netdev - Re: Regression in current git - Network Manager fails (bisected)

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Date:	Tue, 23 Oct 2007 10:10:18 -0400
From:	Dan Williams <dcbw@...hat.com>
To:	Thomas Graf <tgraf@...g.ch>
Cc:	"Denis V. Lunev" <den@...ru>, netdev@...r.kernel.org,
	"Denis V. Lunev" <den@...nvz.org>,
	"David S. Miller" <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>
Subject: Re: Regression in current git - Network Manager fails (bisected)

On Tue, 2007-10-23 at 15:38 +0200, Thomas Graf wrote:
> * Denis V. Lunev <den@...ru> 2007-10-23 17:09
> > I have reproduced the problem with one-line test.
> >     ./nl-route-get 192.168.1.1
> > The problem is with this message:
> > 
> > -- Debug: Sent Message:
> > --------------------------   BEGIN NETLINK MESSAGE 
> > ---------------------------
> >   [HEADER] 16 octets
> >     .nlmsg_len = 20
> >     .nlmsg_type = 18 <route/link>
> >     .nlmsg_flags = 773 <REQUEST,ACK,ROOT,MATCH>
> >     .nlmsg_seq = 1193143772
> >     .nlmsg_pid = 8233
> >   [PAYLOAD] 16 octets
> >     00 1d fa 20 00 00 00 00 81 0e 02 00 00 00 00 00       ... ............
> > ---------------------------  END NETLINK MESSAGE 
> > ---------------------------
> > it starts dump and requests ACK.
> 
> libnl sets the ACK bit for all requests unless the application
> disables this behaviour.

Should I make NM disable ACKs for now until it gets fixed?

Dan


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