Could you try to use acpi_skip_timer_override kernel option as suggested by Hqxriven at http://ubuntuforums.org/showpost.php?p=9612800&postcount=731 ? It seems to be working for me for now - 3 hours uptime.
Could you try to use acpi_skip_ timer_override kernel option as suggested by Hqxriven at http:// ubuntuforums. org/showpost. php?p=9612800& postcount= 731 ? It seems to be working for me for now - 3 hours uptime.