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From: Tomasz K <tomasz.kasowicz@gmail.com>
Date: Thu, 8 May 2014 09:18:09 +0200
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To: "Burakov, Anatoly" <anatoly.burakov@intel.com>
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Subject: Re: [dpdk-dev] DMAR errors when running testpmd
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Hi Anatoly

It seems that the problem was Ubuntu distribution.
We switched to Ubuntu 14.04 Server Edition and sending packets through NIC
works like charm

Thanks
Tomasz

PS.
This is for google to index in case anyone else has similar problems
If You are using:
HP ProLiant DL380p Gen8
HP SmartArray p420
Intel 82599EB

Use Ubuntu 14.04 as Your host OS !!!




2014-05-07 17:24 GMT+02:00 Burakov, Anatoly <anatoly.burakov@intel.com>:

> Hi Tomasz,
>
> > You guessed right...it doesn't
> > "show port stats all" always shows zeros.
>
> As I said earlier, such errors are usually related to errors in boot
> parameters, but your kernel cmdline looks perfectly fine, so unless there's
> something really odd happening, I can't see this being at fault.
>
> Another (rather unlikely, but I'll still mention it just in case) reason
> could be that you're using igb_uio module that is really old (I don't
> remember when igb_uio gained IOMMU support, probably 1.4.x), which is why I
> asked about DPDK version, but since you're using 1.6.0 you should be fine.
>
> Other than that, I'm afraid I can't think of any reasons why this could be
> happening. Did you try this on another board with the same OS?
>
> Best regards,
> Anatoly Burakov
> DPDK SW Engineer
>
>
>
>