From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34957) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZzPNt-0005cC-1x for qemu-devel@nongnu.org; Thu, 19 Nov 2015 08:36:25 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZzPNo-0005Ix-BB for qemu-devel@nongnu.org; Thu, 19 Nov 2015 08:36:20 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39096) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZzPNo-0005Is-6x for qemu-devel@nongnu.org; Thu, 19 Nov 2015 08:36:16 -0500 Date: Thu, 19 Nov 2015 15:36:13 +0200 From: "Michael S. Tsirkin" Message-ID: <1447939696-28930-6-git-send-email-mst@redhat.com> References: <1447939696-28930-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1447939696-28930-1-git-send-email-mst@redhat.com> Subject: [Qemu-devel] [PULL 05/15] vhost-user: print original request on error List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Maydell When we get an unexpected response, print out the original request. Helps debug protocol errors tremendously. Signed-off-by: Michael S. Tsirkin --- hw/virtio/vhost-user.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c index 3404b81..5bc6c45 100644 --- a/hw/virtio/vhost-user.c +++ b/hw/virtio/vhost-user.c @@ -121,8 +121,8 @@ static int vhost_user_read(struct vhost_dev *dev, VhostUserMsg *msg) r = qemu_chr_fe_read_all(chr, p, size); if (r != size) { - error_report("Failed to read msg header. Read %d instead of %d.", r, - size); + error_report("Failed to read msg header. Read %d instead of %d." + " Original request %d.", r, size, msg->request); goto fail; } -- MST