From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755163AbYDMVSY (ORCPT ); Sun, 13 Apr 2008 17:18:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751736AbYDMVSQ (ORCPT ); Sun, 13 Apr 2008 17:18:16 -0400 Received: from wa-out-1112.google.com ([209.85.146.181]:21243 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751378AbYDMVSQ (ORCPT ); Sun, 13 Apr 2008 17:18:16 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=SZNmemMUB4Xspb+bC0VWFnooW5bo3A2eXS1afQNJ5eVcTmwJs8tMBDXzS3VHQTGNj+UpBG1mIBZsH1GXDaq98jcKAZw1zNEKjhD9mE+THWAwUS85Cw4cIC5Gg956lIm9q8bzNaZiecVz9jKjk4qFy0LrCBFGkqlur5vUbeY8xpk= Message-ID: <740b8bba0804131418q4a210d44k77f95714002b92a@mail.gmail.com> Date: Sun, 13 Apr 2008 14:18:15 -0700 From: "David Erickson" To: linux-kernel@vger.kernel.org Subject: Kernel module unable to find an exported symbol MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi everyone, I have two kernel modules I am developing, both use the call_rcu exported function. The core module finds it no problem, installs, and uses it. The second module however when I try to insmod it complains: Unknown symbol call_rcu I have verified that it is exported via /proc/kallsyms: c04348c8 T call_rcu I am at a loss as to how to proceed, can anyone shed some light on how this could be happening? Or how to diagnose and debug the problem? Thanks, David ps please CC me on a reply, thank you!