From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sterling Windmill Subject: Re: installing kvm-76 on 2.6.24 Date: Mon, 29 Sep 2008 10:42:57 -0400 (EDT) Message-ID: <1431398495.581222699377268.JavaMail.root@mail.ampx.net> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: kvm To: Sheng Yang Return-path: Received: from mail.ampx.net ([208.64.38.105]:42600 "EHLO mail.ampx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751464AbYI2Om7 (ORCPT ); Mon, 29 Sep 2008 10:42:59 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: Thank you for the information. I apologize for posting twice to the mailing list on the same issue. I was just trying to add some additional information. Could you tell me how to edit the Kbuild file for this purpose? I can also recompile my kernel, but that's a bit more difficult. Thanks in advance, Sterling Windmill ----- Original Message ----- From: "Sheng Yang" To: "Sterling Windmill" Cc: "kvm" Sent: Monday, September 29, 2008 10:21:10 AM GMT -05:00 US/Canada Eastern Subject: Re: installing kvm-76 on 2.6.24 On Mon, Sep 29, 2008 at 1:09 PM, Sterling Windmill wrote: > I am running a custom compiled 2.6.24 kernel on a 64-bit Intel system and had no issues compling and running kvm-75. > > I downloaded kvm-76 and compiled and installed it, but I cannot get the modules to load properly. > > I have temporarily gone back to kvm-75. > > I am seeing this output in dmesg: > > kvm: Unknown symbol kvm_iommu_map_pages > kvm: Unknown symbol kvm_iommu_map_guest > kvm: Unknown symbol kvm_iommu_unmap_guest Seems you enabled CONFIG_DMAR in host kernel side? In theory, we should use CONFIG_DMAR with newly VT-d support in KVM, but the problem now is that userspace including compile option is not ready, so here comes compile problem. If you want to try kvm-76, you may try to disable CONFIG_DMAR in host kernel. Or just wait to userspace VT-d support merge (of course you can add vtd.c manually in Kbuild to overcome this compile issue). :) -- regards, Yang, Sheng