I changed that line so that it says: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash drm.debug=0x1e log_buf_len=4M"
and follower the rest of the steps. when typing: sudo dmesg | grep "Refresh Rate" on the terminal, nothing really happens. I am not sure I am doing that last step well, since I checked the previous ones. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1928138 Title: Flickering on built-in display (Intel Haswell graphics) since kernel v4.1 [bisected and workaround attached] To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1928138/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
