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Ubuntu 11.04 32bit clean install crashes every five minutes

Asked by darc

Hi All,

I did a clean install of Ubuntu 11.04 32bit version.
Every 5 minutes the computer will just reboot itself. No error messages or warnings, behaviour is the same as if someone pressed the restart button on the actual pc.

CPU and RAM have not been overclocked.
PC Specs are as follows.
Motherboard: Asus Sabertooth P67
CPU: i7 2600k
RAM: 8GB Patriot Viper

I don't believe there is any hardware problems as I am also running Windows XP without any problems.

If anyone has any suggestions to help it would be greatly appreciated. Please let me know if you need more any other info.

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Ian Ace (iaculallad) said : 		#1

Can you do a system update/upgrade then observe the stability of your system:

sudo apt-get update && sudo apt-get upgrade

HTH.

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darc (darcwinter) said : 		#2

Hi, thanks for the prompt reply. Unfortunately because it reboots itself after 5 minutes I have not been able to update/upgrade the packages.
I've also tried using Ubuntu Classic as I thought perhaps Unity was causing the crashes but it didn't make any difference. After logging in to Ubuntu it reboots itself after exactly 5 minutes every time.

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Ian Ace (iaculallad) said : 		#3

Can you try disabling the wireless card first and observe if it still reboots by itself.

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actionparsnip (andrew-woodhead666) said : 		#4

Test RAM using the entry in GRUB

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darc (darcwinter) said : 		#5

Thanks for the replies and sorry for taking so long in replying.
@Ian ace
There is no wireless card on my MB.

@actionparsnip
I downloaded the latest memtest86+ ver4.2 and as soon as it starts it just freezes. I get past press F1 for fail safe mode, it tests memory to 100% and then freezes. I can't get to any options on what type of test to run.
I need to hard power off my box as no other options work.

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actionparsnip (andrew-woodhead666) said : 		#6

Memory test failing isn't too good dude

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darc (darcwinter) said : 		#7

I'm stumped. I thought memtest might be failing due to the CPU being a sandy bridge chip. My windows install can run for days without crashing. I'm thinking it may be something apart from ram because it is crashing too consistently at every 5 minutes after logging on.

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Jeruvy (jeruvy) said : 		#8

Your memory is no good, whatever windows manages to fake through, linux isn't so tolerant.

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