From patchwork Fri Jul 6 02:42:24 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amos Kong X-Patchwork-Id: 169308 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id C37622C0089 for ; Fri, 6 Jul 2012 12:42:43 +1000 (EST) Received: from localhost ([::1]:54020 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SmyVE-00037I-Qm for incoming@patchwork.ozlabs.org; Thu, 05 Jul 2012 22:42:40 -0400 Received: from eggs.gnu.org ([208.118.235.92]:50797) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SmyV7-00036q-FM for qemu-devel@nongnu.org; Thu, 05 Jul 2012 22:42:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SmyV5-0000Mr-O1 for qemu-devel@nongnu.org; Thu, 05 Jul 2012 22:42:33 -0400 Received: from mx1.redhat.com ([209.132.183.28]:22517) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SmyV5-0000Mb-Fn; Thu, 05 Jul 2012 22:42:31 -0400 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q662gS9i016252 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 5 Jul 2012 22:42:28 -0400 Received: from [10.66.7.109] ([10.66.7.109]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id q662gPMD023366; Thu, 5 Jul 2012 22:42:26 -0400 Message-ID: <4FF65090.3040402@redhat.com> Date: Fri, 06 Jul 2012 10:42:24 +0800 From: Amos Kong User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110930 Thunderbird/7.0.1 MIME-Version: 1.0 To: akong@redhat.com References: <1341021237-11293-1-git-send-email-akong@redhat.com> <1341021740-11426-1-git-send-email-akong@redhat.com> In-Reply-To: <1341021740-11426-1-git-send-email-akong@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.132.183.28 Cc: qemu-trivial@nongnu.org, aliguori@us.ibm.com, pkrempa@redhat.com, qemu-devel@nongnu.org Subject: [Qemu-devel] [PATCH v2] vnc: add a more descriptive error message X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org On 30/06/12 10:02, akong@redhat.com wrote: > From: Amos Kong > > Currently qemu outputs some low-level error in qemu-sockets.c > when failed to start vnc server. > eg. 'getaddrinfo(127.0.0.1,5902): Name or service not known' > > Some libvirt users could not know what's happened with this > unclear error message. This patch added a more descriptive > error message. > > Signed-off-by: Amos Kong > > --- > V2: improve the commitlog > --- > vl.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > CC: qemu-trivial@nongnu.org From ae5d1000b1e30ab03d56f93a751b47e89f91ca41 Mon Sep 17 00:00:00 2001 From: Amos Kong Date: Sat, 30 Jun 2012 10:02:20 +0800 Subject: [PATCH v2] vnc: add a more descriptive error message Currently qemu outputs some low-level error in qemu-sockets.c when failed to start vnc server. eg. 'getaddrinfo(127.0.0.1,5902): Name or service not known' Some libvirt users could not know what's happened with this unclear error message. This patch added a more descriptive error message. Signed-off-by: Amos Kong Signed-off-by: Michael Tokarev --- V2: improve the commitlog --- vl.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/vl.c b/vl.c index 23ab3a3..cea97be 100644 --- a/vl.c +++ b/vl.c @@ -3583,8 +3583,11 @@ int main(int argc, char **argv, char **envp) /* init remote displays */ if (vnc_display) { vnc_display_init(ds); - if (vnc_display_open(ds, vnc_display) < 0) + if (vnc_display_open(ds, vnc_display) < 0) { + fprintf(stderr, "Failed to start VNC server on `%s'\n", + vnc_display); exit(1); + } if (show_vnc_port) { printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));