you may have some hdd bad sectors if you need to reinstall again & again https://askubuntu.com/questions/539737/fastest-way-to-check-for-bad-sectors-in-hdd
** Changed in: xorg (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1728103 Title: Please help me To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1728103/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs