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Re: Glibc recvmsg from kernel netlink socket hangs forever

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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

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Thread

Glibc recvmsg from kernel netlink socket hangs forever Steven Schlansker <stevenschlansker@gmail.com> - 2015-09-25 02:30 +0200
  Re: Glibc recvmsg from kernel netlink socket hangs forever Guenter Roeck <linux@roeck-us.net> - 2015-09-25 06:40 +0200
    Re: Glibc recvmsg from kernel netlink socket hangs forever Herbert Xu <herbert@gondor.apana.org.au> - 2015-09-25 07:00 +0200
      Re: Glibc recvmsg from kernel netlink socket hangs forever Guenter Roeck <linux@roeck-us.net> - 2015-09-25 07:40 +0200
        Re: Glibc recvmsg from kernel netlink socket hangs forever Herbert Xu <herbert@gondor.apana.org.au> - 2015-09-25 18:00 +0200
          Re: Glibc recvmsg from kernel netlink socket hangs forever Guenter Roeck <linux@roeck-us.net> - 2015-09-25 18:20 +0200
          Re: Glibc recvmsg from kernel netlink socket hangs forever Guenter Roeck <linux@roeck-us.net> - 2015-09-26 05:50 +0200
        Re: Glibc recvmsg from kernel netlink socket hangs forever Steven Schlansker <stevenschlansker@gmail.com> - 2015-09-25 23:40 +0200
          Re: Glibc recvmsg from kernel netlink socket hangs forever Steven Schlansker <stevenschlansker@gmail.com> - 2015-09-26 00:00 +0200
          Re: Glibc recvmsg from kernel netlink socket hangs forever Guenter Roeck <linux@roeck-us.net> - 2015-09-26 05:00 +0200

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