Hi, > Thomas' guess is a good one. See if this is thermal related. > load your cpu with a copy of "cat /dev/zero > /dev/null > for each core. Listen for fans to speed up, I did so for 10 minutes and the temperatur never rose beyond 72 deg C. I also did some other work during that time. I couldn't get it to shutdown ... BTW, the system is a dual core 2GHz system. > grep . /proc/acpi/thermal*/*/* /proc/acpi/fan/*/* root@stacy:~# grep . /proc/acpi/thermal*/*/* /proc/acpi/fan/*/* /proc/acpi/thermal_zone/THRM/cooling_mode:<setting not supported> /proc/acpi/thermal_zone/THRM/polling_frequency:<polling disabled> /proc/acpi/thermal_zone/THRM/state:state: ok /proc/acpi/thermal_zone/THRM/temperature:temperature: 73 C /proc/acpi/thermal_zone/THRM/trip_points:critical (S5): 104 C grep: /proc/acpi/fan/*/*: No such file or directory wrt.to the last line (grep error) - the 'fan' modules is loaded but there are not files present in the /proc/acpi/fan directory. Also, when I see the shutdowns it occurs as you described above - the hardware shutdown. I've grepped my logfiles but there are no indication of ACPI anomalities. Best regards, Brian -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html