From: Stefan Priebe <s.priebe@profihost•ag>
To: Hannes Frederic Sowa <hannes@stressinduktion•org>,
Florian Weimer <fweimer@redhat•com>,
Thomas Gleixner <tglx@linutronix•de>,
netdev@vger•kernel.org, linux-fsdevel@vger•kernel.org,
linux-kernel@vger•kernel.org, herbert@gondor•apana.org.au
Subject: Re: Asterisk deadlocks since Kernel 4.1
Date: Sat, 5 Dec 2015 16:34:08 +0100 [thread overview]
Message-ID: <566303F0.5040007@profihost.ag> (raw)
In-Reply-To: <20151205141906.GB31897@pmhahn.de>
Hello Philipp,
Am 05.12.2015 um 15:19 schrieb Philipp Matthias Hahn:
> Hello Hannes,
>
> On Wed, Dec 02, 2015 at 12:40:32PM +0100, Hannes Frederic Sowa wrote:
>>> git bisect tells me it stopped working after those two commits were applied:
>>>
>>> commit d48623677191e0f035d7afd344f92cf880b01f8e
>>> Author: Herbert Xu <herbert@gondor•apana.org.au>
>>> Date: Tue Sep 22 11:38:56 2015 +0800
>>>
>>> netlink: Replace rhash_portid with bound
>>>
>>> commit 4e27762417669cb459971635be550eb7b5598286
>>> Author: Herbert Xu <herbert@gondor•apana.org.au>
>>> Date: Fri Sep 18 19:16:50 2015 +0800
>>>
>>> netlink: Fix autobind race condition that leads to zero port ID
>>
>> Cool, thanks a lot. Does this patch make a difference?
>>
>> diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
>> index 59651af..278e94c 100644
>> --- a/net/netlink/af_netlink.c
>> +++ b/net/netlink/af_netlink.c
>> @@ -1137,7 +1137,7 @@ static int netlink_insert(struct sock *sk, u32 portid)
>>
>> /* We need to ensure that the socket is hashed and visible. */
>> smp_wmb();
>> - nlk_sk(sk)->bound = portid;
>> + nlk_sk(sk)->bound = true;
>>
>> err:
>> release_sock(sk);
>
> Didn't help, test program still gets stuck; sorry :-(
Can you please try this patch on top of 4.1.13 (which helps me):
http://pastebin.com/raw.php?i=hiuq4bsW
Stefan
>
> Philipp
>
next prev parent reply other threads:[~2015-12-05 15:34 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <564B3D35.50004@profihost.ag>
[not found] ` <alpine.DEB.2.11.1511171936030.3761@nanos>
2015-11-17 19:27 ` Asterisk deadlocks since Kernel 4.1 Stefan Priebe
2015-11-17 19:43 ` Thomas Gleixner
2015-11-18 20:23 ` Stefan Priebe
2015-11-18 21:00 ` Hannes Frederic Sowa
2015-11-18 21:20 ` Stefan Priebe
2015-11-18 21:22 ` Hannes Frederic Sowa
2015-11-19 9:35 ` Stefan Priebe - Profihost AG
2015-11-18 21:18 ` Florian Weimer
2015-11-18 21:23 ` Stefan Priebe
2015-11-19 9:39 ` Florian Weimer
2015-11-18 21:36 ` Stefan Priebe
2015-11-18 21:40 ` Hannes Frederic Sowa
2015-11-18 21:42 ` Stefan Priebe
2015-11-18 21:58 ` Hannes Frederic Sowa
2015-11-19 9:44 ` Florian Weimer
2015-11-19 9:49 ` Stefan Priebe - Profihost AG
2015-11-19 9:56 ` Stefan Priebe - Profihost AG
2015-11-19 11:41 ` Hannes Frederic Sowa
2015-11-19 11:43 ` Stefan Priebe - Profihost AG
2015-11-19 12:41 ` Hannes Frederic Sowa
2015-11-19 12:46 ` Stefan Priebe - Profihost AG
2015-11-19 13:19 ` Florian Weimer
2015-11-19 19:51 ` Stefan Priebe
2015-11-23 12:44 ` Stefan Priebe - Profihost AG
2015-11-23 12:57 ` Hannes Frederic Sowa
2015-11-24 13:35 ` Stefan Priebe - Profihost AG
2015-12-02 9:45 ` Stefan Priebe - Profihost AG
2015-12-02 11:40 ` Hannes Frederic Sowa
2015-12-02 17:51 ` Philipp Hahn
2015-12-03 8:23 ` Stefan Priebe - Profihost AG
2015-12-04 18:26 ` Stefan Priebe
2015-12-05 1:08 ` Herbert Xu
2015-12-06 20:56 ` Stefan Priebe
2015-12-07 1:20 ` Herbert Xu
2015-12-07 6:58 ` Stefan Priebe - Profihost AG
2015-12-08 6:13 ` netlink: Add missing goto statement to netlink_insert Herbert Xu
2015-12-08 16:21 ` David Miller
2015-12-09 3:29 ` Greg KH
2015-12-07 7:41 ` Asterisk deadlocks since Kernel 4.1 Philipp Hahn
2015-12-05 14:19 ` Philipp Matthias Hahn
2015-12-05 15:34 ` Stefan Priebe [this message]
2015-12-02 17:15 ` Philipp Hahn
2015-12-02 18:23 ` Hannes Frederic Sowa
2015-11-17 14:46 Stefan Priebe - Profihost AG
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