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.
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.