[Xen-devel] Console output stopped working in Mini-OS

[Melvin Anderson <Melvin.Anderson@xxxxxx>]

Console output has stopped working in mini-os (architecture i386,
changeset 11440:bfd00b317815), although output to the serial line using
the console_io hypercall still works.

Setting XEN_INTERFACE_VERSION to 0x00030201 in the Mini-OS makefile gets
console output working again, although I don't guarantee it doesn't
break other things.  

The update from 0x00030201 to 0x00030202 introduced a change in the
event_channel_op hypercall.  The Mini-OS console driver raises an event
to indicate data has been written into the console ring.  Is it possible
that the Mini-OS console driver isn't using the new event channel
hypercall interface correctly?

Regards,

Melvin Anderson.



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