netdev - Re: [PATCH] devinet: show all addresses assigned to interface

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Message-ID: <20070906161100.GW18480@postel.suug.ch>
Date:	Thu, 6 Sep 2007 18:11:00 +0200
From:	Thomas Graf <tgraf@...g.ch>
To:	Stephen Hemminger <shemminger@...ux-foundation.org>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH] devinet: show all addresses assigned to interface

* Stephen Hemminger <shemminger@...ux-foundation.org> 2007-09-06 16:10
> Bug: http://bugzilla.kernel.org/show_bug.cgi?id=8876
> 
> Not all ips are shown by "ip addr show" command when IPs number assigned to an
> interface is more than 60-80 (in fact it depends on broadcast/label etc
> presence on each address).

The more attributes are assigned to an address, the sooner the netlink
message will be full.

> Steps to reproduce:
> It's terribly simple to reproduce:
> 
> # for i in $(seq 1 100); do ip ad add 10.0.$i.1/24 dev eth10 ; done
> # ip addr show
> 
> this will _not_ show all IPs.
> Looks like the problem is in netlink/ipv4 message processing.
> 
> This is fix from bug submitter, it looks correct.

The fix is correct.
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