linux-kernel - Re: [PATCH] skge: resolve tx multiqueue bug

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Date:	Thu, 24 Jul 2008 08:18:53 +0200
From:	Markus Trippelsdorf <markus@...ppelsdorf.de>
To:	David Miller <davem@...emloft.net>
Cc:	wangchen@...fujitsu.com, ag@...ssandroguido.name,
	linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] skge: resolve tx multiqueue bug

On Wed, Jul 23, 2008 at 03:30:00PM -0700, David Miller wrote:
> From: Wang Chen <wangchen@...fujitsu.com>
> Date: Wed, 23 Jul 2008 23:21:14 +0800
> 
> > Markus Trippelsdorf said the following on 2008-7-23 22:03:
> > > On Wed, Jul 23, 2008 at 12:18:27PM +0200, Markus Trippelsdorf wrote:
> > >> On Wed, Jul 23, 2008 at 04:50:13PM +0800, Wang Chen wrote:
> > >>> Markus Trippelsdorf said the following on 2008-7-23 13:40:
> > >>>> On Tue, Jul 22, 2008 at 11:54:26AM +0200, Alessandro Guido wrote:
> > >>>>> Got a WARNING this morning (2.6.26-05752-g93ded9b) and I think it's related.
> > >>>> Same thing here (latest git):
> > >>>>
> > >>>> skge eth1: enabling interface
> > >>>> skge eth1: disabling interface
> > >>>> ------------[ cut here ]------------
> > >>>> WARNING: at net/core/dev.c:1344 __netif_schedule+0x24/0x6d()
> > >>>> Pid: 1904, comm: ip Not tainted 2.6.26-06077-gc010b2f #33
> > >>>>  [<ffffffff8020b3eb>] system_call_after_swapgs+0x7b/0x80
> > >> ...
> > >>>> ---[ end trace 92936ef183e09876 ]---
> > >>>> skge eth1: enabling interface
> > >>>> skge eth1: Link is up at 100 Mbps, full duplex, flow control both
> > >>>>
> > >>> Markus, please try this.
> > >>>
> > >>> - Add netif_start_queue() in ->open()
> > >>> - netif_carrier_*() is enough, remove netif_*_queue()
> > >> Unfortunately, your patch does not fix this. I still get the same warning.
> > >>
> > > 
> > > This patch works for me:
> > 
> > Your patch works for me too. So I think it's better than mine. :)
> > 
> > Tested-by: Wang Chen <wangchen@...fujitsu.com>
> > 
> > Dave, since Markus and me tested this patch, would you please apply it?
> 
> I can't, it's whitespace damaged.  All the tabs are turned into spaces,
> also there is no signoff from Markus.

Sorry, here is a correct version:

- Add netif_start_queue() in ->open()
- netif_carrier_*() is enough, remove netif_*_queue()

Signed-off-by: Markus Trippelsdorf <markus@...ppelsdorf.de>
Tested-by: Wang Chen <wangchen@...fujitsu.com> 

-- 
Markus

View attachment "patch_skge.patch" of type "text/plain" (1616 bytes)