From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcelo Tosatti Subject: Re: NX/DEP from host to guest Date: Mon, 21 Apr 2014 17:31:24 -0300 Message-ID: <20140421203124.GC1615@amt.cnet> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm To: Simon Matthews Return-path: Received: from mx1.redhat.com ([209.132.183.28]:20299 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754434AbaDUVqJ (ORCPT ); Mon, 21 Apr 2014 17:46:09 -0400 Content-Disposition: inline In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On Sat, Apr 05, 2014 at 11:18:04AM -0700, Simon Matthews wrote: > I experiencing problems on a Windows guest, in which a process > repeatedly shows "Killed" in the shell after running for a short time > (it is running in the SUA/Interix environment). The process is part of > a tool that was open-source, but we are now attempting to use a > closed-source branch of the tool which has commercial support. > However, the vendor has been unable to resolve this issue. > > The vendor has asked us to switch off DEP in the Windows guest, so the > tool clearly has some issues with NX/DEP. > > The host runs CentOS 6, on an Opteron processor. I have not disabled > NX in the BIOS. > > I was wondering if the use of NX on the host could cause individual > processes in a (Windows) guest to be killed? Yes, it can cause a process to be killed.