[Bug 48877] PS/2 keyboard does not work

[Guillaume Savaton]

Public bug reported:

This bug was detected at the first reboot after upgrading from Breezy to Dapper 6.06.
My computer is a desktop PC (motherboard ASUS P4PE-X) with an ordinary PS/2 keyboard and a USB mouse.

Typical scenario :
- No error during reboot.
- The GDM login screen appears
- Typing in the username text field has no effect at all.
- Num lock and Caps lock keys have no effect on the keyboard LEDs.

When booting in "recovery mode", there is no keyboard input in the
console either.

I tried to investigate the problem remotely by connecting another PC to my Ubuntu box through SSH.
Results : all logs seem to be fine.

I solved the problem by blacklisting the "psmouse" kernel module in
/etc/modprobe.conf/blacklist

I found this solution in an old thread at the following address :
http://www.ussg.iu.edu/hypermail/linux/kernel/9706.2/0162.html

** Affects: linux-source-2.6.15 (Ubuntu)
     Importance: High
         Status: Unconfirmed

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PS/2 keyboard does not work
https://launchpad.net/bugs/48877