From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:55097) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tv4Kk-0006M4-9n for qemu-devel@nongnu.org; Tue, 15 Jan 2013 06:05:37 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Tv4Kf-0005r2-Ff for qemu-devel@nongnu.org; Tue, 15 Jan 2013 06:05:34 -0500 Received: from e28smtp03.in.ibm.com ([122.248.162.3]:57357) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tv4Ke-0005qQ-SA for qemu-devel@nongnu.org; Tue, 15 Jan 2013 06:05:29 -0500 Received: from /spool/local by e28smtp03.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 15 Jan 2013 16:34:02 +0530 Received: from d28relay01.in.ibm.com (d28relay01.in.ibm.com [9.184.220.58]) by d28dlp03.in.ibm.com (Postfix) with ESMTP id 291ED125804D for ; Tue, 15 Jan 2013 16:35:40 +0530 (IST) Received: from d28av01.in.ibm.com (d28av01.in.ibm.com [9.184.220.63]) by d28relay01.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r0FB5JSb35455084 for ; Tue, 15 Jan 2013 16:35:19 +0530 Received: from d28av01.in.ibm.com (loopback [127.0.0.1]) by d28av01.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r0FB5Lh8024830 for ; Tue, 15 Jan 2013 11:05:21 GMT Message-ID: <50F537F1.1010506@in.ibm.com> Date: Tue, 15 Jan 2013 16:35:21 +0530 From: "Suzuki K. Poulose" MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Qemu s390x emulation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, Alexander Graf Hi I have been trying to setup a qemu session for qemu-system-s390x (on x86_64) using a kernel (with initramfs built-in the kernel) without a disk image. The kernel was built with s390 defconfig + disabled loadable modules (just to keep everything inside the kernel). $ qemu-system-s390x -M s390 -kernel vmlinux -m 1024 The session dies in say 2 secs, with an exit code of 0. I searched for some hints / success stories, couldn't find any. Am I doing something wrong here ? Please let me know the right procedure for getting this up and running. Thanks Suzuki