lily@vaio:~$ modprobe -l | grep acpi
/lib/modules/2.6.22-14-rt/ubuntu/acpi/tc1100-wmi.ko
/lib/modules/2.6.22-14-rt/ubuntu/acpi/pcc_acpi.ko
/lib/modules/2.6.22-14-rt/ubuntu/acpi/dev_acpi.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/pci/hotplug/acpiphp.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/pci/hotplug/acpiphp_ibm.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/misc/thinkpad_acpi.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/acpi/video.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/acpi/toshiba_acpi.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/acpi/sony_acpi.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/acpi/sbs.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/acpi/thermal.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/acpi/fan.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/acpi/dock.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/acpi/processor.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/acpi/button.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/acpi/bay.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/acpi/battery.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/acpi/container.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/acpi/ac.ko
/lib/modules/2.6.22-14-rt/kernel/drivers/acpi/asus_acpi.ko
/lib/modules/2.6.22-14-rt/kernel/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.ko