Did Security Update solve the Problem?
did someone installed Security Update 2009-1 ??
- AFP Server
CVE-ID: CVE-2009-0142
Available for: Mac OS X v10.5.6, Mac OS X Server v10.5.6
Impact: A user with the ability to connect to AFP Server may be a able to trigger a denial of service
Description: A race condition in AFP Server may lead to an infinite loop. Enumerating files on an AFP server may lead to a denial of service. This update addresses the issue through improved file enumeration logic. This issue only affects systems running Mac OS X v10.5.6.
Please post your feedback here, if the Security Update fix the AFP Problem !!
AFP is eating CPU - AGAIN!!
After 4 weeks without any performance problems, today AFP is etaing completely our 8-core XServe. Look at screenshot taken from Server Admin.

