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

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From: Vitalii Demianets <vitas@xxxxxxxxxxxxxxxxx>
Date: Fri, 25 Nov 2011 12:16:37 +0200

> 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 <vitas@xxxxxxxxxxxxxxxxx>

Stephen, please review this patch, thanks.
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