From mboxrd@z Thu Jan 1 00:00:00 1970 From: Herbert Xu Subject: Re: netlink & rhashtable status Date: Thu, 14 May 2015 10:53:33 +0800 Message-ID: <20150514025333.GA3853@gondor.apana.org.au> References: <1431495036.566.126.camel@edumazet-glaptop2.roam.corp.google.com> <20150513054037.GA26595@gondor.apana.org.au> <1431497740.566.129.camel@edumazet-glaptop2.roam.corp.google.com> <20150513062038.GA26944@gondor.apana.org.au> <1431522271.566.132.camel@edumazet-glaptop2.roam.corp.google.com> <1431533884.566.148.camel@edumazet-glaptop2.roam.corp.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: David Miller , Thomas Graf , netdev To: Eric Dumazet Return-path: Received: from helcar.hengli.com.au ([209.40.204.226]:36380 "EHLO helcar.hengli.com.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933345AbbENCxm (ORCPT ); Wed, 13 May 2015 22:53:42 -0400 Content-Disposition: inline In-Reply-To: <1431533884.566.148.camel@edumazet-glaptop2.roam.corp.google.com> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, May 13, 2015 at 09:18:04AM -0700, Eric Dumazet wrote: > > For 4.0.3 I replaced the two rhashtable files by current Linus version, > and problem is gone, so the fix is not in net/netlink Are you sure the same bug happens in 3.17 too? I can certainly see this happening after the dynamic rehashing code went in. But in 3.17 it was doing everything under one single lock so I can't really see how things can go wrong. Cheers, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt