[Pdns-users] tcp listener issue - hopefully fixed
Brad.Dameron at clearwire.com
Sun Aug 29 21:17:01 UTC 2010
> -----Original Message-----
> From: pdns-users-bounces at mailman.powerdns.com [mailto:pdns-users-
> bounces at mailman.powerdns.com] On Behalf Of bert hubert
> Sent: Sunday, August 29, 2010 11:31 AM
> To: Mike
> Cc: Brad Dameron; pdns-users at mailman.powerdns.com
> Subject: Re: [Pdns-users] tcp listener issue - hopefully fixed
> On Sun, Aug 29, 2010 at 04:56:14PM +0200, bert hubert wrote:
> > We've fixed yet another bug that might be causing the issue, and we
> > currently testing that.
> > This drop can be found on
> > http://svn.powerdns.com/snapshots/pdns-recursor-3.3-pre.tar.bz2
> Our testing shows that the problem disappeared! Many thanks to
> If this was the final problem, this also explains why only some people
> seeing it. There are hardware platforms that are highly immune to this
> (Michel Stol measured this), but we've seen an Openvirtuozo hosted
> being very vulnerable to it.
> On my own testing hardware, the problem was relatively rare.
> For the people who care, the root cause appeared to be doing non-atomic
> updates to the TCP client count.
> The release process for 3.3 can now start - only 1 feature request left
Good to hear Bert. I'll run it through the ringer on Monday and see if we can reproduce the problem. Cross fingers that it is fixed.
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