kernel: in6_delayed_cksum: delayed m_pullup

[Dries Michiels]

> -----Original Message-----
> From: Dries Michiels <driesm.michiels at gmail.com>
> Sent: donderdag 10 mei 2018 16:58
> To: 'Andrey V. Elsukov' <bu7cher at yandex.ru>; freebsd-net at freebsd.org
> Subject: RE: kernel: in6_delayed_cksum: delayed m_pullup
> 
> > -----Original Message-----
> > From: Andrey V. Elsukov <bu7cher at yandex.ru>
> > Sent: donderdag 10 mei 2018 16:34
> > To: Dries Michiels <driesm.michiels at gmail.com>;
> > freebsd-net at freebsd.org
> > Subject: Re: kernel: in6_delayed_cksum: delayed m_pullup
> >
> > On 10.05.2018 17:25, Andrey V. Elsukov wrote:
> > > On 29.04.2018 21:30, Dries Michiels wrote:
> > >> Dear mailing list,
> > >>
> > >> After upgrading my FreeBSD server from source from:
> > >> FreeBSD 11.1-STABLE (VADOS) #9 r331859: Sun Apr  1 12:09:18 CEST
> > >> 2018 to FreeBSD 11.2-PRERELEASE (VADOS) #10 r333091: Sun Apr 29
> > >> 16:48:44 CEST 2018
> > >>
> > >> My /var/log/messages is getting spammed by the following
> notice/error:
> > >> Apr 29 19:51:42 vados kernel: in6_delayed_cksum: delayed m_pullup,
> > >> m->len: 48 plen 68 off 56 csum_flags=400<CSUM_IP6_TCP> Apr 29
> > >> 19:55:34 vados last message repeated 11 times Apr 29 20:11:56 vados
> > >> last message repeated 10 times Apr 29 20:12:42 vados last message
> > >> repeated 4 times
> > >>
> > >> Does anyone have a clue what this indicates?
> > >> I did not have this message on my older system (r331859).
> > >
> > > Do you use pf(4) or ipsec(4)?
> 
> I use IPFW as firewall. Due to log file spamming I had disabled ipv6.
> I will enable it again and check if error message is still present.
> If so I will try the patch you provided. Thanks in advance!
> > Also, can you try this patch?
> >
> > --
> > WBR, Andrey V. Elsukov

Ok error has returned:
May 10 17:31:39 vados kernel: in6_delayed_cksum: delayed m_pullup, m->len: 48 plen 68 off 56 csum_flags=400<CSUM_IP6_TCP>
May 10 17:31:53 vados last message repeated 3 times

I'll apply the patch and rebuild from source to give an update later.

Dries
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