed. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdb/+bug/1971409/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs