[Xen-devel] error: xl pci-attach assign pci to vm

[topperxin <topperxin@xxxxxxx>]

Hi all

       Now I'm dong the sriov on the xen 4.1

       when I try to do the following cmd: 

       I got some errors like below:

       # xl pci-attach 7 0000:03:10.2

       libxl: error: libxl_pci.c:750:libxl_device_pci_reset The kernel doesn't support reset from sysfs for PCI device 0000:03:10.2

       libxl: error: libxl_device.c:470:libxl__wait_for_device_model Device Model not ready

       what's wrong?

       The guest os I'm using is Centos 6.3, hvm type, I have already installed the pv-drivers for it. when I execute lspci in the vm, it looks no problem.

       what's wrong, please help, thanks.

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