On Tuesday 07 April 2009 08:02:10 Chris Wright wrote: > * Alex Williamson (alex.williamson@xxxxxx) wrote: > > I'm wondering if we need a spot for device specific fixups for PCI > > pass-through. In the example below, I want to expose a single port of > > an Intel 82571EB quad port copper NIC to a guest. It works great until > > I shutdown the guest, at which point the guest e1000e driver knows by > > the device ID that the NIC is a quad port, and blindly attempts to > > twiddle some bits on the bridge above it (that doesn't exist). > > And what happens? And the output of DEVICE_ASSIGNMENT_DEBUG=1 may help. And I don't have trouble here with another dual/quad port card by Intel, but not 82571EB. > > > Obviously some robustness could be added to the driver, but would it > > make sense to do something like below and automatically remap these > > devices to identical single port device IDs? Thanks, > > Sounds quite fragile to me. Same here... We'd better to know what's happened. (wow, you even know the single port ones' device ID... :) ) -- regards Yang, Sheng -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
