> That mode is set compile-time. Try grepping from /boot/config-kernelversion.
> grep CONFIG_XEN_PCIDEV_BACKEND configfile
Seems to be set:
root@domU:~# grep CONFIG_XEN_PCIDEV_BACKEND /boot/config-2.6.32-5-xen-amd64
CONFIG_XEN_PCIDEV_BACKEND=y
CONFIG_XEN_PCIDEV_BACKEND_VPCI=y
# CONFIG_XEN_PCIDEV_BACKEND_PASS is not set
# CONFIG_XEN_PCIDEV_BACKEND_SLOT is not set
# CONFIG_XEN_PCIDEV_BACKEND_CONTROLLER is not set
>Also did
you try with a self-compiled dom0 kernel?:
>http://wiki.xensource.com/xenwiki/XenParavirtOps>http://wiki.xensource.com/xenwiki/XenPCIpassthroughNot yet, as I am not too firm with kernel compiling and the "official xen wiki" states that kernel 2.6.32-5-xen-amd64 contains the PCI -BACKEND DRIVER:
"Here's a list of the kernels that have the Xen pcifront driver included.
(...)
Debian squeeze 2.6.32-xen. "