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Snigger 06-18-2009 10:38 AM

System Freeze
I'm using Ubuntu Dapper .
I had system freeze when I had Windows some years ago, but when I switched to linux there were no freeze up 3 week ago, system freezes very frequent .
When system freezes none of keyboard, mouse, ... works, even I don't have monitor refresh.
I know that it's not kernel problem, SysRq is enabled but doesn't work when system freezes, so there is something with hardware.
I've tested RAM with memtest86 and after 3 passes no error found .
Now I think its something with VGA .
I have a S3 Savage2000 card that hase a broken fan on it!!
and as you know linux S3 driver doesn't support Savage2000.
my mainboard is GA-8IR533

What's your Opinion?
Is it VGA problem? or can be something else?

Thank you.

jdkaye 06-18-2009 11:21 AM

I would guess your chip is overheating and that causes the freeze. That's what many systems (including) mine do when there is overheating. Can you fix the fan?

Snigger 06-19-2009 02:39 AM

Thanks for your attention.
The fan is totally dead !
I installed another fan but no effect! it freezes again.

jdkaye 06-19-2009 03:04 AM

Hi Snigger,
Is the whole system frozen or just your x-windows? Can you clt-bksp to restart x? or ctl-alt-F1 to get to a virtual terminal? or is everything really locked up. I think my idea about the fan and overheating was wrong. On my system at least, nothing freezes. The power just cuts off.

Snigger 06-19-2009 10:37 AM

Hi, And Thanks again
Yes it's a whole system freeze , Alt+Ctrl+Backspace , Alt+Ctrl+F1/F6 , Alt+SysRq+R/B/O/... , and other s doesn't work, NumLock/CapsLock doesn't turn Off/On !
And atlast sometimes at boot time it freezes!
The Other thing is that proves it's not X problem (and other software things) is that I had this problem 4 years ago when I had Windows! and now it's back!

I'm thinking to buy a new VGA but first I want to be sure that problem is VGA.

Thanks again

jdkaye 06-19-2009 11:22 AM

Does it ever happen when you're in maintenance (single-user; no x-server running) mode? That might be a clue.

Snigger 06-20-2009 01:12 AM

I didn't used Single User /Terminal Only since freezes started, but as I mentioned sometimes (once or twice a day) it freezes at boot time (and boot is in Text mode too.)!

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