From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guenter Roeck Subject: Re: Glibc recvmsg from kernel netlink socket hangs forever Date: Thu, 24 Sep 2015 22:34:10 -0700 Message-ID: <5604DCD2.4090600@roeck-us.net> References: <20150925043653.GA29111@roeck-us.net> <20150925045853.GA5286@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Cc: Steven Schlansker , linux-kernel@vger.kernel.org, Eric Dumazet , netdev@vger.kernel.org To: Herbert Xu Return-path: Received: from bh-25.webhostbox.net ([208.91.199.152]:56890 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750850AbbIYFeY (ORCPT ); Fri, 25 Sep 2015 01:34:24 -0400 In-Reply-To: <20150925045853.GA5286@gondor.apana.org.au> Sender: netdev-owner@vger.kernel.org List-ID: 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