From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josh Durgin Subject: Re: symbol lookup error v9.1.0 Date: Fri, 16 Oct 2015 21:54:31 -0700 Message-ID: <5621D487.3050101@redhat.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mx1.redhat.com ([209.132.183.28]:38663 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750950AbbJQEya (ORCPT ); Sat, 17 Oct 2015 00:54:30 -0400 In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: "Deneau, Tom" , "ceph-devel@vger.kernel.org" On 10/16/2015 08:37 PM, Deneau, Tom wrote: > On an ubuntu trusty system, > * I installed v9.1.0 and could bring up a single node cluster with it. > * I did a git checkout of v9.1.0, followed by ./autogen.sh; ./configure; make > > Then when I try to run for example the rados I just built using > "./src/.libs/rados -v" > > I get > ./src/.libs/rados: symbol lookup error: ./src/.libs/rados: undefined symbol: _ZN8librados20ObjectWriteOperation9copy_fromERKSsRKNS_5IoCtxEmj > > which decodes to > librados::ObjectWriteOperation::copy_from(std::string const&, librados::IoCtx const&, unsigned long, unsigned int) > > Is there any reason why this symbol should not be resolved by the installed libraries of v9.1.0? Sounds like you've got a pre-9.1.0 librados getting loaded. This is one of the ABI breakages that's fixed in the infernalis branch, but didn't make the rc. This is the fix: https://github.com/ceph/ceph/pull/6215 Josh