Am 04.10.2011 17:54, schrieb Florian Philipp:
> Am 03.10.2011 12:50, schrieb carlopmart:
>> Hi all,
>>
>>  I have installed two SL6.1 (fully patched) hosts with cman+rgmanager
>> suite for HA services. When both nodes starts, this error is displayed:
>>
>>  "NOHZ: local_softirq_pending 08"
>>
>>  What does it means?? I have another pair of RHEL6.1 hosts with
>> cman+rgmanager and this error doesn't appears ...
>>
>>  All hosts are installed under ESXi 5.
>>
>>  Thanks
>>
> 
> I've traced the piece of kernel code which causes this warning through
> various revisions. It seems to be an old unresolved kernel bug triggered
> on various machines.
> 
> Originally it was introduced as a bug assertion in [1]. Then it became a
> warning in [2] in order to provide better debugging. Finally, in [3] it
> was rate limited to stop it from filling up the kernel logs.
> 
> I suggest you either look for discussions of this bug on the linux
> kernel mailing list or contact Thomas Gleixner (who provided these
> patches) directly. His email address is listed in those commits.
> 
> [1]
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=79bf2bb335b85db25d27421c798595a2fa2a0e82
> 
> [2]
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=bc5393a6c9c0e70b4b43fb2fb63e3315e9a15c8f
> 
> [3]
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=352823160613b65fdaa558be486720a71f75ed86
> 
> Regards,
> Florian Philipp
> 

FWIW, check out this discussion and patch. It seems it was never applied
to the main sources.
https://lkml.org/lkml/2007/5/22/35

Regards,
Florian Philipp