netdev - Re: netxen_nic: unregister

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Date:	Tue, 31 May 2011 11:48:46 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	WeipingPan <panweiping3@...il.com>
Cc:	"open list:NETWORKING [GENERAL]" <netdev@...r.kernel.org>
Subject: Re: netxen_nic: unregister_netdevice error

Le mardi 31 mai 2011 à 17:21 +0800, WeipingPan a écrit :
> On 05/31/2011 02:15 PM, WeipingPan wrote:
> > hi,
> >
> > When test bonding broadcast mode I met a problem.
> > modprobe -r bonding will fail after I ping broadcast address.
> >
> > I find that the problem only shows up when I use netxen_nic driver.
> > When use ixgbe and bn2x2 driver, no problem occurs.
> >
> > I use RHEL 6.2, kernel 2.6.32-131.0.15.el6.i686,
> > Can anybody confirm this bug using 2.6.39 or upstream ?
> >
> > many thanks
> > Weiping Pan
> >
> I got a machine to test the 
> upstream,55922c9d1b84b89cb946c777fddccb3247e7df2c
> the problem disappears.
> 
> many thanks
> Weiping Pan

Might be solved by commit fc75fc8339e772716744 or 

commit 332dd96f7ac15e937088fe11f15c (net/dst: dst_dev_event() called
after other notifiers) and commit ef885afbf8a37689 ((net: use
rcu_barrier() inrollback_registered_many)





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