From owner-freebsd-virtualization@FreeBSD.ORG Fri Oct 5 04:07:35 2012 Return-Path: Delivered-To: freebsd-virtualization@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 7FACE106566B; Fri, 5 Oct 2012 04:07:35 +0000 (UTC) (envelope-from neelnatu@gmail.com) Received: from mail-ie0-f182.google.com (mail-ie0-f182.google.com [209.85.223.182]) by mx1.freebsd.org (Postfix) with ESMTP id 3A0398FC0C; Fri, 5 Oct 2012 04:07:34 +0000 (UTC) Received: by mail-ie0-f182.google.com with SMTP id k10so3830248iea.13 for ; Thu, 04 Oct 2012 21:07:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=OvvPZ/nyfnLWck/DYpAx0cADf0yI1t1oJAJmLqDFY0Y=; b=ZSg+T6l2GHzuO+GvujO3+iKgdGpH6aC15DCCAJ85jwQgwxviDBfe0gnfm1CY54smr+ xPIi95dVCr+M7ThetG9S4bIfbkEhSsFpGG/gGILBMtdfIi9kwMeMlZHqazio1gozi6xI meTHMKXlRnUbnvxmStx3Y1FaOS1tIHWXrDnvZjbGHl1zFfcBAh3nNizDHASJhaqI6X2K B846pyKNQZom99USa7AZ99jWS3XCMTtL7DLMkB9ROnCWE2SKL3vQ11tJP1TzkupIKlkA /f7p+KANhXftjoJoxYUfIPZ14K9WUTMIdPNnTwLaohpGQNmdiuoCIsDO12Rmd9i0JnBX 7BnA== MIME-Version: 1.0 Received: by 10.50.214.65 with SMTP id ny1mr102324igc.10.1349410054298; Thu, 04 Oct 2012 21:07:34 -0700 (PDT) Received: by 10.64.107.97 with HTTP; Thu, 4 Oct 2012 21:07:34 -0700 (PDT) In-Reply-To: References: Date: Thu, 4 Oct 2012 21:07:34 -0700 Message-ID: From: Neel Natu To: "sree.openwrk" Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-virtualization@freebsd.org Subject: Re: Bhyve: panic: "Unregistered use of FPU in kernel" when starting guest X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Oct 2012 04:07:35 -0000 Hi svas, On Thu, Oct 4, 2012 at 5:58 PM, sree.openwrk wrote: > Hi > I am seeing frequent kernel panic when I try to run the guest OS. I have the > latest Freebsd (I compiled the latest code from > svn://svn.freebsd.org/base/projects/bhyve and installed it in my machine). > While trying to run the pre-built guest provided at > http://people.freebsd.org/~neel/bhyve/vm1.tar.gz I get the kernel panic > (panic: Unregistered use of FPU in kernel) > I am attaching the core.txt. > I also want to mention that I was successfully able to boot in to the guest > OS couple of times. But around 7/10 times I get thsi host kernel panic. > > stack trace: > vm_run() at vm_run+0xec > vmmdev_ioctl() at vmmdev_ioctl+0x4ea > devfs_ioctl_f() at devfs_ioctl_f+0x7a > kern_ioctl() at kern_ioctl+0xcd > sys_ioctl() at sys_ioctl+0xfd > amd64_syscall() at amd64_syscall+0x304 > Xfast_syscall() at Xfast_syscall+0xf7 > I am seeing this too but nowhere as frequently as you are. I hit this last night for the first time and not since. There hasn't been any change in this part of the code for quite some time now. Since you can trigger this much more frequently that me, would it be possible for you to narrow down which change caused this? It would be hugely helpful. best Neel > > regards > svas > >