Olivier,

Thanks for your reply.

Using SIPp v1.1-PCAP, version 20070228:

UAS: ./sipp -sn uas -rtp_echo -mi 10.0.0.1
UAC: ./sipp -trace_msg -trace_err -sn uac_pcap 10.0.0.1

after some time running on high speed (calls per second), uac crashed with:
--
2007-03-04 19:56:46: send_packets.c: sendto failed with error:
Resource temporarily unavailable.
sipp: There were more errors, see 'uac_pcap_4878_errors.log' file
--
# head uac_pcap_4878_errors.log
sipp: The following events occured:
2007-03-04 19:56:44: send_packets.c: sendto failed with error:
Resource temporarily unavailable.
2007-03-04 19:56:44: send_packets.c: sendto failed with error:
Resource temporarily unavailable.
2007-03-04 19:56:44: send_packets.c: sendto failed with error:
Resource temporarily unavailable.
2007-03-04 19:56:44: send_packets.c: sendto failed with error:
Resource temporarily unavailable.
2007-03-04 19:56:44: send_packets.c: sendto failed with error:
Resource temporarily unavailable.

(all messages are same, time from 19:56:44 to 19:56:47)
--
# wc -l uac_pcap_4878_errors.log
118 uac_pcap_4878_errors.log
--
last messages from uac_pcap_4878_messages.log:
----------------------------------------------- 2007-03-04 19:56:39 UDP message 
sent:

BYE sip:[EMAIL PROTECTED]:5060 SIP/2.0
Via: SIP/2.0/UDP 10.0.0.6:5060;branch=z9hG4bK-4878-129-9
From: sipp <sip:[EMAIL PROTECTED]:5060>;tag=4878SIPpTag09129
To: sut <sip:[EMAIL PROTECTED]:5060>;tag=5447SIPpTag013047
Call-ID: [EMAIL PROTECTED]
CSeq: 2 BYE
Contact: sip:[EMAIL PROTECTED]:5060
Max-Forwards: 70
Subject: Performance Test
Content-Length: 0


----------------------------------------------- 2007-03-04 19:56:39 UDP message 
sent:

BYE sip:[EMAIL PROTECTED]:5060 SIP/2.0
Via: SIP/2.0/UDP 10.0.0.6:5060;branch=z9hG4bK-4878-130-9
From: sipp <sip:[EMAIL PROTECTED]:5060>;tag=4878SIPpTag09130
To: sut <sip:[EMAIL PROTECTED]:5060>;tag=5447SIPpTag013048
Call-ID: [EMAIL PROTECTED]
CSeq: 2 BYE
Contact: sip:[EMAIL PROTECTED]:5060
Max-Forwards: 70
Subject: Performance Test
Content-Length: 0


----------------------------------------------- 2007-03-04 19:56:39 UDP message 
sent:

BYE sip:[EMAIL PROTECTED]:5060 SIP/2.0
Via: SIP/2.0/UDP 10.0.0.6:5060;branch=z9hG4bK-4878-131-9
From: sipp <sip:[EMAIL PROTECTED]:5060>;tag=4878SIPpTag09131
To: sut <sip:[EMAIL PROTECTED]:5060>;tag=5447SIPpTag013049
Call-ID: [EMAIL PROTECTED]
CSeq: 2 BYE
Contact: sip:[EMAIL PROTECTED]:5060
Max-Forwards: 70
Subject: Performance Test
Content-Length: 0


----------------------------------------------- 2007-03-04 19:56:39 UDP message 
sent:

BYE sip:[EMAIL PROTECTED]:5060 SIP/2.0
Via: SIP/2.0/UDP 10.0.0.6:5060;branch=z9hG4bK-4878-132-9
From: sipp <sip:[EMAIL PROTECTED]:5060>;tag=4878SIPpTag09132
To: sut <sip:[EMAIL PROTECTED]:5060>;tag=5447SIPpTag013050
Call-ID: [EMAIL PROTECTED]
CSeq: 2 BYE
Contact: sip:[EMAIL PROTECTED]:5060
Max-Forwards: 70
Subject: Performance Test
Content-Length: 0

Let me know if you need any other info.

Regards,
Kevin


   
---------------------------------
 From: Boulkroune, Olivier (Non-HP:Atos Origin)  [mailto:[EMAIL PROTECTED] 
Sent: Friday, March 02, 2007 5:09  AM
To: [EMAIL PROTECTED];  [email protected]
Subject: [Bulk] RE: [Sipp-users]  Segmentation fault


   Hello  Kevin,
  
 May I ask you to retry  with the latest sipp version on both sides, and give 
us the –trace_msg and  –trace_err logs ?
  
 Regards,
 Olivier
  
   
---------------------------------
 
 De :  [EMAIL PROTECTED]  [mailto:[EMAIL PROTECTED] De la part de  [EMAIL 
PROTECTED]
Envoyé : mercredi 14 février 2007  17:50
À : [email protected]
Objet : [Sipp-users] Segmentation  fault

  
 In the process of setting up SIPp we came  across the following issues:

Setup:

./sipp -sn uac_pcap -i  10.0.0.6 -mp 6000 -trace_err 10.0.0.1
linux (uac) version 1.1rc6
Turion  2x, 512RAM, Debian Linux, 2.4.23 kernel. (runs as root user)

sipp -mi  10.0.0.1 -trace_err -rtp_echo -mp 6000 -sn uas
windows (uas) version  1.1rc8
Athlon, 512RAM, WindowsXP


Errors:

First:
UAS  (Win) reports error: Error on RTP echo reception - stopping echo - errno= 
4"  (sometimes errno=104 and doesn't echo RTP. but it works (accepts calls, and 
uac  is sending RTP)
However, after error uas continues to work.
Always shows 4  RTP packets received in all tests. (doesn't increase after  4)

Then:
RTP rate reported on UAC is about 5MB per sec, but after some  time
UAC crashes with error message: Aborting call on UDP retransmission  timeout 
for Call-ID '[EMAIL PROTECTED]'., then almost immediately  UAS
reports "CPU CONGESTED". (Guess is that this can’t be the result of sipp  crash 
on uac since sipp doesn't send anything after it crashes).

sipp:  There were more errors, see scenarioname_pid_errors.log file 
Segmentation fault  (core dumped)

uac_pcap_22018_errors.log contains many records  like:
2007-02-14 15:57:20: Discarding message which can't be mapped to a  known SIPp 
call:
SIP/2.0 200 OK
Via: SIP/2.0/UDP  10.0.0.6:5060;branch=z9hG4bK-24545-9
From: sipp  <sip:[EMAIL PROTECTED]:5060>;tag=24545
To: sut  <sip:[EMAIL PROTECTED]:5060>;tag=4816SIPpTag0124468
Call-ID:  [EMAIL PROTECTED]
CSeq: 2 BYE
Contact:  <sip:10.101.23.102:5060;transport=UDP>
Content-Length: 0

and at  the end of the file:
2007-02-14 15:57:25: send_packets.c: sendto failed with  error: 11.
2007-02-14 15:57:25: send_packets.c: sendto failed with error:  11.
2007-02-14 15:57:25: send_packets.c: sendto failed with error:  11.
2007-02-14 15:57:25: send_packets.c: sendto failed with error:  11.


Note:

(Edited send_packets.c to report errno number, not  text). This is "Resource 
temporarily unavailable".

With sipp recompiled  with –ggdb, in debugger see crash at call.cpp:1184, 
function call::run, line -  scenario[last_send_index] -> nb_timeout ++; 
last_send_index = 9,  scenario[last_send_index] = NULL.


Thank you for  SIPp!

Kevin



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