Hi David, > I am one of them. I have CC'ed your email to the lm-sensors mailing > list. Can you kindly include the CC in your future replies? That is > the correct mailing list to post this discussion on. Ok. Thanks. I will CC. > I recall seeing this problem before. The list archives have a similar > problem for an MSI 975x board: > http://lists.lm-sensors.org/pipermail/lm-sensors/2007-April/019545.html > http://lists.lm-sensors.org/pipermail/lm-sensors/2007-April/019566.html > > For that board, the solution was that the Intel ICH7 chip controlled > the fan using a GPIO pin. No. This isn't the same problem I have. He uses the 4-pin connector. I only use two case fans on normal 3-pin connectors which are controllable by Speedfan under Windows. > But he wasn't getting a "Permission denied" > error. Can you please double-check that you have permission to write > to the files? I'm not going to quiz you on your setup (SELinux? or a > problem in /etc/sudoers?) -- but I'll take your word for it that it's > a driver error and not a sysfs permissions error. Good point. I'm so stupid. I do a sudo echo "0" > pwm1. So echo "0" is executed as root but the file writing not. Ok as root it works. I can write something into actually pwm4 and the fan stops. But pwmconfig does not work either. It says: ------------------------------------------------------------ Found the following PWM controls: hwmon0/device/pwm1 hwmon0/device/pwm1_enable stuck to 1 Failed to set pwmhwmon0/device/pwm1 to full speed Something's wrong, check your fans! ------------------------------------------------------------ And if I try a echo "0" > pwm1_enable I get "bash: echo: write error: Invalid argument". echo "2" works. So I think this is one for you. Best Regards and thanks for help Alex
