I've figured out a way to solve the problem. My computer is DELL OPTIPLEX 360, OS is ubuntu 9.04. Just add "acpi＝on noapic=yes" at the end of the line in menu.lst starting with "kernel", and it is really worked. This is my /boot/grub/menu.lst:
-------------------------------------------------- title Ubuntu 9.04, kernel 2.6.28-18-generic uuid 0d3ff90f-3548-45f5-a427-93692a669310 kernel /boot/vmlinuz-2.6.28-18-generic root=UUID=0d3ff90f-3548-45f5-a427-93692a669310 ro xforcevesa quiet splash acpi＝on noapic=yes initrd /boot/initrd.img-2.6.28-18-generic quiet title Ubuntu 9.04, kernel 2.6.28-18-generic (recovery mode) uuid 0d3ff90f-3548-45f5-a427-93692a669310 kernel /boot/vmlinuz-2.6.28-18-generic root=UUID=0d3ff90f-3548-45f5-a427-93692a669310 ro xforcevesa single initrd /boot/initrd.img-2.6.28-18-generic title Ubuntu 9.04, kernel 2.6.28-6-386 uuid 0d3ff90f-3548-45f5-a427-93692a669310 kernel /boot/vmlinuz-2.6.28-6-386 root=UUID=0d3ff90f-3548-45f5-a427-93692a669310 ro xforcevesa quiet splash acpi＝on noapic=yes initrd /boot/initrd.img-2.6.28-6-386 quiet title Ubuntu 9.04, kernel 2.6.28-6-386 (recovery mode) uuid 0d3ff90f-3548-45f5-a427-93692a669310 kernel /boot/vmlinuz-2.6.28-6-386 root=UUID=0d3ff90f-3548-45f5-a427-93692a669310 ro xforcevesa single initrd /boot/initrd.img-2.6.28-6-386 title Ubuntu 9.04, kernel 2.6.27-7-generic uuid 0d3ff90f-3548-45f5-a427-93692a669310 kernel /boot/vmlinuz-2.6.27-7-generic root=UUID=0d3ff90f-3548-45f5-a427-93692a669310 ro xforcevesa quiet splash acpi＝on noapic=yes initrd /boot/initrd.img-2.6.27-7-generic quiet title Ubuntu 9.04, kernel 2.6.27-7-generic (recovery mode) uuid 0d3ff90f-3548-45f5-a427-93692a669310 kernel /boot/vmlinuz-2.6.27-7-generic root=UUID=0d3ff90f-3548-45f5-a427-93692a669310 ro xforcevesa single initrd /boot/initrd.img-2.6.27-7-generic title Ubuntu 9.04, memtest86+ uuid 0d3ff90f-3548-45f5-a427-93692a669310 kernel /boot/memtest86+.bin quiet -------------------------------------------------- -- System fails to restart https://bugs.launchpad.net/bugs/366682 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
