Subject: Re: Asterisk deadlocks since Kernel 4.1

From: Philipp Hahn <[email-masked]>
Date: Wed, 02 Dec 2015 18:15:18 +0100

Hi,

Am 02.12.2015 um 10:45 schrieb Stefan Priebe - Profihost AG:
> here are the results.
> 
> It works with 4.1.
> It works with 4.2.
> It does not work with 4.1.13.

the patches were first commitet in v4.3-rc3 and appear as backports only
since v4.2.3 and v4.1.10

> git bisect tells me it stopped working after those two commits were applied:
> 
> commit d48623677191e0f035d7afd344f92cf880b01f8e
> Author: Herbert Xu <[email-masked]>
> Date:   Tue Sep 22 11:38:56 2015 +0800
> 
>     netlink: Replace rhash_portid with bound
> 
> commit 4e27762417669cb459971635be550eb7b5598286
> Author: Herbert Xu <[email-masked]>
> Date:   Fri Sep 18 19:16:50 2015 +0800
> 
>     netlink: Fix autobind race condition that leads to zero port ID

I identified the same two patches for our prpblem; see mail from
2015-11-17 16:53 with subject "Strange PF_NETLINK NETLINK_ROUTE stall:
netlink: Fix autobind race condition that leads to zero port ID"

<http://marc.info/?l=linux-kernel&m=144863837825887&w=2>

Philipp