Re: [PATCH] watchdog: reduce "NMI watchdog enabled, takes onehw-pmu counter." messages

From: Nathan Zimmer
Date: Thu Jun 07 2012 - 13:14:30 EST


On Wed, Jun 06, 2012 at 05:15:23PM -0400, Don Zickus wrote:
> On Wed, Jun 06, 2012 at 01:09:46PM -0500, Nathan Zimmer wrote:
> > watchdog: reduces some noise on a large system
> > The printk buffer can be flooded with with redundant
> > "NMI watchdog enabled, takes one hw-pmu counter." messages.
> > It doesn't add any value beyond the first.
> >
> > Note the message needs logged a second time if the watchdog was disabled then
> > reenabled.
>
> Hi Nathan,
>
> Thanks for the patch. I added something similar to RHEL-6 a while ago
> that solved the same problem in a more robust way (I think). IOW, I dealt
> with the watchdog failures too (for virt and bios issues).
>
> It doesn't cover the nmi_disable case like your patch does, but is easy to
> add.
>
> I attached it below. Let me know if this meets your needs or not?
>
> Cheers,
> Don

Yes it does seem to meet my needs quite well.

Thanks,
Nate
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