Comment 14 for bug 197267

I am seeing this error at boot with Ubuntu 9.04. I have followed the instructions at https://wiki.ubuntu.com/DebuggingACPI with the following results:

acpi=off results in different errors appearing at boot as well as no response from my ethernet controller.
acpi=ht same as above
pci=noacpi results in above as well as seeing the error "Invalid PBLK length [5]"
acpi=noirq same as above
pnpacpi=off results in just the Invalid PBLK length error (ethernet works fine)
noapic same as above
nolapic same as above

My motherboard: ASUS P4S800 ACPI BIOS Revision 1011beta