> -----Original Message-----
> From: Andrew Cooper [mailto:andrew.coop...@citrix.com]
> Sent: 30 July 2015 14:19
> To: Paul Durrant; Roger Pau Monne; xen-devel
> Subject: Re: [BUG] Emulation issues
> 
> On 30/07/15 14:12, Paul Durrant wrote:
> >> (XEN) io.c:165:d19v0 Weird HVM ioemulation status 1.
> >> (XEN) domain_crash called from io.c:166
> >> (XEN) d19v0 weird emulation state 1
> >> (XEN) io.c:165:d19v0 Weird HVM ioemulation status 1.
> >> (XEN) domain_crash called from io.c:166
> >> (XEN) d19v0 weird emulation state 1
> >> (XEN) io.c:165:d19v0 Weird HVM ioemulation status 1.
> >> (XEN) domain_crash called from io.c:166
> >>
> > Hmm. Can't understand how that's happening... handle_pio() shouldn't be
> called unless the state is STATE_IORESP_READY and yet the inner function is
> hitting the default case in the switch.
> 
> Sounds like something is changing the state between the two checks.  Is
> this shared memory writeable by qemu?
> 

No, this is the internal state. I really can't see how it's being changed.

  Paul

> ~Andrew
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