Apologies if people are getting this e-mail twice. Because it had an attachment, I think it got deleted from list distribution. On 2019.11.16 23:35 Doug Smythies wrote: > On 2019.10.16 03:41 Rafael J. Wysocki wrote: > > ... deleted ... > > Hi Rafael, > > Not sure, but I think it is this one that > causes complaining when I try to set the > intel_pstate driver to passive mode. > I started from active mode, powersave governor, > no HWP. > > Kernel: 5.4-rc7 > > I did not go back and try previous 5.4 RCs. > I did try kernel 5.3-rc8, because I already had > it installed, and it worked fine. > > I use a script (for years), run as sudo: > > doug@s15:~/temp$ cat set_cpu_passive > #! /bin/bash > cat /sys/devices/system/cpu/intel_pstate/status > echo passive > /sys/devices/system/cpu/intel_pstate/status > cat /sys/devices/system/cpu/intel_pstate/status > > And I get this (very small excerpt): > > freq_qos_add_request() called for active request > WARNING: CPU: 1 PID: 2758 at kernel/power/qos.c:763 freq_qos_add_request+0x4c/0xa0 > CPU: 1 PID: 2758 Comm: set_cpu_passive Not tainted 5.4.0-rc7-stock #727 > Failed to add freq constraint for CPU0 (-22) > > freq_qos_add_request() called for active request > WARNING: CPU: 1 PID: 2758 at kernel/power/qos.c:763 freq_qos_add_request+0x4c/0xa0 > CPU: 1 PID: 2758 Comm: set_cpu_passive Tainted: G W 5.4.0-rc7-stock #727 > Failed to add freq constraint for CPU1 (-22) > > ... > > I'll attach the whole thing, but it will likely get removed > from the general list e-mails. > > ... Doug I forgot to mention, other than the error messages, things seems to work fine. If anyone wants to see what was the attachment, it is here (for a few days): http://www.smythies.com/~doug/temp_kernel/rjw.txt