From: Markus Armbruster <armbru@redhat.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: qemu list <qemu-devel@nongnu.org>, Laine Stump <laine@redhat.com>
Subject: Re: [Qemu-devel] default slot used for vga device on q35 machines
Date: Fri, 02 Aug 2013 09:23:58 +0200 [thread overview]
Message-ID: <87pptwimi9.fsf@blackfin.pond.sub.org> (raw)
In-Reply-To: <51FB5672.4070907@redhat.com> (Gerd Hoffmann's message of "Fri, 02 Aug 2013 08:49:22 +0200")
Gerd Hoffmann <kraxel@redhat.com> writes:
> Hi,
>
>> qemu-kvm -M q35 -nodefaults -nodefconfig -qmp unix:/tmp/qemu,server
>> -vnc :15 -vga std -usb
>>
>> Then ran "query-pci" in the qmp monitor and found that the vga device is
>> put at slot 1 instead of slot 2.
>>
>> My questions:
>>
>> 1) Is this difference intentional, or a bug?
>
> The vga simply goes into the first free slot. That happens to be #2
> with i440fx and #1 with q35.
The slot used by -vga depends on the machine type, and can be expected
to remain stable. We've kept it stable even for the machine type family
i440FX.
Nevertheless, if you require the graphics adapter to go into a specific
slot, I very much recommend to control its placement with -device.
[...]
next prev parent reply other threads:[~2013-08-02 7:24 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-01 19:37 [Qemu-devel] default slot used for vga device on q35 machines Laine Stump
2013-08-02 6:49 ` Gerd Hoffmann
2013-08-02 7:23 ` Markus Armbruster [this message]
2013-08-02 16:46 ` Laine Stump
2013-08-02 17:30 ` Markus Armbruster
2013-08-03 19:32 ` Laine Stump
2013-08-05 6:31 ` Gerd Hoffmann
2013-08-05 15:04 ` Eric Blake
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