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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Paul Durrant <Paul.Durrant@citrix.com>,
	Roger Pau Monne <roger.pau@citrix.com>,
	xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [BUG] Emulation issues
Date: Thu, 30 Jul 2015 14:19:03 +0100	[thread overview]
Message-ID: <55BA2447.90407@citrix.com> (raw)
In-Reply-To: <9AAE0902D5BC7E449B7C8E4E778ABCD02F560050@AMSPEX01CL02.citrite.net>

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?

~Andrew

  reply	other threads:[~2015-07-30 13:19 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-29 10:17 [BUG] Emulation issues Roger Pau Monné
2015-07-29 10:27 ` Paul Durrant
2015-07-29 10:36   ` Roger Pau Monné
2015-07-29 10:37     ` Paul Durrant
2015-07-29 12:08     ` Andrew Cooper
2015-07-29 12:41     ` Paul Durrant
2015-07-29 13:54       ` Roger Pau Monné
2015-07-30 10:12         ` Paul Durrant
2015-07-30 10:16           ` Roger Pau Monné
2015-07-30 10:21             ` Paul Durrant
2015-07-30 10:59               ` Paul Durrant
2015-07-30 13:06                 ` Roger Pau Monné
2015-07-30 13:12                   ` Paul Durrant
2015-07-30 13:19                     ` Andrew Cooper [this message]
2015-07-30 13:20                       ` Paul Durrant
2015-07-31 10:22                         ` Paul Durrant
2015-07-31 11:11                           ` Sander Eikelenboom
2015-07-31 11:39                             ` Roger Pau Monné
2015-07-31 11:39                             ` Paul Durrant
2015-07-31 11:41                               ` Roger Pau Monné
2015-07-31 11:42                                 ` Paul Durrant
2015-07-31 12:21                                   ` Paul Durrant
2015-07-31 14:19                                     ` Paul Durrant
2015-07-31 15:15                                       ` Roger Pau Monné
2015-07-30 10:24             ` Andrew Cooper
2015-07-30 10:27               ` Andrew Cooper

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