On June 15, 2016 7:49 PM, < wei.l...@citrix.com > wrote:
> On Tue, Jun 14, 2016 at 12:32:19PM +0200, Andrea Genuise wrote:
> [...]
> > libxl: debug: libxl_aoutils.c:88:xswait_timeout_callback: backend
> > /local/domain/748/backend/vtpm/749/0/state (hoping for state change to
> 6):
> > xswait timeout (path=/local/domain/748/backend/vtpm/749/0/state)
> > libxl: debug: libxl_event.c:677:libxl__ev_xswatch_deregister: watch
> > w=0x1c4c1f0 wpath=/local/domain/748/backend/vtpm/749/0/state
> token=3/0:
> > deregister slotnum=3
> > libxl: debug: libxl_event.c:867:devstate_callback: backend
> > /local/domain/748/backend/vtpm/749/0/state wanted state 6 timed out
>
> This. The toolstack is waiting for the state to change to 6. But that never
> happened.
>
> > libxl: debug: libxl_event.c:691:libxl__ev_xswatch_deregister: watch
> > w=0x1c4c1f0: deregister unregistered
> > libxl: debug: libxl_device.c:937:device_backend_callback: calling
> > device_backend_cleanup
> > libxl: debug: libxl_event.c:691:libxl__ev_xswatch_deregister: watch
> > w=0x1c4c1f0: deregister unregistered
> > libxl: debug: libxl_device.c:943:device_backend_callback: Timeout
> > reached, initiating forced remove
>
> I think this is due to interaction between frontend and backend, but I'm not
> an
> expert on vtpm so I don't have further comment.
>
Daniel, are you following this issue? --Quan
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