Hi, From the message which is quite common in 10G archive trace files it would appear that this is the function which is called to wake up the archiver. You might find the full form in ora-600 lookup tool but I haven't checked that Regards Fairlie Charles Schultz <sacrophyte@xxxxxxxxx> wrote: Curious, is there a good resource to "unabiguify" kernel stub names? Granted, they are undocumented because Oracle does not want anyone to hack their software, but surely somebody knows what all those names translate to, or what they are used for. I have a very curious streak, so while I would not be able to do anything the knowledge, I simply want to know. For example, what is kcrrwkx, and what is it used for? For context, see bug 4883174 -- Charles Schultz Fairlie Rego Senior Oracle Consultant http://www.linkedin.com/in/fairlierego http://el-caro.blogspot.com/ M: +61 402 792 405 --------------------------------- Want to start your own business? Learn how on Yahoo! Small Business.