> On Jan 29, 2015, at 2:33 AM, Manikanta Srinivas <[email protected]>
> wrote:
>
> Hi All,
>
> We are beginners to Rump Kernel. We have installed rump kernel on top of
> DPDK(1.8.0). We are facing an issue in loading -lrumpnet_dpdkif library.
>
> Please find the error below.
>
> root@tcs-Standard-PC-i440FX-PIIX-1996:/home/tcs/drv-netif-dpdk/rump/bin#./rump_server
> -lrumpnet_dpdkif unix:///tmp/net9
> failed to load -libraries, last error from "rumpnet_dpdkif":
> /home/tcs/drv-netif-dpdk/rump/lib/librumpnet_dpdkif.so: undefined symbol:
> rte_pktmbuf_init
>
> Could you please let us know whether its the correct way to run the
> rumpserver to load the dpdk library and help us with the hint to debug the
> issue.
Hi Manikanta,
Right now, DPDK’s libraries aren’t being built as shared-objects, so it’s a
bit more complicated to get rump_server to load them. You’re running into the
problem that DPDK librte’s symbols aren’t being resolved.
If you haven’t already, I’d suggest you try running
examples/tcp_http_get/webbrowser and then go from there. It will help you
verify that you have a working DPDK environment, and it will exercise the
rumpkernel functionality. For example, using eth2 (in this case, an Intel
X540):
# Using a built drv-netif-dpdk tree...
$ cd drv-netif-dpdk
$ sudo modprobe uio
$ sudo insmod ./dpdk/build/kmod/igb_uio.ko
$ sudo ./dpdk/tools/dpdk_nic_bind.py --bind=igb_uio eth2
$ ./examples/tcp_http_get/webbrowser
… assuming eth2 is plugged into a network with a DHCP server, and Internet
access, you should see the HTML from NetBSD’s website.
Thanks.
Alexander
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