Re: [vpp-dev] Build failing on AArch64

2018-11-28 Thread Ole Troan
Sirshak,

Can you try adding:

DEPENDS api_headers

Inside
add_vpp_executable(vpp_api_test ENABLE_EXPORTS

in src/vat/CMakeLists.txt 

Cheers,
Ole

> On 28 Nov 2018, at 06:32, Sirshak Das  wrote:
> 
> It takes 3 iterations to get to a proper build:
> 
> First Iteration:
> 
> FAILED: vat/CMakeFiles/vpp_api_test.dir/types.c.o 
> ccache /usr/lib/ccache/cc -DHAVE_MEMFD_CREATE -Dvpp_api_test_EXPORTS 
> -I/home/sirdas/code/commitc/vpp/src -I. -Iinclude -march=armv8-a+crc -g -O2 
> -DFORTIFY_SOURCE=2 -fstack-protector -fPIC -Werror   
> -Wno-address-of-packed-member -pthread -MD -MT 
> vat/CMakeFiles/vpp_api_test.dir/types.c.o -MF 
> vat/CMakeFiles/vpp_api_test.dir/types.c.o.d -o 
> vat/CMakeFiles/vpp_api_test.dir/types.c.o   -c 
> /home/sirdas/code/commitc/vpp/src/vat/types.c
> In file included from 
> /home/sirdas/code/commitc/vpp/src/vpp/api/vpe_all_api_h.h:25,
>from /home/sirdas/code/commitc/vpp/src/vpp/api/types.h:20,
>from /home/sirdas/code/commitc/vpp/src/vat/types.c:19:
> /home/sirdas/code/commitc/vpp/src/vnet/vnet_all_api_h.h:32:10: fatal error: 
> vnet/bonding/bond.api.h: No such file or directory
> #include 
> ^
> 
> Second Iteration:
> 
> FAILED: vat/CMakeFiles/vpp_api_test.dir/types.c.o 
> ccache /usr/lib/ccache/cc -DHAVE_MEMFD_CREATE -Dvpp_api_test_EXPORTS 
> -I/home/sirdas/code/commitc/vpp/src -I. -Iinclude -march=armv8-a+crc -g -O2 
> -DFORTIFY_SOURCE=2 -fstack-protector -fPIC -Werror   
> -Wno-address-of-packed-member -pthread -MD -MT 
> vat/CMakeFiles/vpp_api_test.dir/types.c.o -MF 
> vat/CMakeFiles/vpp_api_test.dir/types.c.o.d -o 
> vat/CMakeFiles/vpp_api_test.dir/types.c.o   -c 
> /home/sirdas/code/commitc/vpp/src/vat/types.c
> In file included from /home/sirdas/code/commitc/vpp/src/vpp/api/types.h:20,
>from /home/sirdas/code/commitc/vpp/src/vat/types.c:19:
> /home/sirdas/code/commitc/vpp/src/vpp/api/vpe_all_api_h.h:32:10: fatal error: 
> vpp/stats/stats.api.h: No such file or directory
> #include 
> ^~~
> compilation terminated.
> [142/1163] Building C object vat/CMakeFiles/vpp_api_test.dir/api_format.c.o^C
> ninja: build stopped: interrupted by user.
> Makefile:691: recipe for target 'vpp-build' failed
> make[1]: *** [vpp-build] Interrupt
> Makefile:366: recipe for target 'build-release' failed
> make: *** [build-release] Interrupt
> 
> Had to kill as it was stuck.
> 
> Third Interation:
> 
> Finally it got built properly.
> 
> This is a manageble error for dev purposes but will give lot false
> negatives for CI.
> Anyone familiar with VAT please help.
> 
> 
> Thank you
> Sirshak Das
> 
> Ole Troan writes:
> 
>> Juraj,
>> 
>> Seems like a dependency problem. VAT depends on a generated file that hasn’t 
>> been generated yet. 
>> 
>> Ole
>> 
>>> On 27 Nov 2018, at 18:04, Juraj Linkeš  wrote:
>>> 
>>> Hi Ole,
>>> 
>>>  I'm hitting the same issue.
>>> 
>>>  Running the build with V=2 doesn't actually produce more 
>>> output.
>>> 
>>> Which means my logs are the same as Sirshak's. But in any case I attached 
>>> the output from a run with V=2.
>>> 
>>> I can provide other info if there's more you need - or you can try 
>>> accessing one of our ThunderX's in the FD.io lab if you have access.
>>> 
>>> Thanks,
>>> Juraj
>>> 
>>> From: Ole Troan [mailto:otr...@employees.org] 
>>> Sent: Tuesday, November 27, 2018 5:43 PM
>>> To: Juraj Linkeš 
>>> Cc: Sirshak Das ; vpp-dev@lists.fd.io; Honnappa 
>>> Nagarahalli ; Lijian Zhang (Arm Technology 
>>> China) 
>>> Subject: Re: [vpp-dev] Build failing on AArch64
>>> 
>>> Juraj,
>>> 
>>> Without a make log this is just a guessing game. 
>>> 
>>> Cheers 
>>> Ole
>>> 
>>> On 27 Nov 2018, at 17:34, Juraj Linkeš  wrote:
>>> 
>>> Hi Sirshak and Ole,
>>> 
>>> I'm hitting the same issue. The build fails on a clean repository, but the 
>>> subsequent build works fine, which is fine for local builds, but still 
>>> needs to be fixed.
>>> 
>>> Running the build with V=2 doesn't actually produce more output. There one 
>>> more bit of information I can provide - this behavior is present on 
>>> Ubuntu1804 (4.15.0-38-generic), but builds on Ubuntu1604 
>>> (4.4.0-138-generic) work right away, which explains why CI didn't catch it.
>>> 
>>> This is the patch that introduced the issue: 
>>> https://gerrit.fd.io/r/#/c/16109/
>>> 
>>> Juraj
>>> 
>>> From: Ole Troan [mailto:otr...@employees.org] 
>>> Sent: Monday, November 26, 2018 9:26 AM
>>> To: Sirshak Das 
>>> Cc: vpp-dev@lists.fd.io; Honnappa Nagarahalli 
>>> ; Juraj Linkeš ; 
>>> Lijian Zhang (Arm Technology China) 
>>> Subject: Re: [vpp-dev] Build failing on AArch64
>>> 
>>> Sirshak,
>>> 
>>> Can you touch one of the .api files and rebuild with V=2 and show the 
>>> output of that?
>>> It might be that vppapigen fails for some reason (or try to run it manually 
>>> and see).
>>> 
>>> Ole
>>> 
 On 26 Nov 2018, at 06:48, Sirshak Das  wrote:
 
 Hi all,
 
 I am currently f

Re: [vpp-dev] vppcom: why __vcl_worker_index is thread local? #vpp

2018-11-28 Thread manuel . alonso
Ok, thank you for the clarification. So, as far as I understand, host-stack 
preloading is not intended to work with forkable(because of the ldp destructor) 
and/or threadable(because of mentioned index) applications.

BR,
Manuel
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Re: [vpp-dev] SIGSEGV after calling vlib_get_frame_to_node

2018-11-28 Thread Dave Barach via Lists.Fd.Io
None of the routine names in the backtrace exist in master/latest – it’s your 
code - so it will be challenging for the community to help you.

See if you can repro the problem with a TAG=vpp_debug images (aka “make build” 
not “make build-release”). If you’re lucky, one of the numerous ASSERTs will 
catch the problem early.

vlib_get_frame_to_node(...) is not new code, it’s used all over the place, and 
it needs “help” to fail as shown below.

D.

From: vpp-dev@lists.fd.io  On Behalf Of Hugo Garza
Sent: Tuesday, November 27, 2018 7:39 PM
To: vpp-dev@lists.fd.io
Subject: [vpp-dev] SIGSEGV after calling vlib_get_frame_to_node

Hi vpp-dev,

I'm seeing a crash when I enable our application with multiple works.
Nov 26 14:29:32  vnet[64035]: received signal SIGSEGV, PC 0x7f6979a12ce8, 
faulting address 0x7fa6cd0bd444
Nov 26 14:29:32  vnet[64035]: #0  0x7f6a812743d8 0x7f6a812743d8
Nov 26 14:29:32  vnet[64035]: #1  0x7f6a80bc56d0 0x7f6a80bc56d0
Nov 26 14:29:32  vnet[64035]: #2  0x7f6979a12ce8 vlib_frame_vector_args + 
0x10
Nov 26 14:29:32  vnet[64035]: #3  0x7f6979a16a2c tcpo_enqueue_to_output_i + 
0xf4
Nov 26 14:29:32  vnet[64035]: #4  0x7f6979a16b23 tcpo_enqueue_to_output + 
0x25
Nov 26 14:29:32  vnet[64035]: #5  0x7f6979a33fba send_packets + 0x7f2
Nov 26 14:29:32  vnet[64035]: #6  0x7f6979a346f8 connection_tx + 0x17e
Nov 26 14:29:32  vnet[64035]: #7  0x7f6979a34f08 tcpo_dispatch_node_fn + 
0x7fa
Nov 26 14:29:32  vnet[64035]: #8  0x7f6a81248cb6 vlib_worker_loop + 0x6a6
Nov 26 14:29:32  vnet[64035]: #9  0x7f6a8094f694 0x7f6a8094f694

Running on CentOS 7.4  with kernel 3.10.0-693.el7.x86_64
VPP
Version:  v18.10-13~g00adcce~b60
Compiled by:  root
Compile host: b0f32e97e93a
Compile date: Mon Nov 26 09:09:42 UTC 2018
Compile location: /w/workspace/vpp-merge-1810-centos7
Compiler: GCC 7.3.1 20180303 (Red Hat 7.3.1-5)
Current PID:  9612

On a Cisco server with 2 socket Intel Xeon E5-2697Av4 @ 2.60GHz and 2 Intel 
X520 NICs. T-Rex traffic generator is hooked up on the other end to provided 
data at about 5Gbps per NIC.
./t-rex-64 --astf -f astf/nginx_wget.py -c 14 -m 4 -d 3000

startup.conf
unix {
  nodaemon
  interactive
  log /opt/tcpo/logs/vpp.log
  full-coredump
  cli-no-banner
  #startup-config /opt/tcpo/conf/local.conf
  cli-listen /run/vpp/cli.sock
}
api-trace {
  on
}
heapsize 3G
cpu {
  main-core 1
  corelist-workers 2-5
}
tcpo {
runtime-config /opt/tcpo/conf/runtime.conf
session-pool-size 1024000
}
dpdk {
  dev :86:00.0 {
num-rx-queues 1
  }
  dev :86:00.1 {
num-rx-queues 1
  }
  dev :84:00.0 {
num-rx-queues 1
  }
  dev :84:00.1 {
num-rx-queues 1
  }
  num-mbufs 1024000
  socket-mem 4096,4096
}
plugin_path /usr/lib/vpp_plugins
api-segment {
  gid vpp
}

Here's the function where the SIGSEGV is happening:

static void enqueue_to_output_i(tcpo_worker_ctx_t * wrk, u32 bi, u8 flush) {

u32 *to_next, next_index;

vlib_frame_t *f;



TRACE_FUNC_VAR(bi);



next_index = tcpo_output_node.index;



/* Get frame to output node */

f = wrk->tx_frame;

if (!f) {

f = vlib_get_frame_to_node(wrk->vm, next_index);

ASSERT (clib_mem_is_heap_object (f));

wrk->tx_frame = f;

}

ASSERT (clib_mem_is_heap_object (f));



to_next = vlib_frame_vector_args(f);

to_next[f->n_vectors] = bi;

f->n_vectors += 1;



if (flush || f->n_vectors == VLIB_FRAME_SIZE) {

TRACE_FUNC_VAR2(flush, f->n_vectors);

vlib_put_frame_to_node(wrk->vm, next_index, f);

wrk->tx_frame = 0;

}

}


I've observed that after a few Gbps of traffic go through and we call 
vlib_get_frame_to_node the pointer f that gets returned points to a chunk of 
memory that is invalid as confirmed by the assert statement that I added 
afterwards right below.

Not sure how to progress further on tracking down this issue, any help or 
advice would be much appreciated.

Thanks,
Hugo
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[vpp-dev] question about multicast mpls

2018-11-28 Thread xyxue

Hi guys,

I found "multicast" in the mpls cli. Is the vpp support multicast mpls now ?
Is there any example show about multicast mpls?

Thank you very much for your reply.

Thanks,
Xue


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[vpp-dev] question about ROSEN MVPN

2018-11-28 Thread xyxue
Hi guys,

Is the vpp support the forwarding about ROSEN MVPN(described in RFC 6037)?
Or is the vpp support roadmap?

Thank you very much for your reply.

Thanks,
Xue


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[vpp-dev] Regarding own pthreads

2018-11-28 Thread Prashant Upadhyaya
Hi,

If I spawn some of my own pthreads from the main thread, then can I
use the clib functions inside my own pthread, eg. clib_mem_alloc/free
safely ?
In general, are there any guidelines to be followed regarding own
pthreads, would appreciate any input on this front.

Regards
-Prashant
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Re: [vpp-dev] Regarding own pthreads

2018-11-28 Thread Dave Barach via Lists.Fd.Io
The main vpp heap is thread-safe, so yes, you can use clib_mem_alloc(...) / 
clib_mem_free(...). 

Please use the VLIB_REGISTER_THREAD(...) macro, which offers a number of 
controls beyond "just go spin up a thread..."

D.

-Original Message-
From: vpp-dev@lists.fd.io  On Behalf Of Prashant Upadhyaya
Sent: Wednesday, November 28, 2018 7:21 AM
To: vpp-dev@lists.fd.io
Subject: [vpp-dev] Regarding own pthreads

Hi,

If I spawn some of my own pthreads from the main thread, then can I use the 
clib functions inside my own pthread, eg. clib_mem_alloc/free safely ?
In general, are there any guidelines to be followed regarding own pthreads, 
would appreciate any input on this front.

Regards
-Prashant
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Re: [vpp-dev] question about multicast mpls

2018-11-28 Thread Neale Ranns via Lists.Fd.Io
Hi Xue,

MPLS multicast has been supported for a while. Please see the unit tests for 
examples: test/test_mpls.py test_mcast_*()

Regards,
Neale


De :  au nom de xyxue 
Date : mercredi 28 novembre 2018 à 13:04
À : vpp-dev 
Objet : [vpp-dev] question about multicast mpls


Hi guys,

I found "multicast" in the mpls cli. Is the vpp support multicast mpls now ?
Is there any example show about multicast mpls?

Thank you very much for your reply.

Thanks,
Xue

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Re: [vpp-dev] question about ROSEN MVPN

2018-11-28 Thread Neale Ranns via Lists.Fd.Io
Hi Xue,

To my knowledge it has not been tried nor tested. GRE interfaces today do not 
support a multicast destination address. However, other tunnel types (like 
VXLAN) do so adding support shouldn’t be too hard. After that the mfib support 
egress out of any interface type.

I also have a draft in the pipeline that supports recursing through an mfib 
entry that will simplify multicast tunnel implementations.

Regards,
neale


De :  au nom de xyxue 
Date : mercredi 28 novembre 2018 à 13:06
À : vpp-dev 
Objet : [vpp-dev] question about ROSEN MVPN

Hi guys,

Is the vpp support the forwarding about ROSEN MVPN(described in RFC 6037)?
Or is the vpp support roadmap?

Thank you very much for your reply.

Thanks,
Xue

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[vpp-dev] #VPP_1804 What causes messages "binary API client 'client_name' died" and "cleanup ghost pid 'PID_NO' " to apear in vppctl #binapi #vpp

2018-11-28 Thread Seyyed Mojtaba Rezvani via Lists.Fd.Io
Dear friends,
I was wondering what could cause these messages to be appeared on vppctl 
console;
vl_mem_send_client_keepalive_w_reg:539: REAPER: binary API client 'client_name' 
died
and
svm_client_scan_this_region_nolock:1249: /global_vm: cleanup ghost pid PID_NO
I am developing on VPP 18.04 and these clib_warnings appearing in vppctl a lot.
I will be very thankful if someone could guide me through this.
yours sincerely,
Seyyed Mojtaba Rezvani
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Re: [vpp-dev] vppcom: why __vcl_worker_index is thread local? #vpp

2018-11-28 Thread Florin Coras
I am working on enabling forking with LDP but keep in mind that we mainly 
support it for testing purposes. That is, it can’t work with statically linked 
applications and we don’t plan on supporting all possible 
socket/setsockopts/getsockopts/fcntl options. 

Florin

> On Nov 28, 2018, at 3:15 AM, manuel.alo...@cavium.com wrote:
> 
> Ok, thank you for the clarification. So, as far as I understand, host-stack 
> preloading is not intended to work with forkable(because of the ldp 
> destructor) and/or threadable(because of mentioned index) applications.
> 
> 
> BR,
> Manuel -=-=-=-=-=-=-=-=-=-=-=-
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[vpp-dev] Verify issues (GRE)

2018-11-28 Thread Ole Troan
Guys,

The verify job have been unstable over the last few days.
We see some instability in the Jenkins build system, in the test harness 
itself, and in the tests.
On my 18.04 machine I’m seeing intermittent failures in GRE, GBP, DHCP, VCL.

It looks like Jenkins is functioning correctly now.
Ed and I are also testing a revert of all the changes made to the test 
framework itself over the last couple of days. A bit harsh, but we think this 
might be the quickest way back to some level of stability.

Then we need to fix the tests that are in themselves unstable.

Any volunteers to see if they can figure out why GRE fails?

Cheers,
Ole


GRE Test Case 
==
GRE IPv4 tunnel TestsOK
GRE IPv6 tunnel TestsOK
GRE tunnel L2 Tests  OK
19:37:47,505 Unexpected packets captured:
Packet #0:
  0201FF0202FE70A06AD308004500 p.j...E.
0010  002A00013F11219FAC100101AC10 .*?.!...
0020  010204D204D2001672A9343336392033 r.4369 3
0030  2033202D31202D31  3 -1 -1

###[ Ethernet ]### 
  dst   = 02:01:00:00:ff:02
  src   = 02:fe:70:a0:6a:d3
  type  = IPv4
###[ IP ]### 
 version   = 4
 ihl   = 5
 tos   = 0x0
 len   = 42
 id= 1
 flags = 
 frag  = 0
 ttl   = 63
 proto = udp
 chksum= 0x219f
 src   = 172.16.1.1
 dst   = 172.16.1.2
 \options   \
###[ UDP ]### 
sport = 1234
dport = 1234
len   = 22
chksum= 0x72a9
###[ Raw ]### 
   load  = '4369 3 3 -1 -1'

Ten more packets


###[ UDP ]### 
sport = 1234
dport = 1234
len   = 22
chksum= 0x72a9
###[ Raw ]### 
   load  = '4369 3 3 -1 -1'

** Ten more packets

Print limit reached, 10 out of 257 packets printed
19:37:47,770 REG: Couldn't remove configuration for object(s):
19:37:47,770 
GRE tunnel VRF Tests ERROR 
[ temp dir used by test case: /tmp/vpp-unittest-TestGRE-hthaHC ]

==
ERROR: GRE tunnel VRF Tests
--
Traceback (most recent call last):
  File "/vpp/16257/test/test_gre.py", line 61, in tearDown
super(TestGRE, self).tearDown()
  File "/vpp/16257/test/framework.py", line 546, in tearDown
self.registry.remove_vpp_config(self.logger)
  File "/vpp/16257/test/vpp_object.py", line 86, in remove_vpp_config
(", ".join(str(x) for x in failed)))
Exception: Couldn't remove configuration for object(s): 1:2.2.2.2/32

==
FAIL: GRE tunnel VRF Tests
--
Traceback (most recent call last):
  File "/vpp/16257/test/test_gre.py", line 787, in test_gre_vrf
remark="GRE decap packets in wrong VRF")
  File "/vpp/16257/test/vpp_pg_interface.py", line 264, in 
assert_nothing_captured
(self.name, remark))
AssertionError: Non-empty capture file present for interface pg0 (GRE decap 
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[vpp-dev] DPDK 18.11 (stable LTE)

2018-11-28 Thread Bly, Mike
Hello,

Can someone tell me what the next release of VPP will be, which will use 
DPDK-18.11? I am a bit hesitant about using a non-stable release, e.g. 
DPDK:18.08. I am asking as I have seen several email responses here advocating 
folks move to VPP:18.10, which of course uses DPDK:18.08. Will VPP:19.01 be 
picking up DPDK:18.11?

Regards,
Mike
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Re: [vpp-dev] DPDK 18.11 (stable LTE)

2018-11-28 Thread Damjan Marion via Lists.Fd.Io


— 
Damjan

> On 28 Nov 2018, at 21:49, Bly, Mike  wrote:
> 
> Hello,
>  
> Can someone tell me what the next release of VPP will be, which will use 
> DPDK-18.11? I am a bit hesitant about using a non-stable release, e.g. 
> DPDK:18.08. I am asking as I have seen several email responses here 
> advocating folks move to VPP:18.10, which of course uses DPDK:18.08. Will 
> VPP:19.01 be picking up DPDK:18.11?
>  
Already in gerrit

https://gerrit.fd.io/r/#/c/16214/

Will be merged after a bit of testing...
> -
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Re: [**EXTERNAL**] Re: [vpp-dev] DPDK 18.11 (stable LTE)

2018-11-28 Thread Bly, Mike
As always, one step ahead of my questions. ☺

Thank you,
Mike

From: vpp-dev@lists.fd.io  On Behalf Of Damjan Marion via 
Lists.Fd.Io
Sent: Wednesday, November 28, 2018 12:55 PM
To: Bly, Mike 
Cc: vpp-dev@lists.fd.io
Subject: [**EXTERNAL**] Re: [vpp-dev] DPDK 18.11 (stable LTE)


—
Damjan

On 28 Nov 2018, at 21:49, Bly, Mike mailto:m...@ciena.com>> 
wrote:
Hello,

Can someone tell me what the next release of VPP will be, which will use 
DPDK-18.11? I am a bit hesitant about using a non-stable release, e.g. 
DPDK:18.08. I am asking as I have seen several email responses here advocating 
folks move to VPP:18.10, which of course uses DPDK:18.08. Will VPP:19.01 be 
picking up DPDK:18.11?

Already in gerrit

https://gerrit.fd.io/r/#/c/16214/

Will be merged after a bit of testing...

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