warning: unregister_int: int 9 handler for acpi0 not found

[Tomaž Borštnar]

Hello!

	Is this harmless warning?

login: Nov 24 22:55:12 dk reboot: rebooted by tomaz
Nov 24 22:55:12 dk syslogd: exiting on signal 15
Waiting (max 60 seconds) for system thread vnlru to stop...stopped
Waiting (max 60 seconds) for system thread bufdaemon to stop...stopped
Waiting (max 60 seconds) for system thread syncer to stop...stopped
syncing disks...  done
Uptime: 4h12m28s
ips0: flushing cache
Shutting down ACPI
warning: unregister_int: int 9 handler for acpi0 not found
Rebooting...


Tomaz