You've rebooted your kernel since you've changed the grub config file, correct?
I just read that grub doesn't require that you rerun it when you change the config, so that's not the problem...
Does /proc/cmdline tell you that the ATA and idebus (idebus, incidentally, should be the speed of your PCI bus, not your IDE cables -- it was misnamed -- but it's only used in PIO modes, not DMA/MWDMA/UDMA setups, so that might be why you never noticed a difference) options are now no longer set?
Was this a clean install of RedHat? Or did you try to upgrade? I've seen upgrades to some really weird things to machines...
Edit: Your log file appears to have some bits of X's log, some bits of /var/log/messages, and a large piece of either /boot/System.map or /proc/ksyms. I don't know if that helps anyone or not, but those are the files that the contents of your X log file are usually in.
Last edited by bwkaz; 10-09-02 at 05:06 PM.