I upgraded to 2.6.32-25 and the problem dissappeared for me.
To summarize : -23 is Ok, -24 has High CPU rhytmically pulsating, -25 is Ok again.
I upgraded to 2.6.32-25 and the problem dissappeared for me.
To summarize : -23 is Ok, -24 has High CPU rhytmically pulsating, -25 is Ok again.