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 -- getting "ACPI Invalid PBLK Length 5" - message on Hardy Alpha 5 https://bugs.launchpad.net/bugs/197267 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs