perfSONAR User Q&A and Other Discussion

[Aaron Brown <>]

Hey Takatoshi,

I was able to reproduce and figured out what was happening. I’ve updated the 
bwctl version in the repository to 1.5.2-6 which should fix this issue. Let 
me know if you have any problems with it.

Cheers,
Aaron

On Jun 18, 2014, at 6:11 AM, Takatoshi Ikeda 
<>
 wrote:

> Dear Aaron-san,
> 
> This is the result.
> I did downgrade to avoid this issue but I've upgraded again for 
> the test. Still, I have same issue.
> 
> 
> *Receiver
> # /etc/init.d/iptables stop
> iptables: Setting chains to policy ACCEPT: filter          [  OK  ]
> iptables: Flushing firewall rules:                         [  OK  ]
> iptables: Unloading modules:                               [  OK  ]
> 
> # bwctl -V
> Version: 1.5.2-5
> 
> 
> *Sender
> # /etc/init.d/iptables stop
> iptables: Setting chains to policy ACCEPT: filter          [  OK  ]
> iptables: Flushing firewall rules:                         [  OK  ]
> iptables: Unloading modules:                               [  OK  ]
> 
> # bwctl -V
> Version: 1.5.2-5
> 
> # bwctl -c perf-sin -u -x
> bwctl: Using tool: iperf
> bwctl: 15 seconds until test results available
> 
> RECEIVER START
> bwctl: Remote 'client' (Sender) never initiated handshake: listening at
> port(6015) - canceling
> 
> RECEIVER END
> 
> SENDER START
> 
> SENDER END
> 
> 
> Best Regards,
> -Takatoshi Ikeda
> 
> 
> 
> On Tue, 17 Jun 2014 12:55:20 +0000
> Aaron Brown 
> <>
>  wrote:
> 
>> Hi Takatoshi,
>> 
>> That’s strange, given the error being seen. Could you run the bwctl 
>> command with the “-x” flag, and send the results? That should show both 
>> the send and receive side test messages.
>> 
>> Cheers,
>> Aaron
>> 
>> On Jun 16, 2014, at 9:09 PM, Takatoshi Ikeda 
>> <>
>>  wrote:
>> 
>>> Aaron-san,
>>> 
>>> It's only UDP iperf test. 
>>> I do scheduled test with TCP but it works fine.
>>> 
>>> Regards,
>>> -Takatoshi Ikeda
>>> 
>>> On Mon, 16 Jun 2014 13:17:12 +0000
>>> Aaron Brown 
>>> <>
>>>  wrote:
>>> 
>>>> Hi Takatoshi,
>>>> 
>>>> Is it only the UDP iperf that’s failing, or do other tests fail as well?
>>>> 
>>>> Cheers,
>>>> Aaron
>>>> 
>>>> On Jun 14, 2014, at 10:21 AM, Takatoshi Ikeda 
>>>> <>
>>>>  wrote:
>>>> 
>>>>> Dear Aaron,
>>>>> 
>>>>> Yes. I didn't modify the port for the iperf test.
>>>>> In addition, I did that test without iptables. 
>>>>> ( turn off it by "service iptables stop" )
>>>>> 
>>>>> regards,
>>>>> -Takatoshi Ikeda
>>>>> 
>>>>> 
>>>>> On Fri, 13 Jun 2014 14:37:24 +0000
>>>>> Aaron Brown 
>>>>> <>
>>>>>  wrote:
>>>>> 
>>>>>> Hi Takatoshi,
>>>>>> 
>>>>>> The error message that’s being seen is a common firewall error. Are 
>>>>>> they both using the same bwctld.conf?
>>>>>> 
>>>>>> Cheers,
>>>>>> Aaron
>>>>>> 
>>>>>> On Jun 13, 2014, at 2:36 AM, Takatoshi Ikeda 
>>>>>> <>
>>>>>>  wrote:
>>>>>> 
>>>>>>> Hello, 
>>>>>>> 
>>>>>>> After I upgrade the all the packages on our pSPT 3.3 system by yum.
>>>>>>> BWCTL test with UDP becomes failure.
>>>>>>> When I downgrade only BWCTL package to 1.5.1-20, it works again.
>>>>>>> 
>>>>>>> Followings are the detail information.
>>>>>>> Do you have any idea?
>>>>>>> 
>>>>>>> 
>>>>>>> -OS
>>>>>>>> uname -a
>>>>>>> Linux perf-sin.tein-jp.net 2.6.32-431.17.1.el6.aufs.web100.x86_64 #1 
>>>>>>> SMP Thu May 8 13:20:43 PDT 2014 x86_64 x86_64 x86_64 GNU/Linux
>>>>>>> 
>>>>>>> -BWCTL
>>>>>>>> rpm -qa|grep bwctl
>>>>>>> bwctl-client-1.5.2-5.el6.x86_64
>>>>>>> bwctl-server-1.5.2-5.el6.x86_64
>>>>>>> 
>>>>>>> -BWCTL test with UDP
>>>>>>>> bwctl -c XXXXXXX -u
>>>>>>> bwctl: Using tool: iperf
>>>>>>> bwctl: 16 seconds until test results available
>>>>>>> 
>>>>>>> RECEIVER START
>>>>>>> bwctl: start_endpoint: 3611628623.920596
>>>>>>> bwctl: run_endpoint: receiver: XXXXXXXXXXX
>>>>>>> bwctl: run_endpoint: sender: XXXXXXXXXXXX
>>>>>>> bwctl: Remote 'client' (XXXXXXXXXXXXXX) never initiated 
>>>>>>> handshake:listening at port(6116) - canceling
>>>>>>> bwctl: stop_endpoint: 3611628629.310156
>>>>>>> 
>>>>>>> 
>>>>>>> -Receiver log
>>>>>>> Jun 13 14:20:55 perf-sin bwctld[48187]: FILE=sapi.c, LINE=353, 
>>>>>>> Connection to
>>>>>>> (YYYYYYYYYYYYYYYY:4823) from (XXXXXXXXXXXXXX:54479)
>>>>>>> Jun 13 14:20:55 perf-sin bwctld[48187]: FILE=sapi.c, LINE=510,
>>>>>>> ControlSession([YYYYYYYYYYYY]:4823) accepted from
>>>>>>> userid(nil):(XXXXXXXXXXXXXX:54479)
>>>>>>> Jun 13 14:20:55 perf-sin bwctld[26647]: FILE=bwctld.c, LINE=791, Test 
>>>>>>> Reservation Information: Current Time: 1402636855, Fuzz: 1.976562, 
>>>>>>> Reservation Start: 1402636858, Reservation End: 1402636873, Test 
>>>>>>> Start Time: 1402636860
>>>>>>> Jun 13 14:20:55 perf-sin bwctld[26647]: FILE=bwctld.c, LINE=442, 
>>>>>>> Reservation Status: time=1402636855 action=new sender=XXXXXXXXXXXXXX 
>>>>>>> receiver=YYYYYYYYYYYY tool=iperf res_start=1402636858 
>>>>>>> res_end=1402636872 test_start=1402636860
>>>>>>> Jun 13 14:20:55 perf-sin bwctld[26647]: FILE=bwctld.c, LINE=822, Time 
>>>>>>> Slots
>>>>>>> Jun 13 14:20:55 perf-sin bwctld[26647]: FILE=bwctld.c, LINE=827, Time 
>>>>>>> Slot 1: 1402636858 to 1402636873: 1 reservations
>>>>>>> Jun 13 14:21:00 perf-sin bwctld[48188]: FILE=endpoint.c, LINE=864, 
>>>>>>> Endpoint peer connection could not accept(): listening at port(6052) 
>>>>>>> : Interrupted system call
>>>>>>> Jun 13 14:21:00 perf-sin bwctld[48188]: FILE=endpoint.c, LINE=873, 
>>>>>>> Endpoint: Signal = 14
>>>>>>> Jun 13 14:21:00 perf-sin bwctld[26647]: FILE=bwctld.c, LINE=442, 
>>>>>>> Reservation Status: time=1402636860 action=remove 
>>>>>>> sender=XXXXXXXXXXXXXX receiver=YYYYYYYYYYYY tool=iperf 
>>>>>>> res_start=1402636858 res_end=1402636872 test_start=1402636860
>>>>>>> 
>>>>>>> -Sender log
>>>>>>> Jun 13 14:20:55 perf-kote bwctld[56212]: FILE=sapi.c, LINE=353, 
>>>>>>> Connection to (XXXXXXXXXXXXXX:4823) from (YYYYYYYYYYYY:34829)
>>>>>>> Jun 13 14:20:55 perf-kote bwctld[56212]: FILE=sapi.c, LINE=510, 
>>>>>>> ControlSession(XXXXXXXXXXXXXX:4823) accepted from 
>>>>>>> userid(nil):(YYYYYYYYYYYY:34829)
>>>>>>> Jun 13 14:20:55 perf-kote bwctl: Using tool: iperf
>>>>>>> Jun 13 14:20:55 perf-kote bwctld[29146]: FILE=bwctld.c, LINE=791, 
>>>>>>> Test Reservation Information: Current Time: 1402636855, Fuzz: 
>>>>>>> 2.046875, Reservation Start: 1402636858, Reservation End: 1402636873, 
>>>>>>> Test Start Time: 1402636860
>>>>>>> Jun 13 14:20:55 perf-kote bwctld[29146]: FILE=bwctld.c, LINE=442, 
>>>>>>> Reservation Status: time=1402636855 action=new sender=XXXXXXXXXXXXXX 
>>>>>>> receiver=YYYYYYYYYYYY tool=iperf res_start=1402636858 
>>>>>>> res_end=1402636872 test_start=1402636860
>>>>>>> Jun 13 14:20:55 perf-kote bwctld[29146]: FILE=bwctld.c, LINE=822, 
>>>>>>> Time Slots
>>>>>>> Jun 13 14:20:55 perf-kote bwctld[29146]: FILE=bwctld.c, LINE=827, 
>>>>>>> Time Slot 1: 1402636858 to 1402636873: 1 reservations
>>>>>>> Jun 13 14:20:55 perf-kote bwctl: 16 seconds until test results 
>>>>>>> available
>>>>>>> Jun 13 14:20:55 perf-kote bwctld[56212]: FILE=endpoint.c, LINE=1455, 
>>>>>>> _BWLEndpointStatus: Child #56213 exited from signal #11
>>>>>>> Jun 13 14:20:55 perf-kote kernel: bwctld[56213]: segfault at 0 ip 
>>>>>>> (null) sp 00007ffffb82cbd8 error 14 in bwctld (deleted)[400000+40000]
>>>>>>> Jun 13 14:20:55 perf-kote bwctld[29146]: FILE=bwctld.c, LINE=442, 
>>>>>>> Reservation Status: time=1402636855 action=remove 
>>>>>>> sender=XXXXXXXXXXXXXX receiver=YYYYYYYYYYYY tool=iperf 
>>>>>>> res_start=1402636858 res_end=1402636872 test_start=1402636860
>>>>>>> 
>>>>>>> 
>>>>>>> -- 
>>>>>>> Takatoshi Ikeda 
>>>>>>> <>
>>>>>>> 
>>>>> 
>>>>> -- 
>>>>> Takatoshi Ikeda 
>>>>> <>
>>>>> 
>>> 
>>> -- 
>>> Takatoshi Ikeda 
>>> <>
>>> 
> 
> -- 
> Takatoshi Ikeda 
> <>
>