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From: Guenter Roeck <linux@roeck-us.net>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Steven Schlansker <stevenschlansker@gmail.com>,
	linux-kernel@vger.kernel.org, Eric Dumazet <edumazet@google.com>,
	netdev@vger.kernel.org
Subject: Re: Glibc recvmsg from kernel netlink socket hangs forever
Date: Thu, 24 Sep 2015 22:34:10 -0700	[thread overview]
Message-ID: <5604DCD2.4090600@roeck-us.net> (raw)
In-Reply-To: <20150925045853.GA5286@gondor.apana.org.au>

Herbert,

On 09/24/2015 09:58 PM, Herbert Xu wrote:
> On Thu, Sep 24, 2015 at 09:36:53PM -0700, Guenter Roeck wrote:
>>
>> http://comments.gmane.org/gmane.linux.network/363085
>>
>> might explain your problem.
>>
>> I thought this was resolved in 4.1, but it looks like the problem still persists
>> there. At least I have reports from my workplace that 4.1.6 and 4.1.7 are still
>> affected. I don't know if there have been any relevant changes in 4.2.
>>
>> Copying Herbert and Eric for additional input.
>
> There was a separate bug discovered by Tejun recently.  You need
> to apply the patches
>
> https://patchwork.ozlabs.org/patch/519245/
> https://patchwork.ozlabs.org/patch/520824/
>
I assume this is on top of mainline ?

> There is another follow-up but it shouldn't make any difference
> in practice.
>

Any idea what may be needed for 4.1 ?
I am currently trying https://patchwork.ozlabs.org/patch/473041/,
but I have no idea if that will help with the problem we are seeing there.

Thanks,
Guenter


  reply	other threads:[~2015-09-25  5:34 UTC|newest]

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

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