I got some errors from kernel. What is wrong?
6.0up75.8101.5377 64bit

Code:
2011/06/22 09:39:51     kernel:[  253.012540] Pid: 0, comm: swapper Not tainted 2.6.27.39-oe64-00000-g5ec1914 #49

2011/06/22 09:39:51     kernel:[  253.012541] 

2011/06/22 09:39:51     kernel:[  253.012542] Call Trace:

2011/06/22 09:39:51     kernel:[  253.012544]  <IRQ>  [<ffffffff80234f6d>] warn_slowpath+0xcd/0x110

2011/06/22 09:39:51     kernel:[  253.012550]  [<ffffffff8022af87>] source_load+0x37/0x70

2011/06/22 09:39:51     kernel:[  253.012553]  [<ffffffff8041cd39>] __next_cpu+0x19/0x30

2011/06/22 09:39:51     kernel:[  253.012556]  [<ffffffff8022ca4a>] find_busiest_group+0x19a/0x850

2011/06/22 09:39:51     kernel:[  253.012558]  [<ffffffff8022bc5d>] place_entity+0xad/0xe0

2011/06/22 09:39:51     kernel:[  253.012560]  [<ffffffff8022e4fc>] enqueue_task_fair+0xfc/0x120

2011/06/22 09:39:51     kernel:[  253.012562]  [<ffffffff8022ad23>] enqueue_task+0x13/0x30

2011/06/22 09:39:51     kernel:[  253.012565]  [<ffffffff8022e795>] try_to_wake_up+0xe5/0x190

2011/06/22 09:39:51     kernel:[  253.012568]  [<ffffffff80249e09>] autoremove_wake_function+0x9/0x30

2011/06/22 09:39:51     kernel:[  253.012570]  [<ffffffff804225ae>] strlcpy+0x4e/0x80

2011/06/22 09:39:51     kernel:[  253.012573]  [<ffffffff805f7c53>] dev_watchdog+0x203/0x210

2011/06/22 09:39:51     kernel:[  253.012575]  [<ffffffff8022bf43>] __wake_up+0x43/0x70

2011/06/22 09:39:51     kernel:[  253.012577]  [<ffffffff805f7a50>] dev_watchdog+0x0/0x210

2011/06/22 09:39:51     kernel:[  253.012580]  [<ffffffff8023e92f>] run_timer_softirq+0x15f/0x1c0

2011/06/22 09:39:51     kernel:[  253.012583]  [<ffffffff8023a2d3>] __do_softirq+0x73/0xf0

2011/06/22 09:39:51     kernel:[  253.012585]  [<ffffffff8020d41c>] call_softirq+0x1c/0x30

2011/06/22 09:39:51     kernel:[  253.012588]  [<ffffffff8020ec35>] do_softirq+0x35/0x70

2011/06/22 09:39:51     kernel:[  253.012590]  [<ffffffff8023a259>] irq_exit+0x89/0x90

2011/06/22 09:39:51     kernel:[  253.012593]  [<ffffffff8021b7c0>] smp_apic_timer_interrupt+0x80/0xc0

2011/06/22 09:39:51     kernel:[  253.012595]  [<ffffffff8020cef6>] apic_timer_interrupt+0x66/0x70

2011/06/22 09:39:51     kernel:[  253.012597]  <EOI>  [<ffffffff80212e51>] mwait_idle+0x41/0x50

2011/06/22 09:39:51     kernel:[  253.012601]  [<ffffffff8020ad74>] cpu_idle+0x44/0x70