On Tue, 23 Jan 2007 20:02:23 -0500, nethub-Re5JQEeQqe8AvxtiuMwx3w wrote: > Hello, > > We have a number of systems running KM400 chipsets from VIA (Socket > A/462). Two different models have produced the same results -- DFI > KM400-MLV and MSI KM4M-V. When a /sbin/reboot or /sbin/shutdown -r now is > issued, the system does everything you would expect from a reboot, but > when it gets to Rebooting System, it hangs and requires a power cycle. > > The logs do not indicate anything is going wrong. It's not a kernel > panic. I've tried appending "acpi=off noapic" or just "apci=off" to > grub.conf and neither help. We've tested these boards extensively with > various CPU's, hard drives, and RAM and they show no other issues, so it's > not hardware defects or hardware compatibility issues. > > I'm not sure what is going on, but assistance would be greatly > appreciated. > > Thanks. I am having exactly the same problem. It is probably a similar motherboard (DFI, but cannot check right now). I recently converted this box from FC4 to CentOS4.4. If I am not mistaken, it did not have the shutdown issue when FC4 was running. Akemi