From: Stephen Hemminger <shemminger@vyatta.com>
To: Vitalii Demianets <vitas@nppfactor.kiev.ua>
Cc: netdev@vger.kernel.org, bridge@lists.linux-foundation.org
Subject: Re: [PATCH] bridge: master device stuck in no-carrier state forever when in user-stp mode
Date: Thu, 1 Dec 2011 10:44:09 -0800 [thread overview]
Message-ID: <20111201104409.2d04ca06@nehalam.linuxnetplumber.net> (raw)
In-Reply-To: <201111251216.37466.vitas@nppfactor.kiev.ua>
On Fri, 25 Nov 2011 12:16:37 +0200
Vitalii Demianets <vitas@nppfactor.kiev.ua> 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 <vitas@nppfactor.kiev.ua>
This method works fine. David please apply to -net.
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
next prev parent reply other threads:[~2011-12-01 18:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-25 10:16 [PATCH] bridge: master device stuck in no-carrier state forever when in user-stp mode Vitalii Demianets
2011-11-29 23:54 ` David Miller
2011-11-30 0:06 ` Stephen Hemminger
2011-12-01 18:44 ` Stephen Hemminger [this message]
2011-12-01 19:05 ` David Miller
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