Subject: Re: WARNING at local_bh_enable while tcp_retransmit

From: Jarek Poplawski <[email-masked]>
Date: Wed, 08 Dec 2010 21:20:31 +0100

Ilya Loginov wrote:
> On Tue, 07 Dec 2010 21:56:19 +0100
> Jarek Poplawski <[email-masked]> 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.