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Re: NDT 3.6.5 on a 3.2.x kernel


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  • From: "Daniel A. Ramaley" <>
  • To:
  • Subject: Re: NDT 3.6.5 on a 3.2.x kernel
  • Date: Wed, 27 Mar 2013 08:48:04 -0500
  • Authentication-results: sfpop-ironport04.merit.edu; dkim=neutral (message not signed) header.i=none
  • Organization: Drake University

Thanks to everyone for the help so far. I'll take a look at these
patches and see what i can figure out. Thank you!

On 2013-03-27 at 06:57:19, you wrote:
>Hi Daniel,
>
>As Alan noted, NDT currently only works with web100, and not web10g.
>However, Richard Sanger has produced a set of patches for using NDT
>with web10g. I've cc'd Richard who may know the current state of the
>patches (I've attached the most recent copies I know of), and which
>version of NDT they apply to.
>
>Cheers,
>Aaron
>
>On Mar 26, 2013, at 4:47 PM, Daniel A. Ramaley
<>
wrote:
>> Hello. I'm trying to get NDT working on Debian Wheezy. When i run
>> the tests, they seem to start but then nothing else is displayed:
>>
>>
>>
>> TCP/Web100 Network Diagnostic tool v3.6.5
>> Click START to start the test
>>
>> ** Starting test 1 of 1 **
>> Connection to 'ndt01.drake.edu' [ndt01.drake.edu/10.11.1.5] to run
>> test Connected to: ndt01.drake.edu-- Using IPv4 address
>>
>>
>>
>> If i run ndtd with "-dddd", this is the output i get from it:
>>
>>
>>
>> ANL/Internet2 NDT ver 3.6.5
>>
>> Variables file = /usr/local/ndt/web100_variables
>> log file = /var/log/web100srv.log
>> Admin file = /usr/local/ndt/admin.html
>> Debug level set to 4
>>
>> server ready on port 3001
>> web100_init() read 69 variables from file
>> Signal 17 received by process 3822
>> successfully locked '/tmp/view.string' for updating
>> sending '0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,,' to tmp
>> file Generated iflist with device=eth0 and if_speed=3
>> nothing in queue
>> Timer not running, waiting for new connection
>> New connection received, waiting for accept() to complete
>> New connection received from 0x925280 [10.11.1.18] sockfd=5.
>> Child thinks pipe() returned fd0=6, fd1=7 for pid=0
>> web100_attach: could not parse /proc/web100/header
>> Signal 17 received by process 3822
>> Client connect received from :IP 10.11.1.18 to some server on socket
>> 5 initialize_tests returned old/new client = 1, test_suite = 1 8 2
>> 4 32 Line just before ChldRdy: label, did't get here via the goto
>> statement! ___-------______ client process is ready for testing!
>> Telling client 3826 testing will begin now
>> Signal 13 received by process 3822
>> Dispatch multi-client failed because 'Broken pipe'
>> Queue pointer=3826, testing=1, waiting=1, mclients=0, zombie_check=0
>> Processing SIGCHLD signal for active web100srv process [0], sig17=1
>> wait3() returned status=256 for PID=3826
>> wexitstatus = '1'
>> Main test process 3826 terminated, remove from queue
>> Attempting to clean up child 3826, head pid = 3826
>> Removing Child from head, decremented waiting/mclients 0/0
>> Timer not running, waiting for new connection
>>
>>
>>
>> As for how i set this up, Debian uses a 3.2.x kernel, so i got the
>> kernel patch from web10g.org instead of from
>> www.web100.org<http://www.web100.org>. After installing the patched
>> kernel i installed both the newer Web10g and older Web100
>> userlands. Then i installed NDT. I can provide detailed steps on
>> exactly what commands i ran, but i suspect the problem is with the
>> kernel patch since the NDT debug output mentions it could not parse
>> /proc/web100/header. How can i get the /proc/web100 directory to
>> show up with the newer Web10g patches? The Web100 patches don't
>> seem to be available for newer kernels, and the Web100 download
>> page even specifically says to download the Web10g patch instead.
>> What do i need to do differently to make this work?
>>
>> Thanks in advance for any enlightenment.
>> __
>> Daniel A. Ramaley
>> Network Engineer 2
>>
>> Dial Center 112, Drake University
>> 2407 Carpenter Ave / Des Moines IA 50311 USA
>> Tel: +1 515 271-4540
>> Fax: +1 515 271-1938
>> E-mail:
>>

__
Daniel A. Ramaley
Network Engineer 2

Dial Center 112, Drake University
2407 Carpenter Ave / Des Moines IA 50311 USA
Tel: +1 515 271-4540
Fax: +1 515 271-1938
E-mail:




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