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From: Stephen Hemminger <shemminger@vyatta.com>
To: Willy Tarreau <w@1wt.eu>
Cc: jbohac@suse.cz, yoshfuji@linux-ipv6.org, netdev@vger.kernel.org,
	stable@kernel.org, stephen.hemminger@vyatta.com,
	ebiederm@xmission.com, brian.haley@hp.com, lorenzo@google.com,
	David Miller <davem@davemloft.net>,
	maheshkelkar@gmail.com
Subject: Re: [stable] [RFC] ipv6: don't flush routes when setting loopback down
Date: Sun, 23 Jan 2011 20:21:14 +1100	[thread overview]
Message-ID: <20110123202114.6e41ec58@s6510> (raw)
In-Reply-To: <20110123091531.GQ12837@1wt.eu>

On Sun, 23 Jan 2011 10:15:32 +0100
Willy Tarreau <w@1wt.eu> wrote:

> [ first, is there a reason we have stable@ CCed on this thread ? ]
> 
> On Sun, Jan 23, 2011 at 07:26:24PM +1100, Stephen Hemminger wrote:
> > > You are probably so upset because I stepped on code you worked hard
> > > on. But the IPv6 semantics should not have been different from IPv4
> > > and the disable_ipv6 flag was a poor API choice as well. Legacy
> > > API's suck, I don't expect perfection but it should be possible
> > > to make a working version that:
> > > 
> > > Allows disabling IPv6 completely on an interface
> > > AND Has the same address and route semantics for both
> > > IPv4 and IPv6.
> > 
> > Also for application sanity, Linux should behave the same as BSD
> 
> Stephen,
> 
> while I agree with all the points you made, David is right in that we
> can't use a fix for a bug as a justification for breaking something
> that worked for other people. It simply means that everything that was
> merged since the first regression was introduced should be reverted
> and reworked until a more satisfying solution is found.
> 
> Otherwise users lose trust and you have to deal with much more cases
> when users report issues.
> 
> If the bug is caused by a deep design issue, then maybe a development
> branch should be dedicated to it so that the persons affected by it

I made my attempt at fixing the issue, others can attack that mud pit.



  reply	other threads:[~2011-01-23  9:21 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-06  0:24 echo > 0 .../disable_ipv6 broken in 2.6.37-rc4 Eric W. Biederman
2010-12-06  0:33 ` Lorenzo Colitti
2010-12-06  0:39   ` Eric W. Biederman
2010-12-06  5:51     ` Eric W. Biederman
2010-12-06 16:10 ` Brian Haley
2010-12-08 21:29   ` Eric W. Biederman
2010-12-08 22:49     ` Brian Haley
2010-12-08 23:13       ` Eric W. Biederman
2010-12-08 23:49         ` Stephen Hemminger
2010-12-09  2:42           ` Eric W. Biederman
2010-12-09  3:18             ` Eric W. Biederman
2010-12-09  4:16               ` [PATCH] Fix 2.6.34-rc1 regression in disable_ipv6 support Eric W. Biederman
2010-12-09 15:28                 ` Brian Haley
2010-12-09 16:27                   ` Stephen Hemminger
2010-12-09 19:22                     ` Eric W. Biederman
2010-12-09 19:09                   ` Eric W. Biederman
2010-12-09 19:16                     ` Stephen Hemminger
2010-12-09 19:31                       ` Eric W. Biederman
2010-12-09 20:20                         ` David Miller
2010-12-09 20:20                       ` David Miller
2010-12-09 22:51                         ` Stephen Hemminger
2010-12-16 21:28                         ` [RFC] ipv6: don't flush routes when setting loopback down Stephen Hemminger
2010-12-16 23:17                           ` Eric W. Biederman
2010-12-17  1:18                           ` Eric W. Biederman
2010-12-17  2:26                             ` David Miller
2011-01-19 19:18                               ` Jiri Bohac
2011-01-19 19:38                                 ` Stephen Hemminger
2011-01-19 19:56                                   ` Jiri Bohac
2011-01-19 20:01                                     ` Stephen Hemminger
2011-01-22  8:17                                       ` Eric W. Biederman
2011-01-22 22:39                                         ` Stephen Hemminger
2011-01-22 22:54                                           ` David Miller
2011-01-23  4:41                                             ` Stephen Hemminger
2011-01-23  5:42                                               ` David Miller
2011-01-23  8:24                                                 ` Stephen Hemminger
2011-01-23  8:26                                                   ` Stephen Hemminger
2011-01-23  9:15                                                     ` [stable] " Willy Tarreau
2011-01-23  9:21                                                       ` Stephen Hemminger [this message]
2011-01-23 10:34                                                       ` Stephen Hemminger
2011-01-23 19:21                                                         ` Eric W. Biederman
2011-01-23 19:57                                                           ` [stable] " David Miller
2011-01-23 19:48                                                     ` David Miller
2011-01-23 19:47                                                   ` David Miller
2010-12-10  4:02                   ` [PATCH] Fix 2.6.34-rc1 regression in disable_ipv6 support Stephen Hemminger

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