On Wed, Jul 30, 2008 at 09:08:53PM +0200, Sebastian Pohl wrote: > Hi there! > > In the process of havin multiple issues with acpi and drivers on my Sony > laptop i stepped into another. The internal fan is always running at a > fixed speed. If theres much CPU load it also speeds up. But i have no the fan is controlled by the bios on most (all those that I know of) vaios. > way to alter the speed. It always changes back to some sort of default > value. Are there other ways to change the fanspeed than spicctrl with > the sonypi module or direct echoing to the fan files made by the acpi > stuff? the bios doesn't expose any fancontrol feature, with sonypi or sony-laptop you can use spicctrl or, with sony-laptop only, /sys/devices/platform/sony-laptop/fanspeed to increase the fan speed for a while but the bios usually brings it back to the required speed. > This could be dangerous for the hardware as it seems like it doesnt > speed up to the highest level so the laptop gets very hot. Also it > negatively affects the battery uptime. does the laptop shuts down because of overheating? What temperature reading do you get from the acpi thermal zones? cheers -- mattia :wq! -- 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