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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 02-26-2005, 08:25 PM   #1
sunderam_uccs
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Sudden Shutdown


Hi people,
I have a toshiba A 65 2.8 Gbz, 512 MB laptop. It has two OS on it currently, windows and fedora.
My laptop runs fine under windows but when i try to use linux it shutsdown after a few min. I m unable to find out what is the problem. Once the laptop shutsdown under windows it wont start in windows again instantly . i have to give it a few min before i try to start my laptop again.

Any help would be great in solving this problem

thanks
Jay
 
Old 02-26-2005, 08:37 PM   #2
Brian1
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Sounds like the processor is over heating and the bios is turning off the notebook. It probalby won't restart till it cools done. Might be a bios issue or in linux acpi related. Does the fan everycome on when you use it in either windows or linux?

Brian1
" Google the Linux way @ http://www.google.com/linux "
 
Old 02-26-2005, 08:39 PM   #3
sunderam_uccs
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Hi Brian
Even i suspect the same thing- -- overheating. but why is that happening and what is the remedy for that
Jay
 
Old 02-26-2005, 09:01 PM   #4
Brian1
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Maybe windows is capable of turning on the fan if the processor heats up. It probably use stuff similiar if not the same as acpi in linux. I would think the bios should control this feature.

Things you can check are running the following commands in linux. Some notebooks due not have the support due to cheap chipsets. But try.
Look in /proc/acpi/fan and see if there is a file. If so run this command.
cat /proc/acpi/fan/name_of_file_here

Same can be done in cat /proc/acpi/thermal_zone/name_of_file_here.

Also try reviewing the files under /proc/acpi/processor/CPU0/ Do the same using cat.

Temperture may not work here. But it is worth a shot. I think about it some more.

Brian1
" Google the Linux way @ http://www.google.com/linux "
 
Old 02-26-2005, 09:49 PM   #5
sunderam_uccs
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i checked the proc . it shows that the fan is switched off adn the temp was 83 c which i think is unusally high.
do u think i should go in and turn it on or something else can be done.
Jay
 
Old 02-27-2005, 11:52 AM   #6
Brian1
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Yes 83c is etremely high. I would try to keep it around 55c or cooler. This may work to turn on the fan. Try this command. I don't if they will work.
' echo 0 /proc/acpi/fan/FAN/state ' to turn fan on.
' echo 3 /proc/acpi/fan/FAN/state ' to turn fan off.

Possible another option is this.
' echo -n 0 /proc/acpi/fan/FAN/state ' to turn fan.

Let me know if it turns on the fan. It come on for a second or two then quit. If it does then either acpi or the bios is taking over. If the fan comes on and stays on then monitor the temperture. If it stays running great. See what temperture comes down to over a 10 minute period, checking every minute.

Brian1
" Google the Linux way @ http://www.google.com/linux "
 
  


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