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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