From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Gilbert Subject: Re: Kernel GPF in vmx_save_host_state() Date: Mon, 23 Mar 2009 14:41:56 -0400 Message-ID: <49C7D7F4.7090204@cs.cmu.edu> References: <49C0313C.5010906@cs.cmu.edu> <49C0B702.1060807@redhat.com> <49C12ED2.4080209@cs.cmu.edu> <49C20ED4.2040700@redhat.com> <49C2B289.7030707@cs.cmu.edu> <49C60011.8030405@redhat.com> <49C7D3D8.3060508@cs.cmu.edu> <49C7D63E.8070707@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Avi Kivity Return-path: Received: from CHOKECHERRY.SRV.CS.CMU.EDU ([128.2.185.41]:47498 "EHLO chokecherry.srv.cs.cmu.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751080AbZCWSmP (ORCPT ); Mon, 23 Mar 2009 14:42:15 -0400 In-Reply-To: <49C7D63E.8070707@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Avi Kivity wrote: > Benjamin Gilbert wrote: >> vmx_set_msr: msr_index 0xc0000080 msr->index 0xc0000080 msr->data 0x100 > > How did that get in there?! > > Please add a dump_stack() after that printk(). Pid: 2381, comm: qemu-system-x86 Not tainted 2.6.28-686 #4 Call Trace: [] vmx_set_msr+0x150/0x178 [kvm_intel] [] handle_wrmsr+0x71/0x9d [kvm_intel] [] kvm_handle_exit+0x1c8/0x1e5 [kvm_intel] [] kvm_arch_vcpu_ioctl_run+0x6f2/0x918 [kvm] [] ? _spin_unlock_irqrestore+0x59/0x5d [] ? preempt_schedule+0x30/0x3f [] kvm_vcpu_ioctl+0xf4/0x40f [kvm] [] ? up_read+0x1b/0x2f [] ? futex_wake+0xd0/0xdb [] ? do_futex+0x81/0x6c9 [] ? kvm_vcpu_ioctl+0x0/0x40f [kvm] [] vfs_ioctl+0x27/0x6c [] do_vfs_ioctl+0x394/0x3d8 [] ? fget_light+0xc8/0xe4 [] ? sys_ioctl+0x1c/0x5f [] ? sub_preempt_count+0x9d/0xab [] sys_ioctl+0x45/0x5f [] sysenter_do_call+0x12/0x35 --Benjamin Gilbert