Comment 3 for bug 1026061

I've tried to reboot from several stock kernel and the a test kernel based on quantal/master-next on 4th node

Linux version 3.2.0-25-highbank (buildd@nihal) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #40-Ubuntu SMP PREEMPT Thu May 24 00:18:11 UTC 2012
Linux version 3.2.0-26-highbank (buildd@nihal) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #41-Ubuntu SMP PREEMPT Thu Jun 14 20:55:11 UTC 2012
Linux version 3.2.0-27-highbank (buildd@ain) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #43-Ubuntu SMP PREEMPT Fri Jul 6 16:48:52 UTC 2012
Linux version 3.5.0-3-highbank (buildd@nihal) (gcc version 4.7.1 (Ubuntu/Linaro 4.7.1-2ubuntu1) ) #3-Ubuntu SMP PREEMPT Mon Jul 2 20:08:03 UTC 2012
Linux version 3.5.0-4-highbank (buildd@nihal) (gcc version 4.7.1 (Ubuntu/Linaro 4.7.1-3ubuntu1) ) #4-Ubuntu SMP PREEMPT Tue Jul 10 01:50:33 UTC 2012
Linux version 3.5.0-5-highbank (root@tangerine) (gcc version 4.7.1 (Ubuntu/Linaro 4.7.1-5ubuntu1) ) #5 SMP PREEMPT Tue Jul 17 20:45:17 UTC 2012

and no hang occurs.

Will try 3rd node later