From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Slaby Subject: KVM: WARNING: at .. kvm_release_pfn_clean Date: Fri, 05 Oct 2012 10:33:59 +0200 Message-ID: <506E9B77.60505@suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: 7bit To: Avi Kivity , Marcelo Tosatti , kvm@vger.kernel.org, LKML , Jiri Slaby Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org Hi, I'm getting this warning while running qemu-kvm 1.2.rc1 on the top of 3.6.0-next-20121001: WARNING: at virt/kvm/kvm_main.c:1325 kvm_release_pfn_clean+0x70/0x80() Hardware name: To Be Filled By O.E.M. Modules linked in: nls_cp437 vfat fat dvb_usb_dib0700 dib0090 dib7000p dib7000m dib0070 dib8000 dib3000mc dibx000_common microcode Pid: 11848, comm: qemu-kvm Tainted: G W 3.6.0-next-20121001_64+ #70 Call Trace: [] warn_slowpath_common+0x7f/0xc0 [] warn_slowpath_null+0x1a/0x20 [] kvm_release_pfn_clean+0x70/0x80 [] paging64_page_fault+0x686/0x830 [] ? paging64_gva_to_gpa+0x35/0x80 [] kvm_mmu_page_fault+0x31/0x100 [] handle_exception+0x231/0x3d0 [] vmx_handle_exit+0xcc/0x780 [] kvm_arch_vcpu_ioctl_run+0x444/0xf60 [] ? kvm_arch_vcpu_load+0x57/0x1b0 [] kvm_vcpu_ioctl+0x472/0x610 [] ? fsnotify+0x24b/0x340 [] do_vfs_ioctl+0x99/0x580 [] ? pick_next_task_fair+0x13b/0x1a0 [] ? __enqueue_entity+0x78/0x80 [] ? kvm_on_user_return+0x64/0x70 [] sys_ioctl+0x50/0x90 [] system_call_fastpath+0x16/0x1b I.e. is_error_pfn(pfn) is true. regards, -- js suse labs