From: Julien Grall <julien.grall@citrix•com>
To: Florian Westphal <fw@strlen•de>
Cc: Wei Liu <wei.liu2@citrix•com>,
Ian Campbell <ian.campbell@citrix•com>, <netdev@vger•kernel.org>,
<bridge@lists•linux-foundation.org>, <stephen@networkplumber•org>,
<bernhard.thaler@wvnet•at>,
xen-devel <xen-devel@lists•xenproject.org>, <pablo@netfilter•org>,
David Vrabel <david.vrabel@citrix•com>
Subject: Re: [Xen-devel] Unable to unregister netdevice after "netfilter: bridge: forward IPv6 fragmented packets"
Date: Tue, 30 Jun 2015 11:33:57 +0100 [thread overview]
Message-ID: <55927095.1060607@citrix.com> (raw)
In-Reply-To: <20150629185525.GF2324@breakpoint.cc>
Hi Florian,
On 29/06/15 19:55, Florian Westphal wrote:
> Julien Grall <julien.grall@citrix•com> wrote:
>> I tried to run the latest Linux tree
>> (4a10a91756ef381bced7b88cfb9232f660b92d93) as DOM0 Xen.
>> After destroying a guest using network, I got the following
>> lines in the DOM0 kernel log:
>>
>> unregister_netdevice: waiting for vif1.0 to become free. Usage count = 1
>>
>> The bisector pointed the problem after the commit
>> efb6de9b4ba0092b2c55f6a52d16294a8a698edd
>> "netfilter: bridge: forward IPv6 fragmented packets".
>
> Seems we can leak skb in br_nf_dev_queue_xmit()... Does this fix the problem?
It doesn't resolve the problem. I added some printk to see if the fixed
paths are executed and I don't see any.
Regards,
--
Julien Grall
prev parent reply other threads:[~2015-06-30 10:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-29 16:03 Unable to unregister netdevice after "netfilter: bridge: forward IPv6 fragmented packets" Julien Grall
2015-06-29 18:55 ` Florian Westphal
2015-06-30 10:33 ` Julien Grall [this message]
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