From mboxrd@z Thu Jan 1 00:00:00 1970 From: Herbert Xu Subject: Re: netlink & rhashtable status Date: Thu, 14 May 2015 11:34:48 +0800 Message-ID: <20150514033448.GA5080@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> <20150514025333.GA3853@gondor.apana.org.au> <1431573463.27831.32.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]:57955 "EHLO helcar.hengli.com.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753839AbbENDe4 (ORCPT ); Wed, 13 May 2015 23:34:56 -0400 Content-Disposition: inline In-Reply-To: <1431573463.27831.32.camel@edumazet-glaptop2.roam.corp.google.com> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, May 13, 2015 at 08:17:43PM -0700, Eric Dumazet wrote: > > The initial bug report was on 3.18 for sure. > > (Tester had to leave the program run ~8 hours to get the problem, on a 8 > vCPU VM) > > I can reproduce the bug quite easily (in a few seconds) on 4.0.3, I did > not spent lot of time trying 3.18, but it seems a bit harder. No what I'm asking is on 3.18 was it permanent? I can imagine there being a lookup bug in 3.18 that triggers during a rehash but I cannot find any permanent corruption issues. Thanks, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt