Hi Jones, I'm running the 64bit 2.6.9-22.0.2.ELsmp kernel for x86_64 on a dual Opteron, and I'm not seeing this issue - for what it's worth.
James _____ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jones George Sent: Wednesday, March 01, 2006 12:31 PM To: [email protected] Subject: [Ganglia-general] multicast group dropping out in RH4 I have a cluster I am moitoring with Ganglia 3.0. Recently I upgraded all the hosts in the cluster to RH4. When I add the two latest computers into ganglia the entire group drops out. I noticed a kernel version difference between the computers. working nodes with RH4: Linux NODE1 2.6.9-22.ELsmp #1 SMP Mon Sep 19 18:32:14 EDT 2005 i686 i686 i386 GNU/Linux non working hosts with RH4: Linux cela166032 2.6.9-22.0.2.ELsmp #1 SMP Thu Jan 5 17:13:01 EST 2006 i686 i686 i386 GNU/Linux Here are the notes from the RHN Errata: - a flaw in network IGMP processing that a allowed a remote user on the local network to cause a denial of service (disabling of multicast reports) if the system is running multicast applications (CVE-2002-2185, moderate) https://rhn.redhat.com/rhn/errata/details/Details.do?eid=3648 <https://rhn.redhat.com/rhn/errata/details/Details.do?eid=3648> anyone else experiencing this issue? Any ideas on a workaround other than downgrading my kernel? thanks, Jones

