From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1FtAKy-0004Bn-Vc for qemu-devel@nongnu.org; Wed, 21 Jun 2006 17:34:12 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1FtAKy-0004BJ-Cr for qemu-devel@nongnu.org; Wed, 21 Jun 2006 17:34:12 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FtAKy-0004BG-7N for qemu-devel@nongnu.org; Wed, 21 Jun 2006 17:34:12 -0400 Received: from [84.96.92.60] (helo=Smtp.neuf.fr) by monty-python.gnu.org with esmtp (Exim 4.52) id 1FtAVn-0005w8-NF for qemu-devel@nongnu.org; Wed, 21 Jun 2006 17:45:23 -0400 Received: from [84.99.204.64] by sp604001mt.gpm.neuf.ld (Sun Java System Messaging Server 6.2-5.05 (built Feb 16 2006)) with ESMTP id <0J18006OFA3LQ1A0@sp604001mt.gpm.neuf.ld> for qemu-devel@nongnu.org; Wed, 21 Jun 2006 22:54:57 +0200 (CEST) Date: Wed, 21 Jun 2006 22:54:43 +0200 From: Fabrice Bellard Subject: Re: [Qemu-devel] QEMU FreeBSD 6.1 "npxdna: fpcurthread == curthread" spewage In-reply-to: <22d160bb0606211247k72f98f68pc54a409342092441@mail.gmail.com> Message-id: <4499B213.8030304@bellard.org> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii; format=flowed Content-transfer-encoding: 7BIT References: <22d160bb0606211247k72f98f68pc54a409342092441@mail.gmail.com> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org There is a bug in the FPU virtualization in kqemu which is only visible in the kernel virtualization case. I am trying a fix. Fabrice. Zach Metzinger wrote: > Hi- > > I'm using qemu-0.8.1 under FreeBSD 6.1-RELEASE from ports with > kqemu-1.3.0pre7 (also from ports). The guest OS is Windows XP SP2. > When I use the -kernel-kqemu flag to qemu, I get the following kernel > console messages: > > Jun 21 14:04:57 jitter kernel: npxdna: fpcurthread == curthread 5173 times > Jun 21 14:04:57 jitter kernel: npxdna: fpcurthread == curthread 5174 times > <...> > > This happens quite a bit (5-10 a second) when using any block device. > I assume this is because kernel I/O calls are being virtualized and > are the cause of this. > > When I do not use -kernel-kqemu, I do not get these messages. In both > cases, Windows appears to work fine. > > This thread: > http://tinyurl.com/mbm5l > appears to have some information on why this happens. Has a patch been > released to fix this bug? > > --- Zach > > > _______________________________________________ > Qemu-devel mailing list > Qemu-devel@nongnu.org > http://lists.nongnu.org/mailman/listinfo/qemu-devel > >