@u-dal: the problem with firefox (it has a snap profile and is allowed access to user namespaces) is different than with chrome (no profile loaded), but still might be apparmor related. Can you look in dmesg for apparmor denials
``` sudo dmesg | grep DENIED ``` -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/2046844 Title: AppArmor user namespace creation restrictions cause many applications to crash with SIGTRAP To manage notifications about this bug go to: https://bugs.launchpad.net/apparmor/+bug/2046844/+subscriptions -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
