Shi Jin wrote: > [cloudadmin@node2 ubuntu9.04]$ grep HOTPLUG_PCI config-2.6.28-14-generic > CONFIG_HOTPLUG_PCI=y > CONFIG_HOTPLUG_PCI_ACPI=m > CONFIG_HOTPLUG_PCI_ACPI_IBM=m > CONFIG_HOTPLUG_PCI_COMPAQ=m > CONFIG_HOTPLUG_PCI_COMPAQ_NVRAM=y > CONFIG_HOTPLUG_PCI_CPCI=y > CONFIG_HOTPLUG_PCI_CPCI_GENERIC=m > CONFIG_HOTPLUG_PCI_CPCI_ZT5550=m > CONFIG_HOTPLUG_PCI_FAKE=m > CONFIG_HOTPLUG_PCI_IBM=m > CONFIG_HOTPLUG_PCI_PCIE=y > CONFIG_HOTPLUG_PCI_SHPC=m .. > Do you see anything that should have been there in order for the udev to work? Make sure those things built as modules are actually loaded (probably acpi_pcihp for the kvm case). Other than that, you have a working kernel config and a non-working kernel config, so by changing them one step at a time to be more in sync (including loaded module lists), you should eventually be able to track down the difference... -jim -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html