Std::bad_alloc error

[Krishna Oza]

Hello every one when run some simulations based on adhoc networks some times I get the following error :: error in OLSR module std::bad_alloc. for some simulations the system works fine. Pls can anyone help resolve the above issue.

Also sometimes I used to suspect that this error is bcoz for low ram or swap but thats not the case.

[alfonso ariza]

Out of memory, the cause can be programming error or, if the scenery is very big OLSR will consume  a lot of memory. I have suffer a problem similar in win xp because, for a unknown reason, the memory manager didn’t work correctly and  the OS couldn’t reuse the memory, but ths same simulation was executed without problems in Linux.

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[Krishna Oza]

Ok thanks But I am using ubuntu linux and have 4 gb ram and 8gb swap space when i monitor the usage of both the memory using system monitor I see no usage of swap but a little say some 30-40 % usage of ram. I have a moderate size network of some 100 adhoc host talking over OLSR. But when I do run the same simulation on fedora 17 i get no error but the memory usage rises up for both ram and swap and also I ran to check it some different ubuntu m/c it worked fine.   The above error pops up at different nodes during different simulation runs.   I dont think there is an error at code level bcoz I do have same code on my fedora and ubuntu machines.  Pls help.

[alfonso ariza]

This behavior is bit strange, Std::bad_alloc is generated by the “new” and, usually, when the program run out of memory

[Rehman, Sabih-Ur]

Hi all

Anyone has worked on running veins in windows 8. Did you experience any difficulties?

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[Rehman, Sabih-Ur]

Attached here is the error.

Thanks.

________________________________________
From: omn...@googlegroups.com [omn...@googlegroups.com] On Behalf Of Rehman, Sabih-Ur [sare...@csu.edu.au]
Sent: Tuesday, 1 January 2013 3:30 PM
To: omn...@googlegroups.com
Subject: [Omnetpp-l] Veins working in Windows 8

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[Christoph Sommer]

Dear Sabih-Ur,

Rehman, Sabih-Ur wrote:
> Attached here is the error.

did you check if the error message is correct?


Best,

Christoph

[Rehman, Sabih-Ur]

Hi Chris

It seems correct as far as I can see. I have attached the screen shot again here. I have installed veins/omnet on other machine having windows 7 and also on windows xp, it works fine there. But here in windows 8, I keep giving errors each time mentioning ieee802p.exe stopped working. I wonder why?

Any suggestions?



________________________________________
From: omn...@googlegroups.com [omn...@googlegroups.com] On Behalf Of Christoph Sommer [christop...@uibk.ac.at]
Sent: Thursday, 3 January 2013 9:29 PM
To: omn...@googlegroups.com
Subject: Re: [Omnetpp-l] RE: Veins working in Windows 8

[Rehman, Sabih-Ur]

Hi Dr Christopher

It is giving different error each time I am trying to run veins. I have checked all intermediate steps as per tutorial. I have also checked that sumo is working by its own through command line, and it is. Any help here please.

[Rehman, Sabih-Ur]

Error attached.

Thanks

-----Original Message-----
From: omn...@googlegroups.com [mailto:omn...@googlegroups.com] On Behalf Of Rehman, Sabih-Ur
Sent: Monday, 7 January 2013 3:33 PM
To: omn...@googlegroups.com
Subject: RE: [Omnetpp-l] RE: Veins working in Windows 8

Hi Dr Christopher

It is giving different error each time I am trying to run veins. I have checked all intermediate steps as per tutorial. I have also checked that sumo is working by its own through command line, and it is. Any help here please.

-----Original Message-----
From: omn...@googlegroups.com [mailto:omn...@googlegroups.com] On Behalf Of Rehman, Sabih-Ur
Sent: Thursday, 3 January 2013 10:12 PM
To: omn...@googlegroups.com

[Christoph Sommer]

Rehman, Sabih-Ur wrote:
> It is giving different error each time I am trying to run

That sure sounds strange.

Are the errors you are getting somewhat similar or is it crashing at
completely random places?

Best,

Christoph

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University of Innsbruck, Austria
Phone: +43 512 507-53285 / Fax: -53079
http://ccs.uibk.ac.at/~sommer/

[Rehman, Sabih-Ur]

Actually Migw32 Error is shown below. And I get a message on GUI ieee80211p.exe has stopped working.

As far as I can see it is TraCIserver.cpp that is generating this error, but why I am unsure.

http://sumo.sourceforge.net/doc/current/docs/doxygen/d0/d7d/_tra_c_i_server_8cpp_source.html


Your thoughts?

--------------------------------------------------------------
Error
--------------------------------------------------------------
Welcome to OMNeT++ 4.2.2!

Sabih@Sabih ~
$ omnetpp
Starting the OMNeT++ IDE...

Sabih@Sabih ~
$ /c/omnetpp-4.2.2/veins-2.0/sumo-launchd.py -vv -c sumo.exe
Logging to c:\users\sabih\appdata\local\temp\sumo-launchd.log
Listening on port 9999
Connection from 127.0.0.1 on port 60611
Handling connection from 127.0.0.1 on port 60611
Got TraCI message of length 2
Got TraCI command of length 1
Got TraCI command 0x0
Got CMD_GETVERSION
Got TraCI message of length 291
Got TraCI command of length 286
Got TraCI command 0x75
Got CMD_FILE_SEND for "sumo-launchd.launch.xml"
Got CMD_FILE_SEND with data "<launch>
<copy file="erlangen.net.xml"/>
<copy file="erlangen.rou.xml"/>
<copy file="erlangen.poly.xml"/>
<copy file="erlangen.sumo.cfg" type="config"/>
<basedir path="C:/omnetpp-4.2.2/veins-2.0/examples/veins/"/>
<seed value="0"/>
</launch>
"
Creating temporary directory...
Temporary dir is c:\users\sabih\appdata\local\temp\sumo-launchd-tmp-wv9kk2
Base dir is C:/omnetpp-4.2.2/veins-2.0/examples/veins/
Seed is 0
Finding free port number...
Claiming lock on port
...found port 60612
Starting SUMO (sumo.exe -c erlangen.sumo.cfg) on port 60612, seed 0
Connecting to SUMO (sumo.exe -c erlangen.sumo.cfg) on port 60612 (try 1)
Releasing lock on port
Starting proxy mode
Done with proxy mode
Done with proxy mode, killing SUMO
Done running SUMO
Cleaning up
Result: "<?xml version="1.0"?>
<status>
<exit-code>0</exit-code>
<start>1357534848</start>
<end>1357534868</end>
<status>Done.</status>
<stdout><![CDATA[Loading configuration... done.
]]></stdout>1ms ~= 1000.00*RT, ~1000.00UPS, vehicles TOT 1 ACT 1)
<stderr><![CDATA[Error: Answered with error to command 0: Wrong position
in requestMessage after dispatching command. Expected command length was 7 but
2 Bytes were read.
]]></stderr>
</status>
"
Closing connection from 127.0.0.1 on port 60611

-----Original Message-----
From: omn...@googlegroups.com [mailto:omn...@googlegroups.com] On Behalf Of Christoph Sommer
Sent: Tuesday, 8 January 2013 9:13 PM
To: omn...@googlegroups.com
Subject: Re: [Omnetpp-l] RE: Veins working in Windows 8

[Rehman, Sabih-Ur]

Hi Rudolf

Might be a stupid question, but i will ask though ...:) and that is "I can see that importing old frameworks say inet in same workspace where we did import say Mixim framework before successfully is not allowed and it gives you error new version is already there or something(I am doing import through file -> import -> Existing project into workspace and selecting root directory). But is there a way I still can force that import through and just show inet in my project explorer too. Is there a way to do that or not? Please let me know. Thanks

[Rudolf Hornig]

What you are actually asking is whether you can import two different versions of INET into the same workspace. The answer is yes, but it involves a some tweaking...

I would rather recommend creating a different workspace for this purpose and switch between the workspaces if need arise...

(the reason why the error is shown is that you try to import two projects with the same name (inet) which is not possible. Before importing the second INET the first one must be renamed to something different and all projects that refer to it should be also changed to refer to the differently named project. after that is done you will be able to import the scond INET project)

Rudolf

[Rehman, Sabih-Ur]

Thanks.. I can use “switch workspace” as in eclipse – File -> Switch Workspace.

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[vignesh k]

hi sir,

 i having the same error as you have mentioned above when i am trying to run traci_launchd.Can you please help me how to rectify the error.

[Christoph Sommer]

Dear Vignesh,

you might be using incompatible versions of Veins and SUMO. Did you
follow the Veins tutorial on [1]?


Best,

Christoph


[1] http://veins.car2x.org/tutorial/

[Marc Anthony Warrior]

I believe that my issue wound up being related to versions. Make sure that your veins, sumo, and python versions are right, make sure your folder names match the versions, and make sure that the right version/folder names match what you call for in the command line.

I hope this helps.

-Marc

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[Vinoth Sarun]

Hello Everyone. We are working on veins.We are trying to analyse the inter vehicle communication .We could understand that the communication data are stored in Ned files but we could not find out exactly in which ned file the communication between simulated cars takes place and the parameters used in it.Also if there is something in wrong in our understanding, kindly correct us.

[Christoph Sommer]

Dear Vinoth Sarun,

The Veins website might be of interest to you. It has a tutorial and
some hints on how to get started:

http://veins.car2x.org/tutorial/
http://veins.car2x.org/documentation/faq/

Best,

Christoph

[Sabari Nathan]

Hi,
I'm simulating a 100 node network with OLSR routing protocol and experienced the same issue around 10th second. I found that the Memory usage reached 2GB (my system has 16 GB memory) when the error occurred. Did your problem get resolved? If yes, can you guide me. Thanks in advance!