The standard time from the 2.2.5-15 release that is installed by the Redhat install routines works fine. I re- compile the kernel that installed at /usr/src/linux and the time command will return a negative value for the elapsed time. I built the kernel with make xconfig, followed by the make commands: make dep make make install make modules make modules_install The new kernel loads and seems to run fine. The only problem that I have seen is that about one of three times the command: time sleep 1 will return a negative "elapsed" time. The other time fields in the display seem to be OK. I am using the Linux SMP mode on an 8-processor Pentium III processor system.