I too have a motherboard with the ATI xpress 200 chipset. I attempted lasercat's settings and tried "acpi=off irqpoll" with no success on Edgy Eft which uses the 2.6.17 kernel. As of 2.6.16, there are some fixes with IRQ issues being resolved but the problem as a whole still exists with ACPI.
Ubuntu Edgy Eft Knot 1: acpi=off irqpoll MP-BIOS bug: 8254 timer not connected to IO-APIC PCI Cannot allocate resource region 3 of device -- freeze at startup https://launchpad.net/bugs/38263 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
