I am having a strange problem on OS X 10.5 with the scheduled backups feature in virtualmin. The backup script executes correctly each night for about 2 or three weeks, after which the script will just hang. The following error is logged for luanchd in the OS X log:
could not setup mach task special port 9: (os/kern) no access
Yeah, I see a few posts about an error like that on Apple’s discussion forums all from people having trouble running apps from Cron, but none seem to clarify a cause: