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Re: [Xen-devel] Dom0 with kernel 3.x and nvidia driver

On Fri, Feb 17, 2012 at 09:57:18AM +0100, Ge@@ru wrote:
> Hi,
> I have a problem on use nvidia driver inside xen-dom0 kernel, version
> 3.x (I do test with this version: 3.0.18, 3.1.5, 3.2.5.
> Compilation of the driver is done without errors and yet load of the
> kernel driver is done correctly, but when I try to start X... I have
> first a black screen and then monitor that go on standby status. It
> seems that video card doesn't initialize correctly vga port.
> I don't think that problem is on xorg server and I don't understand if
> problem is on nvidia kernel driver because, same xorg-server, same
> kernel image and same nvidia kernel module works fine if kernel is
> bootstrap without xen hypervisor.

Hm, strange. I have the problem where the nvidia driver won't work with 3.2
at all - baremetal or Xen.

> Could be relative to a wrong configuration on pass-through of the video
> card bus from hypervisor to dom0 ? Is it correct speak of pass-through
> yet on dom0 or pass-through is only for domU domain?
> Same nvidia kernel driver works correctly on dom0 if I use
> kernel-2.6.38-xen (gentoo ebuild).
> Any suggestions ?
> Thanks in advance
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