This is very likely https://bugs.debian.org/910317 ("QtWebEngine in unstable is constantly crashing").
** Bug watch added: Debian Bug tracker #910317 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=910317 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1796034 Title: lubuntu 18.10 falkon nouveau test on qutebrowser crashed with SIGSEGV in __GI_____strtoul_l_internal() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qutebrowser/+bug/1796034/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs