Re: Glibc recvmsg from kernel netlink socket hangs forever

From: Guenter Roeck
Date: Mon Oct 05 2015 - 19:30:32 EST


On 10/05/2015 04:26 PM, Steven Schlansker wrote:

On Sep 25, 2015, at 7:58 PM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:

On 09/25/2015 02:37 PM, Steven Schlansker wrote:


Thank you for the patches to try, I'll build a kernel with them early next week
and report back. It sounds like it may not match my problem exactly so we'll
see.


For 4.0.x, you _really_ need to update to 4.0.9 to get the following two patches.

cf8befcc1a55 netlink: Disable insertions/removals during rehash
18889a4315a5 netlink: Reset portid after netlink_insert failure

Hi Guenter,

Thank you very much for the information. We upgraded to 4.0.9 and all indications are that
the issue is gone. I will follow up if that is not the case.

Thank you everyone for your guidance.


My pleasure.

Guenter


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