On Sat, Apr 11, 2009 at 03:46:31PM +0200, Klistvud wrote: > Dne sobota 11 april 2009 ob 15:22:38 je Douglas A. Tutty napisal(a): > > On Sat, Apr 11, 2009 at 02:26:30PM +0200, Aleksa ??u??uli?? wrote: > I agree ... to a point. Namely, I've never managed to overheat the unit by > just _using_ the CPU. It exclusively happens: > > 1) during a Debian Lenny installation > 2) during a certain type of system lock-up which forces both the CPU > frequency > and its usage to go to 100%. > > I'd compare (if I may) the situation with a car having, say, a range of 0 to > 7000 RPM, of which only 2000 to 5000 is actually the "working range". Now, > forcing the car in a very low gear and running it at a constant 7000 RPM, how > many minutes until the engine overheats? And, more importantly: how _stupid_ > should one be to actually try doing this at home? It's, in my opinion, what's > happening here: some runaway process or OS flaw simply ramps up the CPU to a > regime that wasn't intended to be used for a prolonged time in the first > place. In normal usage, leaving a CPU running at 100% usage is a rare > occurence (I'm not talking about CPU frequency here, I'm talking about CPU > usage - 100% meaning no idle cycles whatsoever over several minutes or even > hours!).
What about a big compile? Retouching a movie? For normal usage (other than using iceweasel), I have difficulty getting my dual PII-450 to less than 90% idle, but there are things that will bog it down, and no it doesn't overheat. Then again, its a 2U server, not a laptop. Doug. -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
