From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: Failed vm entry with heavy use of emulator Date: Wed, 06 Jan 2016 07:21:39 -0700 Message-ID: <568D310302000078000C3F9D@prv-mh.provo.novell.com> References: <568BAF7E.802@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aGoyB-0005z6-1U for xen-devel@lists.xenproject.org; Wed, 06 Jan 2016 14:21:47 +0000 In-Reply-To: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Tamas K Lengyel Cc: Andrew Cooper , Razvan Cojocaru , Xen-devel List-Id: xen-devel@lists.xenproject.org >>> On 05.01.16 at 13:05, wrote: > On Tue, Jan 5, 2016 at 12:56 PM, Andrew Cooper > wrote: >> Do you have a log of the instructions emulated? > > I don't. Is there an easy way to get that beside manually sprinkling debug > messages around in the emulator? Assuming you have the guest kernel binary (or binaries, in e.g. the Windows case), just disassemble the kernel binary. Considering later replies, maybe you even see crashes on different instructions, which may allow deriving a pattern. Jan