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

[Christoph Egger <Christoph.Egger@xxxxxxx>]

On Wednesday 09 February 2011 15:46:56 Kamala Narasimhan wrote:
> 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

This is c/s 22806. So my tree is new enough.

Christoph



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