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Date:      Fri, 12 Dec 2008 12:17:01 -0800
From:      Andrew Thompson <thompsa@FreeBSD.org>
To:        Damian Gerow <dgerow@afflictions.org>
Cc:        freebsd-current@freebsd.org
Subject:   Re: Panic when destroying interfaces (kern/116837?)
Message-ID:  <20081212201701.GA9491@citylink.fud.org.nz>
In-Reply-To: <20081212200838.GA44353@plebeian.afflictions.org>
References:  <20081212054137.GA42087@plebeian.afflictions.org> <20081212200838.GA44353@plebeian.afflictions.org>

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On Fri, Dec 12, 2008 at 03:08:38PM -0500, Damian Gerow wrote:
> When investigating panics when destroying bridge(4) and tap(4) interfaces,
> I'm receiving a panic suspiciously similar to what I was seeing with ural(4)
> and wpa_supplicant(8).
> 
> (It's likely that I'm seeing two separate issues with ural(4), but only
> investigated the one triggered when removing one of the devices.)
> 
> Looking at the panic I receive with ural:
> 
> : -----
> : panic: _rw_rlock (radix node head): wlock already held @ /repo/freebsd/8-CURRENT/src/sys/net/route.c: 291
> : -----
> 
> I see exactly the same message when destroying bridge(4) and tap(4) virtual
> interfaces:
> 
> -----
> # kldload if_bridge
> # ifconfig bridge0 create
> bridge0: Ethernet address: e6:02:10:1c:bc:22
> # ifconfig bridge0 destroy
> 
> panic: _rw_rlock (radix node head): wlock already held @ /repo/freebsd/8-CURRENT/src/sys/net/route.c: 291
> -----
 
This is now fixed, just update.


Andrew



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