Thank you very much Joachim for the valuable guidance. Next time I will use ubuntu-bug. However, for this bug I found a trick, that is, to install tuxmath package from the next Ubuntu release, Impish Indri. It works on Hirsute without issues I reported above.
Regards, Malsasa -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1936746 Title: Segmentation fault on 21.04 Hirsute Hippo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/tuxmath/+bug/1936746/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs