Solution ... add pty.legacy_count=16 to grub boot options
update-grub cp /lib/udev/rules.d/50-udev-default.rules /etc/udev/rules.d modify 50-udev-default.rules with following lines : KERNEL=="pty[pqrstuvwxyzabcdef][0123456789abcdef]", GROUP="tty", MODE="0666" KERNEL=="tty[pqrstuvwxyzabcdef][0123456789abcdef]", GROUP="tty", MODE="0666" ** Changed in: linux (Ubuntu) Status: Expired => Fix Released -- pty and chrooted environment https://bugs.launchpad.net/bugs/353876 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs