I'm working on assigning Intel graphics to a guest OS in Xen/KVM environment. Before assigning the device to the guest OS, I need to first unbind the i915 driver from the device in the host kernel.
If I unbind the i915 driver by doing "echo -n 0000:00:02.0 > /sys/bus/pci/devices/0000:00:02.0/driver/unbind", I get a kernel oops with no stack trace. Is this something theoretically allowed? I have also tried to prevent the i915 driver from loading by renaming the drm directory in /lib/modules to drm.0. However, i915 driver is still loaded from somewhere, I don't know how it can happen. Is there a easy way to disable the i915 driver in the kernel? Allen
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