According to the forum this looks like it was resolved by using
acpi=off.
** Changed in: linux-source-2.6.17 (Ubuntu)
Status: Unconfirmed => Fix Released-- kernel 2.6.17 AMD is not detecting all devices in PCI bus on an HP xw9300 with SLI https://launchpad.net/bugs/68666 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
