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Linux - Laptop and Netbook Having a problem installing or configuring Linux on your laptop? Need help running Linux on your netbook? This forum is for you. This forum is for any topics relating to Linux and either traditional laptops or netbooks (such as the Asus EEE PC, Everex CloudBook or MSI Wind).

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Old 08-16-2010, 07:28 AM   #1
CincinnatiKid
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Shutdown when Heavy Processing


I have a Sony Vaio VGN-SZ440 running Slackware 13.1 x86 kernel 2.6.33.4-smp. The laptop does real good most of the time, but when I do anything that requires heavy processing, such as compiling a package, the laptop will shut down. I have acpi enabled, does anyone have any suggestions?
 
Old 08-16-2010, 07:30 AM   #2
gasdim
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Maybe in bios settings when it overheats is selected to shutdown in order to save it from damage. Check this first
 
Old 08-16-2010, 09:08 AM   #3
CincinnatiKid
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I can't find a setting in my bios actually. I am wondering if I am having some batter issues. Take a look at this:

Code:
bash-4.1$ cat /proc/acpi/battery/BAT1/state 
present:                 yes
capacity state:          ok
charging state:          charging
present rate:            3692 mW
remaining capacity:      8050 mWh
present voltage:         12558 mV
bash-4.1$ cat /proc/acpi/battery/BAT1/info  
present:                 yes
design capacity:         73260 mWh
last full capacity:      26930 mWh
battery technology:      non-rechargeable
design voltage:          11100 mV
design capacity warning: 0 mWh
design capacity low:     120 mWh
capacity granularity 1:  0 mWh
capacity granularity 2:  10 mWh
model number:            
serial number:           
battery type:            LION
OEM info:                Sony Corp.
Doesn't it seem strange that the 'last full capacity' is way lower than the design capacity? I assume these should be close to each other. Does anything else look strange, I am not too familiar with acpi. The person I bought the laptop from swears the battery worked fine with Windows Vista, but I don't know for sure, I just wanted to do some investigating before I buy a new batter.
 
Old 08-16-2010, 10:59 AM   #4
CincinnatiKid
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Check this out from lshal | grep battery:

Code:
udi = '/org/freedesktop/Hal/devices/computer_power_supply_battery_BAT1'
  battery.charge_level.current = 26900  (0x6914)  (int)
  battery.charge_level.design = 73260  (0x11e2c)  (int)
  battery.charge_level.last_full = 26930  (0x6932)  (int)
  battery.charge_level.percentage = 99  (0x63)  (int)
  battery.charge_level.rate = 0  (0x0)  (int)
  battery.is_rechargeable = true  (bool)
  battery.model = ''  (string)
  battery.present = true  (bool)
  battery.rechargeable.is_charging = false  (bool)
  battery.rechargeable.is_discharging = false  (bool)
  battery.reporting.current = 26900  (0x6914)  (int)
  battery.reporting.design = 73260  (0x11e2c)  (int)
  battery.reporting.last_full = 26930  (0x6932)  (int)
  battery.reporting.rate = 0  (0x0)  (int)
  battery.reporting.technology = 'Li-ion'  (string)
  battery.reporting.unit = 'mWh'  (string)
  battery.serial = ''  (string)
  battery.technology = 'lithium-ion'  (string)
  battery.type = 'primary'  (string)
  battery.vendor = 'Sony Corp.'  (string)
  battery.voltage.current = 12460  (0x30ac)  (int)
  battery.voltage.design = 11100  (0x2b5c)  (int)
  battery.voltage.unit = 'mV'  (string)
  info.capabilities = {'battery'} (string list)
  info.category = 'battery'  (string)
  info.udi = '/org/freedesktop/Hal/devices/computer_power_supply_battery_BAT1'  (string)
Look at these two lines:

battery.charge_level.current = 26900 (0x6914) (int)
battery.charge_level.design = 73260 (0x11e2c) (int)

Current says 26900 and design says 73260, my battery icon says 100% full, shouldn't 100% be close to 73260?

And this:

battery.is_rechargeable = true (bool)

even though /proc/acpi/battery/BAT1/info says the battery is 'non-rechargeable'. It sounds like something is messed up with acpi. Does anyone have any suggestions?
 
Old 08-17-2010, 10:29 AM   #5
CincinnatiKid
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I am thinking I just have a bad battery and the person that sold it to me lied :-(. I am now dual booting with fedora and I get the message that my battery has a low capacity, yet is fully charged and is probably broken!
 
Old 08-17-2010, 12:23 PM   #6
tredegar
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The reporting of battery type, charge-level and assorted temperatures rely on a functioning ACPI for your hardware.

If this is "broken" for your laptop and version of linux, then invalid results may be reported, and therefore inappropriate actions being taken.
Eg: The temp is "too high" (when, in reality, it isn't) prompts a premature shutdown, or the battery "too low", and another shutdown.

Try some linux searches on acpi and your laptop model.
 
  


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