[dpdk-dev] Packet data out of bounds after rte_eth_rx_burst

Dor Green dorgreen1 at gmail.com
Tue Mar 24 11:54:14 CET 2015


I've managed to fix it so 1.8 works, and the segmentation fault still occurs.

On Tue, Mar 24, 2015 at 11:55 AM, Dor Green <dorgreen1 at gmail.com> wrote:
> I tried 1.8, but that fails to initialize my device and fails at the pci probe:
>     "Cause: Requested device 0000:04:00.1 cannot be used"
> Can't even compile 2.0rc2 atm, getting:
> "/usr/lib/gcc/x86_64-linux-gnu/4.6/include/emmintrin.h:701:1: note:
> expected '__m128i' but argument is of type 'int'"
> For reasons I don't understand.
>
> As for the example apps (in 1.7), I can run them properly but I don't
> think any of them do the same processing as I do. Note that mine does
> work with most packets.
>
>
> On Mon, Mar 23, 2015 at 11:24 PM, Matthew Hall <mhall at mhcomputing.net> wrote:
>> On Mon, Mar 23, 2015 at 05:19:00PM +0200, Dor Green wrote:
>>> I changed it to free and it still happens. Note that the segmentation fault
>>> happens before that anyway.
>>>
>>> I am using 1.7.1 at the moment. I can try using a newer version.
>>
>> I'm using 1.7.X in my open-source DPDK-based app and it works, but I have an
>> IGB 1-gigabit NIC though, and how RX / TX work are quite driver specific of
>> course.
>>
>> I suspect there's some issue with how things are working in your IXGBE NIC
>> driver / setup. Do the same failures occur inside of the DPDK's own sample
>> apps?
>>
>> Matthew.


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