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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