Openmoko Bug #1679: "Timer expired" error when reading battery sys entries

[Openmoko Public Trac]

#1679: "Timer expired" error when reading battery sys entries
-----------------------------+----------------------------------------------
 Reporter:  kriss            |       Owner:  openmoko-kernel       
     Type:  defect           |      Status:  new                   
 Priority:  normal           |   Milestone:                        
Component:  System Software  |     Version:  GTA02v6               
 Severity:  normal           |    Keywords:  battery, kernel, sysfs
 Blocking:                   |   Blockedby:                        
-----------------------------+----------------------------------------------
 Some of the entries in the battery sysfs directory are returning errors
 mesages when read.

 Linux om-gta02 2.6.24 !#1 PREEMPT Wed Jul 23 06:34:19 CEST 2008 armv4tl
 unknown


 Example:

 root at om-gta02:~# for i in
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/*; do echo
 "==========================="; echo $i; cat $i; done
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/capacity
 cat: read error: Timer expired
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/charge_full
 cat: read error: Timer expired
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/current_now
 cat: read error: Timer expired
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/device
 cat: read error: Is a directory
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/online
 1
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/power
 cat: read error: Is a directory
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/present
 0
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/status
 Not charging
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/subsystem
 cat: read error: Is a directory
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/technology
 Li-ion
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/temp
 cat: read error: Timer expired
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/time_to_empty_now
 cat: read error: Timer expired
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/time_to_full_now
 cat: read error: Timer expired
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/type
 Battery
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/uevent
 ===========================
 /sys/devices/platform/bq27000-battery.0/power_supply/bat/voltage_now
 cat: read error: Timer expired
 r

-- 
Ticket URL: <https://docs.openmoko.org/trac/ticket/1679>
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