Re: [Xen-users] upgrade to XL breaks passthrough

[Ghormoon <ghormoon@xxxxxxxxx>]

Hi,

Anything interesting on the devices in lspci -v?

Though it's true that some behaviour changed between xm and xl regarding passthrough.
I have problems with vga passthrough and my best guess so far is that way how the device is reset changed. (Bus/irq/msi)
I'm investigating it in my free time, but no meaningfull output yet.
Hope someone else knows more.

Regards,
Gh.

On Apr 22, 2015 12:59 PM, "Fatboy" <fatboy@xxxxxxxxxx> wrote:

Debian Wheezy, xen 4.1.4 using xm, passing video capture card works fine
(Zoneminder).

Dom0:
/etc/modprobe.d/xen-pciback.conf:

install bttv /sbin/modprobe xen-pciback; /sbin/modprobe --first-time
--ignore-install bttv
options xen-pciback
hide=(02:08.0)(02:08.1)(02:09.0)(02:09.1)(02:0a.0)(02:0a.1)(02:0b.0)(02:0b.1)

update-initramfs -u

Updated toolstack to xl, only one of 4 devices show and is listed as BDF
00:00.0

Tried:
Dom0:
/etc/default/grub (Xen snippet):

GRUB_CMDLINE_XEN_DEFAULT="vga=gfx-1024x768x8 dom0_mem=1G,max:1G
dom0_max_vcpus=1 dom0_vcpus_pin
xen-pciback.hide=(02:08.0)(02:08.1)(02:09.0)(02:09.1)(02:0a.0)(02:0a.1)(02:0b.0)(02:0b.1)"

update-grub

What am I missing here?








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