From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754391AbaIWJFm (ORCPT ); Tue, 23 Sep 2014 05:05:42 -0400 Received: from mail-pd0-f179.google.com ([209.85.192.179]:38212 "EHLO mail-pd0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753133AbaIWJFj (ORCPT ); Tue, 23 Sep 2014 05:05:39 -0400 Message-ID: <1411463138.26859.168.camel@edumazet-glaptop2.roam.corp.google.com> Subject: Re: 3.17 kernel crash while loading IPoIB From: Eric Dumazet To: "Sharma, Karun" Cc: "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" Date: Tue, 23 Sep 2014 02:05:38 -0700 In-Reply-To: <637AD4DF2E595346BAB0DF8C46F3A2B003291F06@BGSMSX101.gar.corp.intel.com> References: <637AD4DF2E595346BAB0DF8C46F3A2B003291F06@BGSMSX101.gar.corp.intel.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2014-09-23 at 05:15 +0000, Sharma, Karun wrote: > Hello: > > I am facing an issue wherein kernel 3.17 crashes while loading IPoIB > module. I guess the issue discussed in this thread > (https://www.mail-archive.com/linux-rdma@vger.kernel.org/msg20963.html) is similar. > > We were able to reproduce the issue with RC6 also. Here are the steps > I followed: > > I compiled and installed 3.17 kernel on top of RHEL 6.5. > Then I changed rdma.conf to not load IPoIB (If I don't do this, the > kernel crashes while booting and starting RDMA service.) > After the server comes up, I just did "modprobe ib_ipoib" and kernel > crashes. > Please see below the kernel back trace. > > Seeing the announcement, it looks like RC6 will be the last RC for > 3.17 kernel. Will the release happen with this issue? Is there any > workaround available for this issue? > I am not sure what mechanism/process is used to report issue to kernel > community. > > Regards > Karun This seems fixed now : http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=257117862634d89de33fec74858b1a0ba5ab444b http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b49fe36208b45f76dfbcfcd3afd952a33fa9f5ce