Re: [REGRESSION] [2.6.37-rc1] Fan noise after suspend to ram/disk

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IMO, the only one that may cause this regression is commit
c57b62f5b1e6dd69ff8c96f6db7f86ea31c0e21f
some app may enable polling via procfs and update the thermal zone
status.

could you please attach the output of "grep . /proc/acpi/thermal/*/*" in
2.6.36 kernel?

thanks,
rui

On Sat, 2010-11-06 at 03:49 +0800, Maciej Rutecki wrote:
> On piÄtek, 5 listopada 2010 o 01:27:34 Zhang Rui wrote:
> > On Fri, 2010-11-05 at 00:06 +0800, Maciej Rutecki wrote:
> > > 1.
> > > Last known good kernel: 2.6.36
> > > Bad kernel: 2.6.37-rc1
> > > ===============================
> > > 
> > > 2. Problem:
> > > When I resume computer from s2ram/s2disk and current CPU temp is below
> > > lowest trip point, and -- from unknown reason -- fan start in maximum
> > > speed it doesn't turn off (it should).
> > 
> > could you please attach the output of "grep . /sys/class/thermal/*/*"
> > when this happens?
> >
> 
> Thanks for the answer.
> 
> maciek@gumis:~$ grep . /sys/class/thermal/*/*
> /sys/class/thermal/cooling_device0/cur_state:0
> /sys/class/thermal/cooling_device0/max_state:10
> /sys/class/thermal/cooling_device0/type:LCD
> /sys/class/thermal/cooling_device1/cur_state:0
> /sys/class/thermal/cooling_device1/max_state:10
> /sys/class/thermal/cooling_device1/type:Processor
> /sys/class/thermal/cooling_device2/cur_state:0
> /sys/class/thermal/cooling_device2/max_state:10
> /sys/class/thermal/cooling_device2/type:Processor
> /sys/class/thermal/cooling_device3/cur_state:1
> /sys/class/thermal/cooling_device3/max_state:1
> /sys/class/thermal/cooling_device3/type:Fan
> /sys/class/thermal/cooling_device4/cur_state:1
> /sys/class/thermal/cooling_device4/max_state:1
> /sys/class/thermal/cooling_device4/type:Fan
> /sys/class/thermal/cooling_device5/cur_state:1
> /sys/class/thermal/cooling_device5/max_state:1
> /sys/class/thermal/cooling_device5/type:Fan
> /sys/class/thermal/cooling_device6/cur_state:1
> /sys/class/thermal/cooling_device6/max_state:1
> /sys/class/thermal/cooling_device6/type:Fan
> /sys/class/thermal/thermal_zone0/cdev0_trip_point:1
> /sys/class/thermal/thermal_zone0/cdev1_trip_point:2
> /sys/class/thermal/thermal_zone0/cdev2_trip_point:3
> /sys/class/thermal/thermal_zone0/cdev3_trip_point:4
> /sys/class/thermal/thermal_zone0/mode:enabled
> /sys/class/thermal/thermal_zone0/passive:0
> /sys/class/thermal/thermal_zone0/temp:27000
> /sys/class/thermal/thermal_zone0/trip_point_0_temp:256000
> /sys/class/thermal/thermal_zone0/trip_point_0_type:critical
> /sys/class/thermal/thermal_zone0/trip_point_1_temp:78000
> /sys/class/thermal/thermal_zone0/trip_point_1_type:active
> /sys/class/thermal/thermal_zone0/trip_point_2_temp:70000
> /sys/class/thermal/thermal_zone0/trip_point_2_type:active
> /sys/class/thermal/thermal_zone0/trip_point_3_temp:60000
> /sys/class/thermal/thermal_zone0/trip_point_3_type:active
> /sys/class/thermal/thermal_zone0/trip_point_4_temp:50000
> /sys/class/thermal/thermal_zone0/trip_point_4_type:active
> /sys/class/thermal/thermal_zone0/type:acpitz
> /sys/class/thermal/thermal_zone1/cdev0_trip_point:1
> /sys/class/thermal/thermal_zone1/cdev1_trip_point:1
> /sys/class/thermal/thermal_zone1/mode:enabled
> /sys/class/thermal/thermal_zone1/temp:29000
> /sys/class/thermal/thermal_zone1/trip_point_0_temp:90000
> /sys/class/thermal/thermal_zone1/trip_point_0_type:critical
> /sys/class/thermal/thermal_zone1/trip_point_1_temp:87000
> /sys/class/thermal/thermal_zone1/trip_point_1_type:passive
> /sys/class/thermal/thermal_zone1/type:acpitz
> /sys/class/thermal/thermal_zone2/mode:enabled
> /sys/class/thermal/thermal_zone2/passive:0
> /sys/class/thermal/thermal_zone2/temp:23000
> /sys/class/thermal/thermal_zone2/trip_point_0_temp:105000
> /sys/class/thermal/thermal_zone2/trip_point_0_type:critical
> /sys/class/thermal/thermal_zone2/type:acpitz
> /sys/class/thermal/thermal_zone3/cdev0_trip_point:1
> /sys/class/thermal/thermal_zone3/cdev1_trip_point:1
> /sys/class/thermal/thermal_zone3/mode:enabled
> /sys/class/thermal/thermal_zone3/temp:20000
> /sys/class/thermal/thermal_zone3/trip_point_0_temp:90000
> /sys/class/thermal/thermal_zone3/trip_point_0_type:critical
> /sys/class/thermal/thermal_zone3/trip_point_1_temp:60000
> /sys/class/thermal/thermal_zone3/trip_point_1_type:passive
> /sys/class/thermal/thermal_zone3/type:acpitz
> /sys/class/thermal/thermal_zone4/mode:enabled
> /sys/class/thermal/thermal_zone4/passive:0
> /sys/class/thermal/thermal_zone4/temp:100000
> /sys/class/thermal/thermal_zone4/trip_point_0_temp:110000
> /sys/class/thermal/thermal_zone4/trip_point_0_type:critical
> /sys/class/thermal/thermal_zone4/type:acpitz
> 
> Regards
> -- 
> Maciej Rutecki
> http://www.maciek.unixy.pl


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