It was not a hw problem, I tried to remove the Hauppauge and the crash persisted.
Updating the motherboard BIOS solved it. According to the Asus changelog, there was a "Patch DMI rebuilding issue." between my original BIOS an the updated one. Thanks to those who responded. raffaele Raffaele Belardi wrote: > When I enable the ondemand scheduler on my Athlon64 3200+ I get > immediate crash: video fills up with blinking colored lines, X cannot be > killed, the box does not ping, I need to hard reset. Other than that the > box is a stable mythtv station. > > The motherboard is an Asus M2NPV-VM. Cool'n'Quiet is enabled in the > BIOS. Vanilla kernel with no binary drivers (actually, initially I was > using the proprietary nvidia graphics driver, which I though was the > culprit, but switching to open source driver did not solve), running > almost no ~amd64. > On my other box, an Athlon64 3000+/Asus K8VSE with same kernel, ondemand > works perfectly. > > The only 'strange' hw on the 3200+ is a DVB tuner, the Hauppauge > HVR1300. Tonight I will try to remove it and see if it is related with > this problem. > > Has anybody had similar problems with ondemand scheduler? > Any hints on how to debug the problem would be greatly appreciated. > Neither syslog nor xorg.log report anything unusual. > > thanks, > > raffaele > -- [EMAIL PROTECTED] mailing list
