Public bug reported:

This problem exits in both Ubuntu 9.04 (Jaunty) and Ubuntu 9.10 Alpha 6
(Karmic).

Ubuntu hangs during startup with if I have either a USB mouse or
keyboard plugged in.  My current workaround is to have both plugged into
their respective PS/2 ports.  This only happens with a USB mouse or
keyboard plugged in, boot is fine if I have a USB memory key plugged in,
for example.

The problem manifests itself in different ways depending on boot options
and version of Ubuntu.  To sum up:

32-bit text install CD - hangs at Choose Language page
32-bit text install CD with acpi=off - the error message "powernow-k8: Your 
BIOS does not provide ACPI _PSS objects in a way that Linux understands. Please 
report this to the Linux ACPI maintainers and complain to your BIOS vendor" 
flashes, then install hangs at Choose Language page
32-bit regular install CD - hangs with the message "Starting bluetooth"
32-bit regular install CD with acpi=off - eventually get the first install 
desktop page but system hangs, mouse and keyboard unresponsive

My hardware:

AMD Athlon 64 X2 3800+ processor
Asus M2NPV-VM motherboard (GeForce 6150 NForce 430 chipset) - flashed with the 
latest BIOS version 1401 dated 2008/08/25
4 GB RAM
eVGA GeForce 8800 GT PCI-e video card

I'm guessing the "ACPI _PSS objects" error message appears to be most
informative one.  If the problem is the BIOS provided with my
motherboard, how should I report this problem to Asus so that it gets
fixed?  Any patches or updates I could do to fix this problem on my
system?  Thanks!

** Affects: ubuntu
     Importance: Undecided
         Status: New

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Ubuntu hangs during startup with plugged in USB mouse/keyboard
https://bugs.launchpad.net/bugs/437360
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