Re: [Xen-API] Bug#674161: xcp-xapi: 'the device disappeared from xenstore' message during vbd-plug (vm-start)

[George Shuklin <george.shuklin@xxxxxxxxx>]

On 23.05.2012 22:44, Dave Scott wrote:
> xenstore-write /local/domain/0/vm hello
Yes, it plugged successfully (at least no error messages).

I saw that code in  device.ml (where exception was raised), it seems be 
checking that path in xenstore:
                (* Sanity check: ensure the backend domain exists *)
                let _ =
                        try
                                let (_: string) = t.Xst.read (sprintf 
"/local/domain/%d/vm" device.backend.domid) in
                                ()
                        with Xenbus.Xb.Noent ->
                                raise (Device_backend_vanished device) in


But even I was successfull, I unable to perform any IO in guest domain 
(I've get into initrd but I see no /dev/xvd* devices and no messages in 
dmesg related to new device).
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