Re: Lenny overheating, preventing installation

On Sat, Apr 11, 2009 at 02:26:30PM +0200, Aleksa ??u??uli?? wrote:
The laptop is less than a year old and still in warranty. It has never been
used in dusty or dirty places. And this overheating only happens with Debian
(installing OpenSuSE or Mandriva or Ubuntu or Fedora works a breeze). The only
other instance it does happen is when my current OpenSuSE system freezes
(stops responding), ramping up the CPU to 100% usage: if I don't switch to a
virtual terminal and reboot within, say, 10 minutes, the laptop will shut
itself off from overheating. Hence my assumption that the machine simply is
not DESIGNED to work at full throttle (100% CPU usage) for any length of time.
But I may be wrong, of course.

As a sidenote: I've found a thread on internet a while ago stating that you
may risk overheating and even frying a laptop if you try installing Windows98
as a virtual machine, since Windows98 does not support the CPU "idle"
instruction. I assume something vaguely similar may be going on here. Modern
laptops with fairly powerful CPUs apparently rely on certain subsystems of the
OS to effectively prevent overheating. If some of those subsystems don't work
as expected, overheating will occur. I find it hard to believe there aren't
more laptop users with this sort of problems...

So they install a powerful CPU for the marketers to get you to drool
over, then don't provide the necessary cooling so that when you
actualluy _use_ the CPU power, the unit fails.

I'd call it a design flaw and return the unit.

Doug.


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