Hello all, OK, the solution was not in the mysterious SMM or anything like this, but in a bad understanding of an engineer (me, in the case :( When I saw "SpeedStep", with the option "Maximum Performance", I went for it. This seems to make something very strange. Anyway, maximum performance is reached if it is put to "Disabled". Like this there are no more long interrupts every 2-3 minutes! Strange thing, but anyway thanks to everyone who wrote me "disable speedstep". Sometimes life's so simple!
Greets, Linus On Thursday 07 February 2002 12:14, you wrote: > Hi, > I'm running a RH7.2 with a rtlinux 3.1 a linux-2.2.19 kernel on a DELL > Latitude laptop. Data aquisition is done with a PCI-card which holds a 9080 [...] > Now: on a dual-pentium, this works real nice. No problem at all. The > wakeup-time is always accurate to at least 50us (the time of a "slot"). > But, as soon as I let it run on the laptop (single processor, 1GHz PIII), > these wakeup-calls may be missed by as much as 10ms (yes, 200 "slots") once > every 2-3 minutes. -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl <Your_email>" | mail [EMAIL PROTECTED] -- For more information on Real-Time Linux see: http://www.rtlinux.org/
