Intel 82574L interface wedging on em 7.1.9/7.2.3 when MSIX enabled

[Hooman Fazaeli]

Hi,

Can yan you pls post the output of these command _when_ the problem happens?

uname -a
sysctl dev.em
netstat -ind
ifconfig


> I've got almost the same problem with intel 82574L based nic. My platform is nvidia ion running Atom 1.6 and nic is an external PCI-express adapter. Unlike Jason's case mine is always stuck in 
> receiving traffic, it's Ierrs increasing while Ipkts not. Thanks to Jason's script I can see those locks and interface flapping every several hours. My system is not a heavy loaded server but just a 
> home nas/router, usually routing at 100 mbps or less. Nither disabling MSIX nor tuning txd rxd doesn't help me.
>
>
>
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