According to your linked instructions, the intel graphics teams does not seem to use a mailing list for bug reports. Instead, I reported it in their bugtracker:
https://bugs.freedesktop.org/show_bug.cgi?id=92237 ** Bug watch added: freedesktop.org Bugzilla #92237 https://bugs.freedesktop.org/show_bug.cgi?id=92237 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1296224 Title: Horrible noise via DisplayPort [regression] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1296224/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
