On Sun, Apr 29, 2018 at 08:30:28PM +0200, 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?
An error it seems:
if (offset + sizeof(u_short) > m->m_len) {
printf("%s: delayed m_pullup, m->len: %d plen %u off %u "
"csum_flags=%b\n", __func__, m->m_len, plen, offset,
(int)m->m_pkthdr.csum_flags, CSUM_BITS);
/*
* XXX this should not happen, but if it does, the correct
* behavior may be to insert the checksum in the appropriate
* next mbuf in the chain.
*/
return;
}
> I did not have this message on my older system (r331859).
What network hardware are you using?
Do you have a heavy ipv6 workload that might be a source?
- [tj]
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