I can confirm this on .7z too. This is annoying. (how long will it take? 1, 10, 100 minutes? who know?)
see https://bugs.launchpad.net/ubuntu/+source/file-roller/+bug/245764 -- file-rollers progress bar does not indicate progress https://bugs.launchpad.net/bugs/18250 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a direct subscriber. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
