From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [BUG] GPF on hardware breakpoints (preempt_notifier) Date: Sun, 09 Sep 2007 20:30:01 +0300 Message-ID: <46E42D99.6030905@qumranet.com> References: <20070909171422.GA13345@dreamland.darkstar.lan> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-TtF/mJH4Jtrk1uMJSBkQmQ@public.gmane.org To: Luca Tettamanti Return-path: In-Reply-To: <20070909171422.GA13345-sTXFmx6KbOnUXq0IF5SVAZ4oGUkBHcCu@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Luca Tettamanti wrote: > Hi, > while debugging a program with GDB I got a GPF which seems related to > KVM. Note that I was *not* using the debugger inside the guest nor on > the virtual machine. The target was an unrelated userspace program. > > Yes, kvm is dirtily misappropriating the debug registers on older kernels. We really should context switch them more carefully. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/