Public bug reported: Udev version in Ubuntu 12.04 LTS Precise does not load all modules automatically. This is know bug in udev which was fixed more than one year ago in upstream project.
Specially this bug cause that no module with cpu modalias is loaded for kernels >= 3.11. More info is on ML: http://lists.freedesktop.org/archives/systemd-devel/2013-July/012165.html Upstream patch which fixing this bug is simple and one-line: http://cgit.freedesktop.org/systemd/systemd/commit/?id=bf7f800f2b3e93ccd1229d4717166f3a4d3af72f Please backport this patch to Ubuntu 12.04 LTS. It should be simple as it is one-line patch and should not have any regressions. It is also in upstream udev project. ** Affects: udev (Ubuntu) Importance: Undecided Status: New ** Tags: patch ** Tags added: patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1404509 Title: [precise] udev does not automatically load modules To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/udev/+bug/1404509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs