Tested with mainline kernel 3.12.0-031200-generic #201311071835 SMP x86_64, which also exhibits the problem. Updated tags. nohz=off workaround still works.
** Tags removed: needs-upstream-testing ** Tags added: kernel-bug-exists-upstream kernel-bug-exists-upstream-v3.12 ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/814426 Title: 1412:1712 Crackling Sound on PCI card To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/814426/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs