<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [NVCF] PWM fan speed too high" href="https://bugs.freedesktop.org/show_bug.cgi?id=80901#c44">Comment # 44</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [NVCF] PWM fan speed too high" href="https://bugs.freedesktop.org/show_bug.cgi?id=80901">bug 80901</a> from <a class="email" href="mailto:kpschrage@gmx.de" title="K.-P. Schrage <kpschrage@gmx.de>"> K.-P. Schrage</a> <pre>(In reply to poma from <a href="show_bug.cgi?id=80901#c43">comment #43</a>) > There is no the GPU fan here, so I tested the CPU fan, and this is how it > works: > /etc/udev/rules.d/10-cpu-fan-manual-mode.rules > RUN+="/bin/sh -c '/bin/echo 1 > /sys/devices/platform/it87.656/pwm1_enable'" > > Therefore remove ACTION & ATTRS part, so it runs unconditionally. > > Before you reboot, check with: > # udevadm trigger Now my 10-...rules files in /etc/udev/rules.d/ looks like this: RUN+="/bin/sh -c '/bin/echo 1 > /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/hwmon/hwmon1/pwm1_enable'", RUN+="/usr/local/bin/nvapoke e118 80000002" During boot, it sounds as if it gets triggered several times (noise-silence-noise-silence), but it ends up with a silent gpu fan when the graphical desktop has started. Startup logs are flooded with messages like: nvapoke:473 conflicting memory types e8000000-f0000000 uncached-minus<->write-combining reserve_memtype failed [mem 0xe8000000-0xefffffff], track uncached-minus, req uncached-minus</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>