Re: [rfc] suppress excessive AER output

From: Dave Jones
Date: Thu Aug 04 2011 - 21:51:03 EST


On Thu, Aug 04, 2011 at 02:45:01PM +0800, huang ying wrote:
> On Thu, Aug 4, 2011 at 6:34 AM, Dave Jones <davej@xxxxxxxxxx> wrote:
> > I have a machine that has developed some kind of problem with
> > its onboard ethernet.  It still boots, but spewed almost 1.5G of text
> > (2381585 instances of the warning below) before we realised what
> > was going on, and blacklisted the igb driver.
> >
> > Is it worth logging every single error when we're flooding like this ?
> > It seems unlikely that we'll find useful information in amongst that much data
> > that wasn't already in the first 100 instances.
> >
> > I picked 100 in the (untested) example patch below arbitarily, but the exact
> > value could be smaller, or slightly bigger..
> >
> > could we do something like this maybe ?
>
> Why not use __ratelimit to implement this feature?

that would be better than the current situation probably, but my gut feeling is
that there's still going to be a lot of spew.

Dave

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