That's not the problem here - the high CPU usage is only a symptom. The problem is that the stack becomes unresponsive!
David Wakser -----Original Message----- From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of Rob van der Heij Sent: Friday, February 01, 2008 2:02 AM To: [email protected] Subject: Re: TCPIP 510 under z/VM 4,4 On Feb 1, 2008 12:45 AM, Wakser, David <[EMAIL PROTECTED]> wrote: > We are having a strange problem. Randomly, sometimes daily, > sometimes more often, and sometime less, the TCPIP stack under z/VM > 4.4 seems (based on observations from VMMON) to "hog" the CPU (takes > it > 100%) and then completely fails to respond to any NETSTAT commands. > The version of the stack is 440 - which is what was supplied with z/VM > 4.4 Slightly aside - some popular (bad) share settings for TCPIP are such that they actually let TCPIP hog the CPU when it wants to... -Rob
