From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: pthread_barrier_deadlock in -rc1 (was: "Re: [PATCH v3 0/5] fix control thread affinities") Date: Tue, 01 May 2018 10:59:43 +0200 Message-ID: <1580976.iMHpXaYNWk@xps> References: <20180403130439.11151-1-olivier.matz@6wind.com> <4256B2F0-EF9D-4B22-AC1A-D440C002360A@6wind.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Cc: dev@dpdk.org To: Olivier Matz , Maxime Coquelin , Anatoly Burakov , Jianfeng Tan Return-path: Received: from out2-smtp.messagingengine.com (out2-smtp.messagingengine.com [66.111.4.26]) by dpdk.org (Postfix) with ESMTP id E777BDED for ; Tue, 1 May 2018 10:59:45 +0200 (CEST) In-Reply-To: <4256B2F0-EF9D-4B22-AC1A-D440C002360A@6wind.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 30/04/2018 20:46, Olivier Matz: > Le 30 avril 2018 17:45:52 GMT+02:00, Maxime Coquelin a =E9crit : > >I face a deadlock issue with your series, that Jianfeng patch does not > >resolve ("eal: fix threads block on barrier"). Reverting the series and > >Jianfeng patch makes the issue to disappear. [...] > >I don't have more info for now. >=20 > Thanks for the feedback on this issue. I don't see obvious reason for thi= s deadlock yet. >=20 > I'll investigate it asap (not tomorrow, but wednesday). In the worst case= , we can revert the series if I cannot find the root cause rapidly. Guys, thanks for working on it. There are so many big bugs in RC1 that we need to have an early RC2 today or tomorrow. Maybe someone else, working today, can investigate?