Subject: Re: [PATCH] bridge: master device stuck in no-carrier state forever when in user-stp mode

From: Stephen Hemminger <[email-masked]>
Date: Thu, 1 Dec 2011 10:44:09 -0800

On Fri, 25 Nov 2011 12:16:37 +0200
Vitalii Demianets <[email-masked]> wrote:

> When in user-stp mode, bridge master do not follow state of its slaves, so 
> after the following sequence of events it can stuck forever in no-carrier 
> state:
> 1) turn stp off
> 2) put all slaves down - master device will follow their state and also go in 
> no-carrier state
> 3) turn stp on with bridge-stp script returning 0 (go to the user-stp mode)
> Now bridge master won't follow slaves' state and will never reach running 
> state.
> 
> This patch solves the problem by making user-stp and kernel-stp behavior 
> similar regarding master following slaves' states.
> 
> Signed-off-by: Vitalii Demianets <[email-masked]>

This method works fine. David please apply to -net.

Acked-by: Stephen Hemminger <[email-masked]>