[Pm-utils] No battery info after suspend

[Holger Macht]

On Fri, 2009-02-27 at 15:26 -0500, Don Harden wrote:
> Hello,
> 
> I have the following:
>   HP Pavilion dv7 laptop with an Intel Core2 Duo T9400 and 4 GB of RAM
>    Fedora 10  2.6.27.15-170.2.24.fc10.x86_64
>    pm-utils-1.2.2.1-2.fc10
>    hal-0.5.12-14.20081027git.fc10
> 
> Everything runs great including suspending, hibernating and resuming except that when the laptop resumes from a suspend or hibernation there is no battery info:   
>   {0}duder:/home/don > cat /proc/acpi/battery/BAT0/alarm
>   present:                 no
>   {0}duder:/home/don > cat /proc/acpi/battery/BAT0/info
>   present:                 no
>   {0}duder:/home/don > cat /proc/acpi/battery/BAT0/state
>   present:                 no
> 
> Before a suspend or hibernation  and resume the battery info is as expected:  
>   {0}duder:/home/don/bin > cat /proc/acpi/battery/BAT0/info                                                
>   present:                 yes                                                                             
>   design capacity:         5100 mAh                                                                        
>   last full capacity:      4800 mAh                                                                        
>   battery technology:      rechargeable                                                                    
>   design voltage:          14400 mV                                                                        
>   design capacity warning: 240 mAh                                                                         
>   design capacity low:     144 mAh                                                                         
>   capacity granularity 1:  264 mAh                                                                         
>   capacity granularity 2:  3780 mAh                                                                        
>   model number:            Primary                                                                         
>   serial number:                                                                                           
>   battery type:            Lion                                                                            
>   OEM info:                Hewlett-Packard      
> 
> 
> It does not matter if the laptop is running on AC power or the battery
> 
> Booting with every combination of turning acpid on or off and turning the pci=noapci  kernel flag on or off  has no effect.
> 
> I spent a good deal of time Googling and searching the pm-utils archives but found no solution.
> 
> I've also tried the suggestions on the HAL Quirk site, http://people.freedesktop.org/~hughsient/quirk/index.html  but still no joy.
> 
> Any ideas to get my battery info after a resume?

Does unloading->loading the battery module after suspend cure the
problem? Do you have the latest BIOS for your machine installed?

Regards,
 Holger