I can confirm this issue on Archlinux. My workaround is to remove ~/.Xmodmap because I don't need it. Make a copy before you remove it.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/998310 Title: .Xmodmap file makes xorg temporarily reach high cpu usage (90%-100%) after resume or when coming back from tty to X session To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/998310/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs