8.04 still locks up

[elmo]

Nils Kassube wrote:
> elmo wrote:
>   
>> I thought that I finally had a UBUNTU 8.04 that doesn't freeze and
>> lockup but no, after downloads from different sources, the same old
>> problem ...it works fine for a up to half hour or so then suddenly, the
>> cursor locks and there's nothing I do can free it other than turn the
>> computer off and back on and start over.
>>
>> I've tried trial and error combinations of keypresses to loosen up the
>> cursor....no effect.
>>     
>
> First shortcut to try is Ctrl-Alt-Backspace to restart the X server. Then 
> try Ctrl-Alt-F1 to get a terminal. That way you can find out if your 
> machine is completely locked or if only your X session is broken. When 
> you restart the machine, have a look at the logs. Maybe there is some 
> clue. In /var/log/messages search for the date and time when the problem 
> happened and in /var/log/Xorg.0.log.old the last lines are a good 
> candidate for an indication of your problem.
>
> Are you using desktop effects? Check if the problem persists if you 
> disable desktop effects. Sorry, can't tell you how because I don't use it 
> myself.
>
> What graphics hardware do you have? Are you using a proprietary graphics 
> driver (ATI / Nvidia)?
>
>   
>> I restart 8.04 and try repeating what I was doing when the freeze
>> occurred but it doesn't freeze again but it freezes when I'm doing
>> something completely different.  There's no consistency to the
>> occurrence of the freeze.
>>     
>
> When the freeze happens, do you have a page with flash opened with your 
> browser?
>
>   
No, it can happen without the browser, as when editing or just selecting
a file,

>> Does anybody have 8.04 that doesn't freeze?  What's the secret?
>>     
>
> Sure. I know about 15 computers with various hardware combinations (except 
> there is none with ATI graphics) running 8.04 but I don't know any 
> machine that freezes. Considering the low number of reports of freezes on 
> this list I would assume there are _many_ machines working with 8.04 
> without a problem like yours.
>
>
> Nils
>
>   
It's possible that my lockup problem is due to some kind of hardware 
defect but I have no clue as to what
and how to check.  It's just that all my current operating systems all 
work so well