perfSONAR User Q&A and Other Discussion

[Takatoshi Ikeda <>]

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 
<>