Re: [lm-sensors] w83627ehf: Wrong values reported after resuming from suspend/hibernation

[Jean Delvare <khali@linux-fr.org>]

On Thu, 25 Oct 2012 19:26:45 +0200, Harald Judt wrote:
> Am 24.10.2012 21:23, schrieb Jean Delvare:
> > To be really sure, it would be good if you could set arbitrary non-zero
> > limits to in1, in4, in5 etc. otherwise we can't be sure these limits
> > have been restored either.
> 
> Good idea. Here is the corresponding part of my adjusted 
> /etc/sensors3.conf file:
> 
> chip "w83627ehf-*" "w83627dhg-*" "w83667hg-*" "nct6775-*" "nct6776-*"
> 
>      label in0 "Vcore"
>      label in2 "AVCC"
>      label in3 "+3.3V"
>      label in7 "3VSB"
>      label in8 "Vbat"
> 
>      set in0_min  0.5 * 1.00
>      set in0_max  2.0 * 1.00
>      set in1_min  1.6 * 1.00
>      set in1_max  1.95 * 1.00
>      set in2_min  2.0 * 1.00
>      set in2_max  3.5 * 1.00
>      set in3_min  2.0 * 1.00
>      set in3_max  3.5 * 1.00
>      set in4_min  0.8 * 1.00
>      set in4_max  1.2 * 1.00
>      set in5_min  1.5 * 1.00
>      set in5_max  1.95 * 1.00
>      set in7_min  2.0 * 1.00
>      set in7_max  3.5 * 1.00
>      set in8_min  2.0 * 1.00
>      set in8_max  3.5 * 1.00
> 
> There are some limits for min/max values, e.g. in5_max will get reset to 
> 2.04 if you try to use a higher value. Therefore I've set it to 0.95 to 
> avoid any confusion.
> 
> So, here are the results after sensors -s:
> 
> nct6776-isa-0290
> Adapter: ISA adapter
> Vcore:         +0.96 V  (min =  +0.50 V, max =  +2.00 V)
> in1:           +1.84 V  (min =  +1.60 V, max =  +1.95 V)
> AVCC:          +3.34 V  (min =  +2.00 V, max =  +3.50 V)
> +3.3V:         +3.34 V  (min =  +2.00 V, max =  +3.50 V)
> in4:           +1.05 V  (min =  +0.80 V, max =  +1.20 V)
> in5:           +1.68 V  (min =  +1.50 V, max =  +1.95 V)
> 3VSB:          +3.47 V  (min =  +2.00 V, max =  +3.50 V)
> Vbat:          +3.31 V  (min =  +2.00 V, max =  +3.50 V)
> 
> And after resume:
> nct6776-isa-0290
> Adapter: ISA adapter
> Vcore:         +0.96 V  (min =  +0.00 V, max =  +1.74 V)
> in1:           +1.84 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
> AVCC:          +3.34 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
> +3.3V:         +3.34 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
> in4:           +1.05 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
> in5:           +1.68 V  (min =  +0.00 V, max =  +0.00 V)  ALARM
> 3VSB:          +3.47 V  (min =  +2.00 V, max =  +3.50 V)
> Vbat:          +3.31 V  (min =  +2.00 V, max =  +3.50 V)
> 
> Apparently, in0-in5 do not get restored, only in7 and in8 do. There is 
> no in6 on this chip (verified by looking in /sys/class/hwmon).

I don't get it. I have double checked my code and I don't see how this
is possible. Plus Guenter's testing was successful...

Are you 100% certain that the above test was with my driver and not the
one shipping with your distribution kernel?

-- 
Jean Delvare

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