Yes, this is safe to do. If you have issues with the mainline kernel, you can boot back into the original kernel from the GRUB menu. You can then uninstall the mainline kernel following the "Uninstalling Mainline Kernels" instructions at:
https://wiki.ubuntu.com/KernelMainlineBuilds -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/877506 Title: numeric keypad does not work on acer aspire 7520G To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/877506/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
