[LAU] Hard lock-ups -- Trying to narrow the cause

hollunder at gmx.at hollunder at gmx.at
Mon May 25 13:02:36 EDT 2009


On Sun, 24 May 2009 21:57:18 -0700
"Aaron L." <elmastero74 at gmail.com> wrote:

> Hmmm.......did my reply to Drew go to just him?
> 
> This gmail sort-by-subject thing can get weird.
> 
> Anyway, I wanted to make sure my symptoms were included in this as
> well, so here it is:
> 
> Great thread.
> 
> I've been having intermittent lockups on my machine since I installed
> UbuntuStudio on it about 8 months ago.
> 
> Started on Hardy.  Now on Intrepid.
> 
> It took me so long to get Compiz working with my Nvidia GeForce FX
> 5200 that I don't want to even think about moving to Jaunty.
> 
> I've ran memtest at least 3 times now with no errors being returned
> each time.  I used to think it had something to do with a screensaver
> (and the nvidia driver) but I don't think that's the case.  I've been
> sitting in front of it while it's happened and it usually goes like
> this:
> 
>    1.  usually Firefox dies (last night it happened when I viewed a
> myspace page so it almost seems like a Flash issue)
>    2.  the screen goes blank (black)
>    3.  my mouse cursor turns into the spinning cursor although I can
> still move it for a few seconds (10-15 or so seconds, I'd say)
>    4.  finally, a 100% freeze although I can still see my router/hub
>    blinking so it looks like there is network activity
> 
> Then I have to do a hard restart.
> 
> Funny thing as sometimes it won't happen for a couple of weeks and
> I'll think, "Sweet!  It's fixed!"
> 
> Then it'll happen twice in a day.  Can't imagine that it's good for
> the hard drive with all these hard restarts.
> 
> I have a mac laptop sitting nearby though.  I'll try the ssh bit when
> it happens and maybe I can figure something out.


Sounds similar to what happens to me (except the flash/firefox thing).
It happens with graphics heavy stuff and during heavy compiles
(kernel..). Mouse is only sometimes responsive for a few seconds.
thought it was gone with 2.6.29 but it came back after a few weeks..

I'm pretty sure it's hardware related, overheating or something with
graphics since it also happened when I had installed windows a few
years ago to play at a LAN-party.

Now it starts to get annoying, I'm just waiting for the perfect laptop
that can be used as audio workstation..

--Philipp



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