Xen project Mailing List

On Tue, Jan 19, 2010 at 9:35 PM, Pasi KÃrkkÃinen <pasik@xxxxxx> wrote:

On Tue, Jan 19, 2010 at 09:31:27PM +0100, JÃrn Odberg wrote:
> Â ÂHello, and thanks for the reply.
>
> Â ÂI've added this to my grub (it may be redundant, but I got different
> Â Âadvices, so I added them all;):
>
> Â Âtitle Xen / Gentoo Linux 2.6.31-xen-r10 IOMMU
> Â Âroot (hd0,0)
> Â Âkernel /boot/xen.gz iommu=1 vtd=1
> Â Âmodule /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.

> Â Âxen-pciback.hide=(01:00.0)(08:00.0)(09:00.0)
> Â Âpciback.hide=(01:00.0)(08:00.0)(09:00.0) guestdev=01:00.0,08:00.0,09:00.0
> Â Âreassign_resources console=tty0
>
> Â ÂAnd I have installed Xen 3.4.2-r1.
>
> Â Âxm dmesg , shows:
> Â Â(XEN) Command line: iommu=1 vtd=1
> Â Â(XEN) VMX: Supported advanced features:

> Â Â(XEN)Ã Â- APIC MMIO access virtualisation
> Â Â(XEN)Ã Â- APIC TPR shadow
> Â Â(XEN)Ã Â- Virtual NMI
> Â Â(XEN)Ã Â- MSR direct-access bitmap

> Â Â(XEN) HVM: VMX enabled
> Â Â(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

> Â Â// JÃÅrn
>
> Â ÂOn Tue, Jan 19, 2010 at 7:19 PM, Pasi KÃârkkÃâinen <[1]pasik@xxxxxx>
> Â Âwrote:
>
> Â Â ÂOn Tue, Jan 19, 2010 at 02:49:52PM +0100, JÃÅrn Odberg wrote:
> Â Â Â> Ã ÂÃ Hello.
> Â Â Â>
> Â Â Â> Ã ÂÃ I have this exact same problem myself.
> Â Â Â>
> Â Â Â> Ã ÂÃ (I have four onboard gigabit network cards, pci 05:00.0, 06:00.0,
> Â Â Â07:00.0
> Â Â Â> Ã ÂÃ and 08:00.0)
> Â Â Â> Ã ÂÃ I tried using pciback.hide=(06:00.0)(07:00.0) . And in dom0, I

> Â Â Ânow get:
> Â Â Â>
>
> Â Â ÂIn the recent pv_ops dom0 kernels pciback module is now called
> Â Â Âxen-pciback,
> Â Â Âso you need to change that to xen-pciback.hide.
>
> Â Â Â-- Pasi

> Â Â Â> Ã ÂÃ xen ~ # ifconfig eth1
> Â Â Â> Ã ÂÃ eth1: error fetching interface information: Device not found
> Â Â Â>
> Â Â Â> Ã ÂÃ And the same for eth2. So it apparently got "hidden", or
> Â Â Âdetached.
> Â Â Â>
> Â Â Â> Ã ÂÃ But the command "xm pci-list-assignable-devices" doesn't return
> Â Â Âanything.
> Â Â Â> Ã ÂÃ And when trying "xm pci-detach", I get the same error as you
> Â Â Â(Cannot
> Â Â Â> Ã ÂÃ detach when pci platform does not exist). Even though I've
> Â Â Âcompiled in all
> Â Â Â> Ã ÂÃ the support I can think of in the kernel.
> Â Â Â>
> Â Â Â> Ã ÂÃ Running:
> Â Â Â> Ã ÂÃ Gentoo 2.6.31-xen-r10
> Â Â Â> Ã ÂÃ xen-3.4.2-r1
> Â Â Â>
> Â Â Â> Ã ÂÃ // JÃ*ÃÅrn
> Â Â Â>
> Â Â Â> Ã ÂÃ On Mon, Dec 21, 2009 at 10:22 PM, Kai Wohlfahrt
> Â Â Â<[1][2]kjw53@xxxxxxxxx>
> Â Â Â> Ã ÂÃ wrote:
> Â Â Â>
> Â Â Â> Ã ÂÃ ÂÃ Still no luck with that. My grub entry looks like so:
> Â Â Â>
> Â Â Â> Ã ÂÃ ÂÃ ÂÃ ÂÃ menuentry "Xen-Unstable / Kubuntu 9.10 kernel 2.6.31.6
> Â Â Âpvops" {
> Â Â Â>
> Â Â Â> Ã ÂÃ ÂÃ ÂÃ ÂÃ insmod ext2
> Â Â Â>
> Â Â Â> Ã ÂÃ ÂÃ ÂÃ ÂÃ set root=(hd0,1)
> Â Â Â>
> Â Â Â> Ã ÂÃ ÂÃ ÂÃ ÂÃ multiboot (hd0,1)/boot/xen.gz dom0_mem=1048M iommu=force
> Â Â Â>
> Â Â Â> Ã ÂÃ ÂÃ ÂÃ ÂÃ module (hd0,1)/boot/vmlinuz-2.6.31.6-xen

> Â Â Âxen-pciback.hide=(01:00.0)
> Â Â Â>

> Â Â Â> Ã ÂÃ ÂÃ ÂÃ ÂÃ module (hd0,1)/boot/initrd.img-2.6.31.6-xen
> Â Â Â>
> Â Â Â> Ã ÂÃ ÂÃ ÂÃ ÂÃ }
> Â Â Â>
> Â Â Â> Ã ÂÃ ÂÃ but my lspci still looks the same (i.e. it still has the line:
> Â Â Â01:00.0
> Â Â Â> Ã ÂÃ ÂÃ VGA compatible controller: nVidia Corporation G96 [GeForce GT
> Â Â Â130M] (rev
> Â Â Â> Ã ÂÃ ÂÃ a1)).
> Â Â Â> Ã ÂÃ ÂÃ Using xm pci-detach still gives the same error as well (Error:
> Â Â ÂCannot
> Â Â Â> Ã ÂÃ ÂÃ detach when pci platform does not exist)
> Â Â Â> Ã ÂÃ ÂÃ Kai
> Â Â Â> Ã ÂÃ ÂÃ _______________________________________________
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> Â Â Â>
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> Â Â Â>
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Re: [Xen-users] xen, pvops & nvidia graphics