Created attachment 564063 [details]
Dmesg output

Description of problem:

[   24.675576] MCE: In-kernel MCE decoding enabled.
[   24.675689] 
[   24.675799] ===============================
[   24.675842] [ INFO: suspicious RCU usage. ]
[   24.675886] 3.3.0-0.rc3.git5.1.fc17.x86_64 #1 Not tainted
[   24.675930] -------------------------------
[   24.675974] arch/x86/kernel/cpu/mcheck/mce.c:194 suspicious rcu_dereference_index_check() usage!
[   24.676032] 
[   24.676033] other info that might help us debug this:
[   24.676034] 
[   24.676152] 
[   24.676153] rcu_scheduler_active = 1, debug_locks = 0
[   24.676235] no locks held by udevd/384.
[   24.676276] 
[   24.676277] stack backtrace:
[   24.676402] Pid: 384, comm: udevd Not tainted 3.3.0-0.rc3.git5.1.fc17.x86_64 #1
[   24.676529] Call Trace:
[   24.676601]  [<ffffffff810c8f35>] lockdep_rcu_suspicious+0xe5/0x100
[   24.676673]  [<ffffffffa013c000>] ? 0xffffffffa013bfff
[   24.676742]  [<ffffffff81031080>] mce_register_decode_chain+0x1c0/0x1e0
[   24.676812]  [<ffffffffa013c000>] ? 0xffffffffa013bfff
[   24.676881]  [<ffffffffa013c176>] mce_amd_init+0x176/0x1000 [edac_mce_amd]
[   24.676953]  [<ffffffff8100212a>] do_one_initcall+0x12a/0x180
[   24.677030]  [<ffffffff810daf06>] sys_init_module+0x1146/0x2260
[   24.677101]  [<ffffffff816a6c29>] system_call_fastpath+0x16/0x1b


Version-Release number of selected component (if applicable):

kernel-3.3.0-0.rc3.git5.1.fc17.x86_64

How reproducible:

Always

Steps to Reproduce:
1. Boot
2. Run dmesg
3.
  
Actual results:

The aboce

Expected results:

No suspicious activity of anykind 
Additional info: