From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kamala Narasimhan <kamala.narasimhan@gmail.com>
Subject: Re: libxl: error handling before xenstored runs
Date: Wed, 09 Feb 2011 09:46:56 -0500
Message-ID: <4D52A8E0.2080400@gmail.com>
References: <201102091213.06591.Christoph.Egger@amd.com>
	<4D52A4E3.7070907@gmail.com>
	<201102091542.11027.Christoph.Egger@amd.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <201102091542.11027.Christoph.Egger@amd.com>
List-Unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: Christoph Egger <Christoph.Egger@amd.com>
Cc: xen-devel@lists.xensource.com
List-Id: xen-devel@lists.xenproject.org

Christoph Egger wrote:
> On Wednesday 09 February 2011 15:29:55 Kamala Narasimhan wrote:
>> Christoph Egger wrote:
>>> Hi!
>>>
>>> When I start a guest *before* xenstored runs
>>> then I get this list of error messages:
>>>
>>> libxl: error: libxl_xshelp.c:109:libxl__xs_get_dompath failed to get
>>> dompath for 1: Bad file descriptor
>>> libxl: error: libxl_xshelp.c:109:libxl__xs_get_dompath failed to get
>>> dompath for 0: Bad file descriptor
>>> libxl: error: libxl_device.c:116:libxl__device_generic_add xs transaction
>>> failed: Bad file descriptor
>>> libxl: error: libxl_xshelp.c:109:libxl__xs_get_dompath failed to get
>>> dompath for 1: Bad file descriptor
>>> libxl: error: libxl_xshelp.c:109:libxl__xs_get_dompath failed to get
>>> dompath for 0: Bad file descriptor
>>> libxl: error: libxl_device.c:116:libxl__device_generic_add xs transaction
>>> failed: Bad file descriptor
>>> libxl: error: libxl_xshelp.c:109:libxl__xs_get_dompath failed to get
>>> dompath for 1: Bad file descriptor
>>> libxl: error: libxl_xshelp.c:109:libxl__xs_get_dompath failed to get
>>> dompath for 0: Bad file descriptor
>>> libxl: error: libxl_device.c:116:libxl__device_generic_add xs transaction
>>> failed: Bad file descriptor
>>> libxl: error: libxl_xshelp.c:109:libxl__xs_get_dompath failed to get
>>> dompath for 1: Bad file descriptor
>>> libxl: error: libxl_xshelp.c:109:libxl__xs_get_dompath failed to get
>>> dompath for 0: Bad file descriptor
>>> libxl: error: libxl_device.c:116:libxl__device_generic_add xs transaction
>>> failed: Bad file descriptor
>>> libxl: error: libxl_xshelp.c:109:libxl__xs_get_dompath failed to get
>>> dompath for 1: Bad file descriptor
>>> xl: fatal error: libxl_create.c:487, rc=-3: libxl__create_device_model
>>> libxl: error: libxl_xshelp.c:109:libxl__xs_get_dompath failed to get
>>> dompath for 1: Bad file descriptor
>>> libxl: error: libxl.c:675:libxl_domain_destroy non-existant domain -1
>>>
>>>
>>> IMO a simple message like "xenstored is not running." would be enough.
>> xl now has a check and newer versions of the toolstack should display
>> similar message when you invoke an xl command.  Is it possible you are
>> using a slightly older version of the toolstack or directly invoking libxl
>> library elsewhere?
> 
> I'm currently on c/s 22834. Which c/s added the check you are talking about?
> 

http://xenbits.xen.org/staging/xen-unstable.hg?rev/eefb8e971be5

Kamala