From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262508AbULDAVq (ORCPT ); Fri, 3 Dec 2004 19:21:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262511AbULDAVq (ORCPT ); Fri, 3 Dec 2004 19:21:46 -0500 Received: from ns1.q-leap.de ([153.94.51.193]:55964 "EHLO mail.q-leap.de") by vger.kernel.org with ESMTP id S262508AbULDAUy (ORCPT ); Fri, 3 Dec 2004 19:20:54 -0500 From: Roland Fehrenbacher MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16817.739.384632.576205@gargle.gargle.HOWL> Date: Sat, 4 Dec 2004 01:20:51 +0100 To: "Randy.Dunlap" Cc: linux-kernel@vger.kernel.org, marcelo.tosatti@cyclades.com Subject: Re: Trouble with swiotlb In-Reply-To: <41B0DC46.7050906@osdl.org> References: <16816.30598.368287.762457@gargle.gargle.HOWL> <41B0DC46.7050906@osdl.org> X-Mailer: VM 7.03 under 21.4 (patch 6) "Common Lisp" XEmacs Lucid Reply-To: rf@q-leap.de Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org >>>>> "Randy" == Randy Dunlap writes: Randy> Roland Fehrenbacher wrote: >> Hi, >> >> when building 2.4.28 or 2.4.27 on x86_64 with IOMMU and SWIOTLB >> support enabled I get unresolved symbol for 3 modules: >> >> depmod: *** Unresolved symbols in >> /lib/modules/2.4.28/kernel/drivers/net/e1000/e1000.o depmod: >> *** Unresolved symbols in >> /lib/modules/2.4.28/kernel/drivers/usb/host/uhci.o depmod: *** >> Unresolved symbols in >> /lib/modules/2.4.28/kernel/drivers/usb/host/usb-uhci.o >> >> When modprobing any of the modules I get: unresolved symbol >> swiotlb >> >> The kernel boots fine on Opterons and EM64T Xeons otherwise. >> >> Any ideas. Randy> Looks like it just needs 'swiotlb' exported (as in 2.6.x). Randy> Can you test the attached patch? I don't have 2.4.x Randy> booting on x8-64 yet. Hi Randy, thanks for the fast reply. Your patch solved the problem. I can boot Opterons and EM64T Xeons now without any problems. Roland linux-2428-work Signed-off-by: Your Name diffstat:= arch/x86_64/kernel/setup.c | 1 + 1 files changed, 1 insertion(+) diff -Naurp ./arch/x86_64/kernel/setup.c~swiotlb ./arch/x86_64/kernel/setup.c --- ./arch/x86_64/kernel/setup.c~swiotlb 2004-08-07 16:26:04.000000000 -0700 +++ ./arch/x86_64/kernel/setup.c 2004-12-03 11:54:07.000000000 -0800 @@ -52,6 +52,7 @@ int acpi_disabled; EXPORT_SYMBOL(acpi_disabled); int swiotlb; +EXPORT_SYMBOL(swiotlb); extern int phys_proc_id[NR_CPUS];