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From: Guenter Roeck <linux@roeck-us.net>
To: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Jun Wang <junwang123@gmail.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Herbert Xu <herbert@gondor.apana.org.au>
Subject: Re: Glibc recvmsg from kernel netlink socket hangs forever
Date: Fri, 11 Mar 2016 17:25:40 -0800	[thread overview]
Message-ID: <56E37014.7030305@roeck-us.net> (raw)
In-Reply-To: <CAM_iQpX5UcLkk8tWiYP9rKke-MZ4T7KkgK4wbZCiJ28g4F+R4g@mail.gmail.com>

On 03/11/2016 04:13 PM, Cong Wang wrote:
> On Fri, Mar 11, 2016 at 3:50 PM, Guenter Roeck <linux@roeck-us.net> wrote:
>> On Fri, Mar 11, 2016 at 11:33:17AM -0800, Jun Wang wrote:
>>> Guenter,
>>>
>>> Which additional netlink changes from 4.2 did you patch? We still see
>>> the problem with your test program with 4.1.12 which have the
>>> following two patches mentioned by Herbert Xu on this thread.
>>>
>> Jun,
>>
>> Sorry, I don't recall, and I no longer have access to the kernel since
>> I now work for a different company. I do recall that we had to apply
>> additional patches later, but I don't remember details.
>
> I think it is probably this one:
>
> https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/net/netlink/af_netlink.c?h=linux-4.1.y&id=a52ec6de6d1638e8c203d7188c55627f75371612
>
> The original backport is incorrect in 4.1 branch, and it is fixed now.
>
Yes, overall I would hope that 4.1.y should be up to date and working now.

Guenter

  reply	other threads:[~2016-03-12  1:25 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-11 19:33 Glibc recvmsg from kernel netlink socket hangs forever Jun Wang
2016-03-11 23:50 ` Guenter Roeck
2016-03-12  0:13   ` Cong Wang
2016-03-12  1:25     ` Guenter Roeck [this message]
  -- strict thread matches above, loose matches on Subject: below --
2015-09-25  0:29 Steven Schlansker
2015-09-25  4:36 ` Guenter Roeck
2015-09-25  4:58   ` Herbert Xu
2015-09-25  5:34     ` Guenter Roeck
2015-09-25 15:55       ` Herbert Xu
2015-09-25 16:14         ` Guenter Roeck
2015-09-26  3:45         ` Guenter Roeck
2015-09-25 21:37       ` Steven Schlansker
2015-09-25 21:54         ` Steven Schlansker
2015-09-26  2:58         ` Guenter Roeck
2015-10-05 23:26           ` Steven Schlansker
2015-10-05 23:30             ` Guenter Roeck

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