On Wed, 26 Mar 2008 12:41:36 -0400 Gautam Thaker <gthaker@xxxxxxxxxxxx> wrote: > I am running Fedora Core 8 w/ all the updates installed. The kernel > version is 2.6.24.3-34.fc8 SMP. I have been using the system happily > for about 2 months. I don't know just when, but in last week, the > kernel sees only 1 of my 2 cores. I know i have run quite some time > w/ 2 cores. I am not sure if this is related to some SW update or a > bios problem (i loaded "defaults" in bios) or can the CPU actually > break and be left w/ just 1 core? I do see a msg at start up, at very > start, that says: > > i8042c: can not read CTR when initializing i8042. Thats a keyboard handling emulation bug in the BIOS, unrelated. Go into the BIOS and turn off USB legacy emulation. However I don't think its anything to do with your vanishing core