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Date: Tue, 31 Oct 2006 22:00:47 -0800 (PST)
Message-Id: <20061031.220047.08324824.davem@davemloft.net>
To: andy@greyhouse.net
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH] 2.6.19-rc4 - netlink messages created with bad flags
 in soft_irq context
From: David Miller <davem@davemloft.net>
In-Reply-To: <20061031220559.GA10119@gospo.rdu.redhat.com>
References: <20061031220559.GA10119@gospo.rdu.redhat.com>
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From: Andy Gospodarek <andy@greyhouse.net>
Date: Tue, 31 Oct 2006 17:06:00 -0500

> I've got a kernel built where 
> 
> CONFIG_DEBUG_SPINLOCK_SLEEP=y
> 
> is in the config and I've noticed some interesting behavior when
> bringing up bonds in balance-alb mode.  When I start to enslave devices
> to a bond I get the following in the ring buffer:
> 
> BUG: sleeping function called from invalid context at mm/slab.c:3007
> in_atomic():1, irqs_disabled():0

As Herbert mentioned, the bonding layer calls into the networking
in atomic contexts when that is illegal.