Open Radar

 
09-Oct-2009 11:00 AM Patrick Stein:
Summary: When using pmset to set the hibernate mode with a disksleep 0 and system sleep time you get an erromessage even though it's not really an error.

Steps to reproduce set Systemsleep to 10 , disksleep to 0 and then use pmset hibernatemode 0 :

#pmset -g                                                                                                                                   

Active Profiles:
Battery Power		-1
AC Power		-1*
Currently in use:
 womp		1
 lidwake	1
 halfdim	1
 sms		1
 hibernatefile	/var/vm/sleepimage
 disksleep	0
 sleep		57
 hibernatemode	0
 ttyskeepawake	1
 displaysleep	57
 acwake		0
 autorestart	0


#sudo pmset hibernatemode 0                                                                                                                                                   
Warning: Idle sleep timings for "AC Power" may not behave as expected.
- Disk sleep should be non-zero whenever system sleep is non-zero.


The code that is responsible for that is http://opensource.apple.com/source/PowerManagement/PowerManagement-31/pmset/pmset.c?f=text

line 660ff:

    if(sleep_time != 0)
    {
        if(dim_time > sleep_time || dim_time == 0) ret |= kInconsistentDisplaySetting;
    
        if(disk_time == 0) ret |= kInconsistentDiskSetting;
    }


I don't see it as inconsistency for the pmset hibernate mode there or for the disk to never spin down until system sleep.

Expected behaviour: no error message.



Best Regards - Patrick Stein 

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