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Re: [Xen-devel] Using VGA PT for nVidia, causes weird "*** int 15h function AX=5f14, BX=078f not yet supported!" messages to appear in qemu log file

  • To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
  • From: Tom Rotenberg <tom.rotenberg@xxxxxxxxx>
  • Date: Tue, 20 Oct 2009 15:52:00 +0200
  • Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Tue, 20 Oct 2009 06:52:49 -0700
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

ok... so, i guess it's not a problem...

On Tue, Oct 20, 2009 at 3:48 PM, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote:
> I think the vga BIO Shas a debug port it can write to that makes messages
> appear in qemu's log. It'll print a warning if an unsupported BIOS call is
> attempted (it's not always a problem if a BIOS call isn't supported). The
> ACPI hotplug messages are just informational, and come from qemu itself.
>  -- Keir
> On 20/10/2009 14:35, "Tom Rotenberg" <tom.rotenberg@xxxxxxxxx> wrote:
>> They are only during guest boot, and they stop appearing.
>> Do u have any idea why they appear? Is it somehow related to the vga BIOS?
>> On Tue, Oct 20, 2009 at 3:26 PM, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
>> wrote:
>>> On 20/10/2009 13:18, "Tom Rotenberg" <tom.rotenberg@xxxxxxxxx> wrote:
>>>> When i search the problem, i found similar messages in the qemu log
>>>> file, of other people which used the nVidia PT. For example:
>>>> http://lists.xensource.com/archives/html/xen-devel/2009-09/msg00285.html
>>>> http://article.gmane.org/gmane.comp.emulators.xen.devel/70827
>>>> Does anyone know why these messages appear, and what is the meaning of
>>>> them? Does it signal that there is a bug somewhere in the code?
>>> Do they keep coming out, or is it e.g., just during guest boot? I think they
>>> are harmless debug messages.
>>>  -- Keir

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