From: Alexander Graf <agraf@suse.de>
To: Kenni Lund <kenni@kelu.dk>
Cc: Chris Wright <chrisw@redhat.com>, kvm list <kvm@vger.kernel.org>
Subject: Re: PCI passthrough resource remapping
Date: Wed, 31 Mar 2010 14:24:50 +0200 [thread overview]
Message-ID: <4BB33F12.1060908@suse.de> (raw)
In-Reply-To: <y2r3b1f68ef1003310443m80ee189arb720147d3945d747@mail.gmail.com>
Kenni Lund wrote:
> 2010/3/31 Kenni Lund <kenni@kelu.dk>:
>
>> Booting the guest and tuning to a DVB-T channel _works_ !!! :-D Thanks
>> a lot for your help...I have one more question, though: If I have two
>> devices (like the ivtv tuner and the USB card) and they share an IRQ,
>> if I then assign BOTH of them to the same guest, will it then work?
>>
>> Alexander, the patch works, I hope to see it in a stable release in
>> the near future ;)
>>
>
> Unfortunately, I have a correction to this :( It _almost_ works. I had
> some video/audio artifacts which I though was caused by bad reception,
> but after switching the DVB-T tuner back and forth between the PCI USB
> card and a laptop, it got clear to me, that this was a passthrough
> issue. I get no errors in dmesg on the host or in the guest.
>
> I recorded a short videoclip which illustrates the issue:
> https://docs.google.com/leaf?id=0B-_nZameGeN-NDk4YzQ3N2EtMmEzMi00NTU4LWFjMjgtNzkxMzcxYzg2MTM1&hl=en
>
Hrm, I'm not sure these would be related to the small BAR region patch.
It looks more like a timing issue.
Alex
next prev parent reply other threads:[~2010-03-31 12:24 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-09 2:45 PCI passthrough resource remapping Ryan C. Underwood
2010-01-09 3:22 ` Alexander Graf
2010-01-10 21:53 ` Ryan C. Underwood
2010-01-10 22:15 ` Ryan C. Underwood
2010-01-14 13:59 ` Avi Kivity
2010-01-14 15:26 ` Ryan C. Underwood
2010-01-14 15:34 ` Avi Kivity
2010-01-14 15:47 ` Michael S. Tsirkin
2010-01-14 15:54 ` Avi Kivity
2010-01-14 18:31 ` Ryan C. Underwood
2010-01-14 19:09 ` Avi Kivity
2010-01-14 19:34 ` Ryan C. Underwood
2010-01-16 9:23 ` Avi Kivity
2010-01-15 13:11 ` Pasi Kärkkäinen
2010-01-15 13:15 ` Alexander Graf
2010-03-26 2:37 ` Kenni Lund
2010-03-26 3:00 ` Brian Jackson
2010-03-29 17:23 ` Kenni Lund
2010-03-29 19:17 ` Alexander Graf
2010-03-29 23:00 ` Kenni Lund
2010-03-29 23:12 ` Alexander Graf
2010-03-29 23:47 ` Chris Wright
2010-03-30 0:21 ` Kenni Lund
2010-03-30 2:08 ` Chris Wright
2010-03-30 22:27 ` Kenni Lund
2010-03-30 22:29 ` Alexander Graf
2010-03-30 23:52 ` Kenni Lund
2010-03-31 0:59 ` Chris Wright
2010-03-30 23:58 ` Chris Wright
2010-03-31 0:47 ` Kenni Lund
2010-03-31 1:32 ` Chris Wright
2010-03-31 10:07 ` Kenni Lund
2010-03-31 15:15 ` Chris Wright
2010-03-31 11:43 ` Kenni Lund
2010-03-31 12:24 ` Alexander Graf [this message]
2010-03-31 13:04 ` Kenni Lund
2010-03-31 15:18 ` Chris Wright
2010-03-31 15:23 ` Alexander Graf
2010-04-07 5:52 ` Avi Kivity
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