linux-kernel - Re: [PATCH] 2.6.19-rc4 - netlink messages created with bad flags in soft

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Date:	Tue, 31 Oct 2006 22:00:47 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	andy@...yhouse.net
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] 2.6.19-rc4 - netlink messages created with bad flags
 in soft_irq context

From: Andy Gospodarek <andy@...yhouse.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.
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