netdev - Re: [PATCH] ipv4: properly update pmtu

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Date:	Wed, 22 Aug 2012 12:21:13 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Sylvain Munaut <s.munaut@...tever-company.com>
Cc:	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>, Julian Anastasov <ja@....bg>
Subject: Re: [PATCH] ipv4: properly update pmtu

On Wed, 2012-08-22 at 12:16 +0200, Sylvain Munaut wrote:
> Hi,
> 
> > From: Eric Dumazet <edumazet@...gle.com>
> 
> > ip_rt_update_pmtu() calls dst_set_expires() to rearm a new expiration,
> > but dst_set_expires() does nothing because dst.expires is already set.
> >
> > It seems we want to set the expires field to a new value, regardless
> > of prior one.
> >
> > With help from Julian Anastasov.
> >
> > Reported-by: Sylvain Munaut <s.munaut@...tever-company.com>
> > Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> > CC: Julian Anastasov <ja@....bg>
> 
> Tested-by: Sylvain Munaut <s.munaut@...tever-company.com>
> 
> I confirm this corrects the issue for me. I tested this on 3 machines
> with 2 different hw config that all previously exhibited the issue
> short after boot and now they've been running with this version of the
> patch for hours without problems.
> 
> @Eric: Thanks for looking into this.

Thans Sylvain for being an early tester of bleeding edge kernel !


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