>>> On Tue, Jan 22, 2008 at 7:14 AM, in message <7B9B6F61B189D94CA8CEE58A449BF3A9712600@xxxxxxxxxxxxxxxxxxxxxxxx>, "Lampersperger Andreas" <lampersperger.andreas@xxxxxxxxxxxxx> wrote: > No, there is no BIOS option which indicates HPET support. But the > BIOS on my system is IMHO very very bad. It knows nothing about the > features on the board. Is ist crucial to have here BIOS support? Or > can these features be enabled by e.g. boot parameters? I had a similar problem once. It turned out that "nmi_watchdog=1" in the kernel-args disables HPET such that you will see that warning from cyclictest. Not sure if you have a similar setup, but perhaps this info will help. -Greg - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html