Re: [Xen-devel] libxl: error handling before xenstored runs

[Kamala Narasimhan <kamala.narasimhan@xxxxxxxxx>]

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

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