From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MBYWU-0005vU-P5 for qemu-devel@nongnu.org; Tue, 02 Jun 2009 14:15:42 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MBYWQ-0005qI-0V for qemu-devel@nongnu.org; Tue, 02 Jun 2009 14:15:42 -0400 Received: from [199.232.76.173] (port=58542 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MBYWP-0005py-JF for qemu-devel@nongnu.org; Tue, 02 Jun 2009 14:15:37 -0400 Received: from mx20.gnu.org ([199.232.41.8]:57169) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1MBYWN-0000sz-NE for qemu-devel@nongnu.org; Tue, 02 Jun 2009 14:15:35 -0400 Received: from mail.codesourcery.com ([65.74.133.4]) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MBYWN-0004mS-1U for qemu-devel@nongnu.org; Tue, 02 Jun 2009 14:15:35 -0400 From: Paul Brook Subject: Re: [Qemu-devel] i586 TCG: boot hangs intermittently on cryptomgr_test at doublefault_fn Date: Tue, 2 Jun 2009 19:15:32 +0100 References: <20090602175833.GA26882@amd.home.annexia.org> In-Reply-To: <20090602175833.GA26882@amd.home.annexia.org> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200906021915.32891.paul@codesourcery.com> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: "Richard W.M. Jones" > So my questions are: Has anyone seen anything like this before? > Is there anything I can set or enable to track down which instructions > are failing? Your best bet is to try and reproduce reliably under controlled circumstances. Then you can stare at traces and/or step through with gdb until you figure out what's going wrong. Using -icount often helps. Paul