There isn't an issue with the driver, it is actually functional. The problem is that the levels defined are drastically different in speed as seen here: r...@thinkpad:/sys/bus/platform/drivers/thinkpad_hwmon# echo 'level 4' > /proc/acpi/ibm/fan r...@thinkpad:/sys/bus/platform/drivers/thinkpad_hwmon# cat /proc/acpi/ibm/fanstatus: enabled speed: 3928 level: 4 commands: level <level> (<level> is 0-7, auto, disengaged, full-speed) commands: enable, disable commands: watchdog <timeout> (<timeout> is 0 (off), 1-120 (seconds)) r...@thinkpad:/sys/bus/platform/drivers/thinkpad_hwmon# echo 'level 3' > /proc/acpi/ibm/fan r...@thinkpad:/sys/bus/platform/drivers/thinkpad_hwmon# cat /proc/acpi/ibm/fanstatus: enabled speed: 3829 level: 3 commands: level <level> (<level> is 0-7, auto, disengaged, full-speed) commands: enable, disable commands: watchdog <timeout> (<timeout> is 0 (off), 1-120 (seconds)) r...@thinkpad:/sys/bus/platform/drivers/thinkpad_hwmon# echo 'level 2' > /proc/acpi/ibm/fan r...@thinkpad:/sys/bus/platform/drivers/thinkpad_hwmon# cat /proc/acpi/ibm/fanstatus: enabled speed: 3371 level: 2 commands: level <level> (<level> is 0-7, auto, disengaged, full-speed) commands: enable, disable commands: watchdog <timeout> (<timeout> is 0 (off), 1-120 (seconds)) r...@thinkpad:/sys/bus/platform/drivers/thinkpad_hwmon# echo 'level 1' > /proc/acpi/ibm/fan r...@thinkpad:/sys/bus/platform/drivers/thinkpad_hwmon# cat /proc/acpi/ibm/fanstatus: enabled speed: 1739 level: 1 commands: level <level> (<level> is 0-7, auto, disengaged, full-speed) commands: enable, disable commands: watchdog <timeout> (<timeout> is 0 (off), 1-120 (seconds)) r...@thinkpad:/sys/bus/platform/drivers/thinkpad_hwmon#
Perhaps a change in the detection of levels would help but I am unsure of how the levels are defined by the driver. -- thinkpad-acpi X200 Thinkpad fan fails to spin down . https://bugs.launchpad.net/bugs/380303 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
