On Sat, 2012-07-28 at 17:06 +0200, Philipp Kern wrote:
> ip6_xmit checks if the outgoing packet is larger than the path MTU and
> emits ICMPv6 packet too big locally if this is the case. Logging this,
> even at KERN_DEBUG, confuses users. It is also not actually helpful for
> debugging, given that there is no reference to the connection that
> triggered this event.
[]
> diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
[]
> @@ -241,7 +241,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct
> flowi6 *fl6,
> dst->dev, dst_output);
> }
>
> - net_dbg_ratelimited("IPv6: sending pkt_too_big to self\n");
> + LIMIT_NETDEBUG("IPv6: sending pkt_too_big to self\n");
LIMIT_NETDEBUG doesn't include a logging level.
Add a KERN_DEBUG prefix or another KERN_<LEVEL>.
Maybe it'd be better to add the context too.
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