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

[Kamala Narasimhan <kamala.narasimhan@xxxxxxxxx>]

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?

Kamala

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