On Sat, 2010-10-16 at 20:04 +0100, Ben Hutchings wrote: > On Sat, 2010-10-16 at 20:37 +0200, Mario Kleinsasser wrote: > > Hi, > > > > we are running abount eigth HP Blade servers with the official openvz > > kernel from the debian repository. > > On this blades we are faced with a LOT of those messages. > > This messages are logged in dmesg and also in /var/log/messages. > > > > This hardware is useing the bnx2x chipset. The exactly same setup but > > running as vmware virtual machine is not logging those messages. The > > system is running stable but I would like to ask what this messages > > are kind of? > > > > Maybe a combination of bnx2x firmware and vzeth? > > This looks like the result of a combination of LRO (aka TPA) and > bridging. LRO should be disabled automatically on interfaces that have > bridging or forwarding enabled, but there is nothing to stop you > enabling it again. Actually, that automatic behaviour was only added in Linux 2.6.27. So you need to disable LRO manually, either using ethtool or the bnx2x module parameter disable_tpa. Ben. -- Ben Hutchings Once a job is fouled up, anything done to improve it makes it worse.
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