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Re: [Xen-devel] vm86 - DCC probes don't work

  • To: Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>
  • From: Jon Smirl <jonsmirl@xxxxxxxxx>
  • Date: Tue, 22 Feb 2005 18:38:38 -0500
  • Cc: Rik van Riel <riel@xxxxxxxxxx>, Stephan Diestelhorst <sd386@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxxx, ian.pratt@xxxxxxxxxxxx
  • Delivery-date: Tue, 22 Feb 2005 23:39:31 +0000
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vbetool uses the same lrmi library as ddcprobe it might be easier to debug.


On Tue, 22 Feb 2005 22:59:19 -0000, Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx> wrote:
> > I wonder if we're just not mapping certain physical addresses
> > into vm86 mode (in domain 0) that the program expects there to
> > be ...
> If ddcprobe is using vm86 mode shouldn't it be mapping the appropriate
> section of /dev/mem that it expects the 16bit code to access? Its not
> attempting BIOS calls is it?
> BTW, where are the 'moving parts' of ddcprobe? I can only find the
> python wrapper.
> Ian

Jon Smirl

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