i am also having this problem
system is an AMD phenom 9950 quad core x64 , 6 gb ram
Motherboard NameAsus M4N72-E
North Bridge: AMD K10 IMC
South Bridge: nVIDIA nForce 750a SLI (MCP72P)
useing lucid 2.6.22 / 2.6.32 amd 64
seems to me that it was fine with 2.6.22 and after update to
confirmed that its definatly a 2.6.32 problem/bug
used 2.6.22 all night trying to make it freeze
and i mean i ran everything i have installed all at one time and not a
problem
so i restarted and logged into 2.6.32 and withing 2 min. keyboard started
repeating letters but everything was
*** This bug is a duplicate of bug 528720 ***
https://bugs.launchpad.net/bugs/528720
same here i also tried the purge irq balance but that did not help
same thing freezes sometimes at login ,sometimes after login and has
gotten worse
--
keyboard and/or mouse freezing