ixgbe(4) and "Could not setup receive structures"

[K. Macy]

Also, how much memory do you have and what architecture?

On Thu, Apr 14, 2011 at 4:14 PM, Nikolay Denev <ndenev at gmail.com> wrote:
> On Apr 14, 2011, at 2:05 PM, Leon Meßner wrote:
>
>> Hi,
>>
>> i tried setting the mtu on one of my ixgbe(4) intel NICs to support
>> jumbo frames. This is on a box with RELENG_8 from today.
>>
>> # ifconfig ix0 mtu 9198
>>
>> I then get the following error:
>>
>> # tail -n 1 /var/log/messages
>> Apr 14 12:48:43 siloneu kernel: ix0: Could not setup receive structures
>>
>> I already tried the following patch because of Jack Vogel's advice given
>> in the following thread on -stable in Oct. last year, which still
>> produces the same error message and leaves the box unpingable:
>>
>> http://lists.freebsd.org/pipermail/freebsd-stable/2010-October/059541.html
>>
>> # cat ~/patches/ixgbe.num_queues_to_4.patch
>> --- /root/.vimbackup/ixgbe.c~   2011-04-12 22:14:27.000000000 +0000
>> +++ sys/dev/ixgbe/ixgbe.c       2011-04-12 22:14:27.000000000 +0000
>> @@ -273,7 +273,7 @@ TUNABLE_INT("hw.ixgbe.hdr_split", &ixgbe
>>  * number of cpus. Each queue is a pair
>>    * of RX and TX rings with a msix vector
>>      */
>>      -static int ixgbe_num_queues = 0;
>>      +static int ixgbe_num_queues = 4;
>>       TUNABLE_INT("hw.ixgbe.num_queues", &ixgbe_num_queues);
>>
>>        /*
>>
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>
> Hi,
>
> Have you tried increasing the following sysctls ? :
>
>    kern.ipc.nmbjumbo16
>    kern.ipc.nmbjumbo9
>    kern.ipc.nmbclusters
>
> Regards,
> Nikolay
>
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