Comment # 8 on bug 1218455 from Michael Hirmke

Jul 01 11:11:44 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 11:13:03 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 11:13:17 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 11:29:35 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 11:31:15 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 11:45:25 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 11:45:38 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 11:49:30 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 11:49:33 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 11:49:58 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:19:57 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:20:19 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:22:01 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:22:17 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:22:36 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:25:22 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:28:06 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:28:43 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:31:22 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:42:22 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:42:36 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:43:24 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:43:41 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:44:59 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:45:19 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:46:07 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:47:39 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:48:21 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 16:48:38 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 20:21:03 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 20:22:08 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 20:23:26 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 20:23:36 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 20:25:47 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 20:26:07 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 20:28:27 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!
Jul 01 20:28:39 client kernel: NOHZ tick-stop error: local softirq work is
pending, handler #08!!!

Everytime this happens, the system freezes and the network ist not reachable.
It gets impossible to work 8-<