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From: ebiederm@xmission•com (Eric W. Biederman)
To: Jay Vosburgh <fubar@us•ibm.com>
Cc: David Miller <davem@davemloft•net>, netdev@vger•kernel.org
Subject: Re: [PATCH 0/6] Bonding simplifications and netns support
Date: Fri, 30 Oct 2009 18:06:00 -0700	[thread overview]
Message-ID: <m1ljisid8n.fsf@fess.ebiederm.org> (raw)
In-Reply-To: <32609.1256947853@death.nxdomain.ibm.com> (Jay Vosburgh's message of "Fri\, 30 Oct 2009 17\:10\:53 -0700")

Jay Vosburgh <fubar@us•ibm.com> writes:

> 	No, to both questions.  Also, if I back out the 7 bonding
> patches, the same insmod / rmmod does not panic.  
>
> 	I just set it up and did it again.  Fresh boot of the system
> (which doesn't load bonding); "insmod drivers/net/bonding/bonding.ko;
> rmmod bonding" and blammo.
>
> 	A little bisect action reveals that the problem first appears
> after applying the fifth patch (below).  Does a basic insmod / rmmod
> cycle work ok for you?  I'm specifying no options to bonding.

It works here.  The only issue I found was that veth wasn't quite
working.   I am wondering if there was some version of the tree
where rtnl_link_unregister is broken and you applied the patches to that.

I tested the net-next tree with my patches at the top:

There are some other differences like I am running a 64bit kernel but
I don't expect that would make a difference in practice.

Eric

commit 6639104bd826e0b1388c69a6b7564fffc636c8a8
Author: Eric W. Biederman <ebiederm@xmission•com>
Date:   Thu Oct 29 23:58:54 2009 +0000

    bond: Get the rtnl_link_ops support correct
    
    - Don't call rtnl_link_unregister if rtnl_link_register fails
    - Set .priv_size so we aren't stomping on uninitialized memory
      when we use netdev_priv, on bond devices created with
      ip link add type bond.
    
    Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks•com>
    Signed-off-by: David S. Miller <davem@davemloft•net>


  reply	other threads:[~2009-10-31  1:05 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-30  0:16 [PATCH 0/6] Bonding simplifications and netns support Eric W. Biederman
2009-10-30  0:18 ` [PATCH 1/6] net: Allow devices to specify a device specific sysfs group Eric W. Biederman
2009-10-30  0:18 ` [PATCH 2/6] bond: Simply bond sysfs group creation Eric W. Biederman
2009-10-30  0:18 ` [PATCH 3/6] bond: Simplify bond_create Eric W. Biederman
2009-10-30  0:18 ` [PATCH 4/6] bond: Simplify bond device destruction Eric W. Biederman
2009-10-30  0:18 ` [PATCH 5/6] bond: Implement a basic set of rtnl link ops Eric W. Biederman
2009-10-30  8:06   ` Patrick McHardy
2009-10-30  8:29   ` Patrick McHardy
2009-10-30  9:23     ` Eric W. Biederman
2009-10-30  9:33       ` Patrick McHardy
2009-10-30  9:58         ` [PATCH 7/6] bond: Get the rtnl_link_ops support correct Eric W. Biederman
2009-10-30 10:00         ` [PATCH 5/6] bond: Implement a basic set of rtnl link ops Eric W. Biederman
2009-10-30 10:08           ` Patrick McHardy
2009-10-30  0:18 ` [PATCH 6/6] bond: Add support for multiple network namespaces Eric W. Biederman
2009-10-30  6:25 ` [PATCH 0/6] Bonding simplifications and netns support David Miller
2009-10-30  6:38   ` Eric Dumazet
2009-10-30  6:40     ` David Miller
2009-10-30  7:50   ` Eric W. Biederman
2009-10-30 10:39     ` Eric W. Biederman
2009-10-30 19:41 ` David Miller
2009-10-30 21:12   ` Jay Vosburgh
2009-10-30 22:57     ` Eric W. Biederman
2009-10-31  0:10       ` Jay Vosburgh
2009-10-31  1:06         ` Eric W. Biederman [this message]
2009-10-31  1:45           ` Jay Vosburgh
2009-10-31  0:27     ` Eric W. Biederman

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