stalled CPUs after upgrading to 3.0.28

[Philipp Herz - Profihost AG]

Hi,

after upgrading linux kernel to version 3.0.28 some systems randomly 
freeze, because of "rcu_sched_state" stalling CPU(s).

Is there anything known to this problem? How can it be fixed?

Thanks and regards,
Philipp

+------------------------------------------------------------------+
   INFO: rcu_sched_state detected stall on CPU 3 (t=6361556 jiffies)
   sending NMI to all CPUs:
   NMI backtrace for cpu 2
   CPU 2
   Modules linked in: xt_tcpudp coretemp k8temp ipt_REJECT 
iptable_filter ip_tables x_tables ipv6 i2c_i801 i2c_core [last unloaded: 
scsi_wait_scan]
   Pid: 24170, comm: httpd Not tainted 2.6.40.28p4 #1 FUJITSU SIEMENS 
D2581-A5 /D2581-A5
   RIP: 0010:[<ffffffff815c45a9>] [<ffffffff815c45a9>] 
_raw_spin_lock+0x19/0x20
   RSP: 0018:ffff8801153e5dd8 EFLAGS: 00000293
   RAX: 000000000000056d RBX: ffff88010d2846d0 RCX: 0000000000000000
   RDX: 000000000000056a RSI: 0000000000000003 RDI: ffff88010d2846d0
   RBP: ffff8801153e5dd8 R08: ffff8801153e5e58 R09: dead000000100100
   R10: 0000000000000000 R11: ffffea0003e2eb28 R12: ffff8801153e5e58
   R13: ffff8801153e5e70 R14: ffff880012855348 R15: ffff8801153e5e58
   FS: 00007f1ea2c2a740(0000) GS:ffff88013fd00000(0000) 
knlGS:0000000000000000
   CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
   CR2: 00007f1ea00ee7e5 CR3: 0000000133ed7000 CR4: 00000000000006e0
   DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
   DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
   Process httpd (pid: 24170, threadinfo ffff8801153e4000, task 
ffff880132180000)Stack:
   ffff8801153e5df8 ffffffff8129a0f4 ffff8801153e5e18 0000000000c30003
   ffff8801153e5e18 ffffffff8129a120 ffff8801153e5e18 ffff88013b2e4060
   ffff8801153e5ea8 ffffffff8129c942 ffff8801395b1a40 ffff880100c30003
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