> i added this option acpi=on to the end of my grub > command line as the following: > > title Fedora Core (2.4.22-1.2115.nptl) > root (hd0,5) > kernel /vmlinuz-2.4.22-1.2115.nptl ro > root=LABEL=/ hdc=ide-scsi rhgb acpi=on > initrd /initrd-2.4.22-1.2115.nptl.img > > but then, every time fedora starts up, it is hanging > always when the status shows "set up hostname", so the > start up never successfully completed, and i have to > switch off the power button manually. > > what was possibly wrong with setting acpi=on? The kernel's ACPI code is disagreeing with your BIOS. You can file a bug in bugzilla; you're best off removing the 'acpi=on' for now. Bill