Hi Chris,
Thanks a lot for the help and clarifying the same.
Sure yes I have not enabled the dpdk plugin while the testing .
Thanks & Regards,
Sreejith
On 21 June 2017 at 18:18, Luke, Chris <chris_l...@comcast.com> wrote:
> Do you have the DPDK plugin loaded? It looks like “no”.
>
>
>
> If not, it’s likely because the buffer allocator used when DPDK is not
> loaded is not yet thread-safe. I’ve done some early work on this but it’s
> not going to make it into the open for a while.
>
>
>
> For now, don’t enable worker threads if DPDK plugin isn’t loaded.
>
>
>
> Chris.
>
>
>
> *From: *<vpp-dev-boun...@lists.fd.io> on behalf of Sreejith Surendran
> Nair <sreejith.surendrann...@linaro.org>
> *Date: *Wednesday, June 21, 2017 at 02:33
> *To: *vpp-dev <vpp-dev@lists.fd.io>
> *Subject: *[vpp-dev] Help regarding af_packet worker thread assertion
>
>
>
> Hi All,
>
> This regarding running worker threads with af_packet interface on VM
> ubuntu 16.10.
>
> I have tried configuring the af_packet interface with cpu worker thread
> support but I am getting assertion fail not sure if it is due to worker
> thread getting scheduled on core 0.
>
> Config :
> -----------
>
> startup config:
> cpu {
> workers 1
> }
>
> DBGvpp# sh threads
> ID Name Type LWP Sched Policy (Priority)
> lcore Core Socket State
> 0 vpp_main 23372 other (0)
> 0 0 0
> 1 vpp_wk_0 workers 23376 other (0)
> 1 1 0
> 2 stats 23377 other (0)
> 0 0 0
> DBGvpp# create host-interface name enp0s9 hw-addr 08:00:27:06:00:de
> host-enp0s9
> DBGvpp# sh int
> Name Idx State Counter
> Count
> host-enp0s9 1 down
> local0 0 down
> DBGvpp# set int ip address host-enp0s9 192.168.56.104/24
> *DBGvpp# set int state host-enp0s9 up*
>
> GDB:
> ---------
>
> 1:
> /home/sreejith/Downloads/sachin_odp4vpp/odp4vpp/build-data/../src/vlib*/buffer_funcs.h:224
> (vlib_buffer_set_known_state) assertion `vlib_get_thread_index () == 0'
> fails*
> Failed to save post-mortem API trace to /tmp/api_post_mortem.23372
>
> Thread 2 "vpp_wk_0" received signal SIGABRT, Aborted.
> [Switching to Thread 0x7fff93493700 (LWP 23376)]
> __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58
> 58 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
> (gdb)
> (gdb) bt
> #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58
> #1 0x00007ffff5e203ea in __GI_abort () at abort.c:89
> #2 0x000055555555c29c in os_panic () at /home/sreejith/Downloads/
> sachin_odp4vpp/odp4vpp/build-data/../src/vpp/vnet/main.c:263
> #3 0x00007ffff6601959 in debugger () at /home/sreejith/Downloads/
> sachin_odp4vpp/odp4vpp/build-data/../src/vppinfra/error.c:84
> #4 0x00007ffff6601d61 in _clib_error (how_to_die=2, function_name=0x0,
> line_number=0, fmt=0x7ffff797b000 "%s:%d (%s) assertion `%s' fails")
> at /home/sreejith/Downloads/sachin_odp4vpp/odp4vpp/build-
> data/../src/vppinfra/error.c:143
> #*5 0x00007ffff78b58d2 in vlib_buffer_set_known_state
> (vm=0x7fffb5f046f8, buffer_index=68, state=VLIB_BUFFER_KNOWN_FREE)*
> at /home/sreejith/Downloads/sachin_odp4vpp/odp4vpp/build-
> data/../src/vlib/buffer_funcs.h:224
> #6 0x00007ffff78b87e8 in fill_free_list (vm=0x7fffb5f046f8,
> fl=0x7fffb6072140, min_free_buffers=256)
> at /home/sreejith/Downloads/sachin_odp4vpp/odp4vpp/build-
> data/../src/vlib/buffer.c:556
> #7 0x00007ffff78b8938 in alloc_from_free_list (vm=0x7fffb5f046f8,
> free_list=0x7fffb6072140, alloc_buffers=0x7fffb6483464, n_alloc_buffers=256)
> at /home/sreejith/Downloads/sachin_odp4vpp/odp4vpp/build-
> data/../src/vlib/buffer.c:592
> #8 0x00007ffff78b8b7c in vlib_buffer_alloc_internal (vm=0x7fffb5f046f8,
> buffers=0x7fffb6483464, n_buffers=256)
> at /home/sreejith/Downloads/sachin_odp4vpp/odp4vpp/build-
> data/../src/vlib/buffer.c:620
> #9 0x00007ffff73c15b4 in vlib_buffer_alloc (vm=0x7fffb5f046f8,
> buffers=0x7fffb6483464, n_buffers=256)
> at /home/sreejith/Downloads/sachin_odp4vpp/odp4vpp/build-
> data/../src/vlib/buffer_funcs.h:251
> #10 0x00007ffff73c2be0 in af_packet_device_input_fn (vm=0x7fffb5f046f8,
> node=0x7fffb6079d9c, frame=0x0, apif=0x7fffb5495a80)
> at /home/sreejith/Downloads/sachin_odp4vpp/odp4vpp/build-
> data/../src/vnet/devices/af_packet/node.c:141
> #11 0x00007ffff73c3337 in af_packet_input_fn (vm=0x7fffb5f046f8,
> node=0x7fffb6079d9c, frame=0x0)
> at /home/sreejith/Downloads/sachin_odp4vpp/odp4vpp/build-
> data/../src/vnet/devices/af_packet/node.c:259
> #12 0x00007ffff78f2fe6 in dispatch_node (vm=0x7fffb5f046f8,
> node=0x7fffb6079d9c, type=VLIB_NODE_TYPE_INPUT,
> dispatch_state=VLIB_NODE_STATE_INTERRUPT,
> frame=0x0,
> last_time_stamp=237041860335868) at /home/sreejith/Downloads/
> sachin_odp4vpp/odp4vpp/build-data/../src/vlib/main.c:1016
> #13 0x00007ffff78f4f5f in vlib_main_or_worker_loop (vm=0x7fffb5f046f8,
> is_main=0) at /home/sreejith/Downloads/sachin_odp4vpp/odp4vpp/build-
> data/../src/vlib/main.c:1552
> #14 0x00007ffff78f570f in vlib_worker_loop (vm=0x7fffb5f046f8) at
> /home/sreejith/Downloads/sachin_odp4vpp/odp4vpp/build-
> data/../src/vlib/main.c:1650
> #15 0x00007ffff793ef94 in vlib_worker_thread_fn (arg=0x7fffb5694e40) at
> /home/sreejith/Downloads/sachin_odp4vpp/odp4vpp/build-
> data/../src/vlib/threads.c:1378
> #16 0x00007ffff6624edc in clib_calljmp () at /home/sreejith/Downloads/
> sachin_odp4vpp/odp4vpp/build-data/../src/vppinfra/longjmp.S:110
> #17 0x00007fff93492ed0 in ?? ()
> #18 0x00007ffff793a4a5 in vlib_worker_thread_bootstrap_fn
> (arg=0x7fffb5694e40) at /home/sreejith/Downloads/
> sachin_odp4vpp/odp4vpp/build-data/../src/vlib/threads.c:464
> Backtrace stopped: previous frame inner to this frame (corrupt stack?)
> (gdb)
>
>
>
> It is not clear if I missed any needed config in the startup file
> configuration or an issue with an environment. I also tried on different
> Centos native machine but saw assertion.
>
> If possible could you please suggest if anything I missed out.
>
> Thanks & Regards,
>
> Sreejith
>
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