netdev - Re: WARNING at local_bh_enable while tcp

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Message-ID: <4CFFE88F.3060200@gmail.com>
Date:	Wed, 08 Dec 2010 21:20:31 +0100
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Ilya Loginov <isloginov@...il.com>
CC:	netdev@...r.kernel.org, davem@...emloft.net
Subject: Re: WARNING at local_bh_enable while tcp_retransmit

Ilya Loginov wrote:
> On Tue, 07 Dec 2010 21:56:19 +0100
> Jarek Poplawski <jarkao2@...il.com> wrote:
> 
>> Hi, isn't any of your drivers disabling irqs on this path?
> 
> No. But we are in soft_irq because tcp_retransmit. So, may be,
> interrupts were really disabled.

Should be easy to check by copying this WARN_ON_ONCE from 
kernel/softirq.c:143 local_bh_enable to the beginning of
your rioth_start_xmit.

Jarek P.
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