[CentOS] my notes on bond, bridge, network, kvm, host and virtual so far
Bob Hoffman
bob at bobhoffman.com
Tue Feb 14 05:06:38 UTC 2012
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*Gordon Messmer* wrote
On 02/07/2012 07:26 PM, Devin Reade wrote:
>/ I had a lot of problems with the network stack on VMs, both under
/>/ VMWare ESXi and Xen where the network would just go numb. After a
/>/ lot of splunking I determined that it seemed to be related to
/>/ faulty TCP segment offload.
/
Yeah, wow. You just jogged my memory. Intel 82573(V/L/E) ethernet
adapters had a serious bug that would cause TX hangs:
http://downloadmirror.intel.com/9180/eng/README.txt
"82573(V/L/E) TX Unit Hang Messages"
Bob, what model cards did you have in your server?
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http://www.supermicro.com/products/system/2U/6026/SYS-6026T-NTR_.cfm
Intel® 82576 Dual-Port Gigabit Ethernet Controller (though I think this
is basically e1000)
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