Date: Sun, 6 Feb 2005 05:33:46 +1100
To: "YOSHIFUJI Hideaki / ?$B5HF#1QL@" <yoshfuji@linux-ipv6.org>
Cc: andre@tomt.net, davem@davemloft.net,
       mirko.parthey@informatik.tu-chemnitz.de, linux-kernel@vger.kernel.org,
       netdev@oss.sgi.com, shemminger@osdl.org
Subject: Re: PROBLEM: 2.6.11-rc2 hangs on bridge shutdown (br0)
Message-ID: <20050205183346.GB11716@gondor.apana.org.au>
References: <20050204213813.4bd642ad.davem@davemloft.net> <20050205061110.GA18275@gondor.apana.org.au> <4204AA7C.9010509@tomt.net> <20050205.203900.66065862.yoshfuji@linux-ipv6.org>
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From: Herbert Xu <herbert@gondor.apana.org.au>
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On Sat, Feb 05, 2005 at 08:39:00PM +0900, YOSHIFUJI Hideaki / ?$B5HF#1QL@ wrote:
> 
> I think "Make loopback idev stick around" patches
> (for IPv4 and IPv6) could be start of that.

Unfortunately that patch can't fix this particular problem.  This
problem will show up whenever there is a dst on the GC list that
has split devices and a non-zero refcnt.

So if you had a process holding that dst you can still get a dead-lock.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
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