Re: [Xen-users] xen, pvops & nvidia graphics

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Jan 19, 2010 at 09:31:27PM +0100, JÃrn Odberg wrote:
>    Hello, and thanks for the reply.
> 
>    I've added this to my grub (it may be redundant, but I got different
>    advices, so I added them all;):
> 
>    title Xen / Gentoo Linux 2.6.31-xen-r10 IOMMU
>    root (hd0,0)
>    kernel /boot/xen.gz iommu=1 vtd=1
>    module /boot/vmlinuz-2.6.31-xen-r10 root=/dev/md2 pciback.permissive

Oh, it looks like you're not using pv_ops dom0 kernel, but gentoo kernel with 
xenlinux patches from opensuse.

Then you can forget my xen-pciback comment.

>    xen-pciback.hide=(01:00.0)(08:00.0)(09:00.0)
>    pciback.hide=(01:00.0)(08:00.0)(09:00.0) guestdev=01:00.0,08:00.0,09:00.0
>    reassign_resources console=tty0
> 
>    And I have installed Xen 3.4.2-r1.
> 
>    xm dmesg , shows:
>    (XEN) Command line: iommu=1 vtd=1
>    (XEN) VMX: Supported advanced features:
>    (XEN)Ã  - APIC MMIO access virtualisation
>    (XEN)Ã  - APIC TPR shadow
>    (XEN)Ã  - Virtual NMI
>    (XEN)Ã  - MSR direct-access bitmap
>    (XEN) HVM: VMX enabled
>    (XEN) I/O virtualisation disabled
> 

Please paste the full "xm dmesg", that doesn't show why it's disabled in Xen 
hypervisor.

Did you enable VT-d in BIOS?

-- Pasi

>    // JÃÅrn
> 
>    On Tue, Jan 19, 2010 at 7:19 PM, Pasi KÃârkkÃâinen <[1]pasik@xxxxxx>
>    wrote:
> 
>      On Tue, Jan 19, 2010 at 02:49:52PM +0100, JÃÅrn Odberg wrote:
>      > Ã  Ã Hello.
>      >
>      > Ã  Ã I have this exact same problem myself.
>      >
>      > Ã  Ã (I have four onboard gigabit network cards, pci 05:00.0, 06:00.0,
>      07:00.0
>      > Ã  Ã and 08:00.0)
>      > Ã  Ã I tried using pciback.hide=(06:00.0)(07:00.0) . And in dom0, I
>      now get:
>      >
> 
>      In the recent pv_ops dom0 kernels pciback module is now called
>      xen-pciback,
>      so you need to change that to xen-pciback.hide.
> 
>      -- Pasi
>      > Ã  Ã xen ~ # ifconfig eth1
>      > Ã  Ã eth1: error fetching interface information: Device not found
>      >
>      > Ã  Ã And the same for eth2. So it apparently got "hidden", or
>      detached.
>      >
>      > Ã  Ã But the command "xm pci-list-assignable-devices" doesn't return
>      anything.
>      > Ã  Ã And when trying "xm pci-detach", I get the same error as you
>      (Cannot
>      > Ã  Ã detach when pci platform does not exist). Even though I've
>      compiled in all
>      > Ã  Ã the support I can think of in the kernel.
>      >
>      > Ã  Ã Running:
>      > Ã  Ã Gentoo 2.6.31-xen-r10
>      > Ã  Ã xen-3.4.2-r1
>      >
>      > Ã  Ã // JÃ*ÃÅrn
>      >
>      > Ã  Ã On Mon, Dec 21, 2009 at 10:22 PM, Kai Wohlfahrt
>      <[1][2]kjw53@xxxxxxxxx>
>      > Ã  Ã wrote:
>      >
>      > Ã  Ã  Ã Still no luck with that. My grub entry looks like so:
>      >
>      > Ã  Ã  Ã  Ã  Ã menuentry "Xen-Unstable / Kubuntu 9.10 kernel 2.6.31.6
>      pvops" {
>      >
>      > Ã  Ã  Ã  Ã  Ã insmod ext2
>      >
>      > Ã  Ã  Ã  Ã  Ã set root=(hd0,1)
>      >
>      > Ã  Ã  Ã  Ã  Ã multiboot (hd0,1)/boot/xen.gz dom0_mem=1048M iommu=force
>      >
>      > Ã  Ã  Ã  Ã  Ã module (hd0,1)/boot/vmlinuz-2.6.31.6-xen
>      xen-pciback.hide=(01:00.0)
>      >
>      > Ã  Ã  Ã  Ã  Ã module (hd0,1)/boot/initrd.img-2.6.31.6-xen
>      >
>      > Ã  Ã  Ã  Ã  Ã }
>      >
>      > Ã  Ã  Ã but my lspci still looks the same (i.e. it still has the line:
>      01:00.0
>      > Ã  Ã  Ã VGA compatible controller: nVidia Corporation G96 [GeForce GT
>      130M] (rev
>      > Ã  Ã  Ã a1)).
>      > Ã  Ã  Ã Using xm pci-detach still gives the same error as well (Error:
>      Cannot
>      > Ã  Ã  Ã detach when pci platform does not exist)
>      > Ã  Ã  Ã Kai
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>      >
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>      >
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