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Re: [Discuss-gnuradio] Windows Port Error


From: Martin Dvh
Subject: Re: [Discuss-gnuradio] Windows Port Error
Date: Wed, 11 Jan 2006 23:05:01 +0100
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.5b) Gecko/20030823

Robert Roberts wrote:

Thanks for your response!


I did not build the GNURadio code from source. I am attempting to use the prepackaged installers found on Martins website:

http://www.olifantasia.com/pub/projects/gnuradio/mdvh/mingw/binary-
installer/gnuradio-with-usrp/

Following his instructions I got that error below. It does not appear that the test_vmcircbuf.exe program is included.
The executables which are normally not installed can be found in the zipfile 
which contains the built source directory.
http://www.olifantasia.com/pub/projects/gnuradio/mdvh/mingw/binary-installer/gnuradio-with-usrp/sources-and-bin/gnuradio-core-build-mingw.zip
Greetings,
Martin


My goal is to get all of the necessary files put together onto an .iso

I am running Windows XP SP2 on a AMD Opteron 250 (2.41 GHz), 2.75GB RAM, 1.2 TB of HDD space. I also have the system running Redhat FC4 and GNURadio works in that setting. I would ideally like to get GNURadio/usrp working in Windows for my purposes but don't seem to have good luck with it.


Thanks for your help!
~Chris~

----- Original Message -----
From: Stephane Fillod <address@hidden>
Date: Friday, January 6, 2006 3:02 pm
Subject: Re: [Discuss-gnuradio] Windows Port Error

Hi Chris,

On Fri, Jan 06, 2006 at 01:48:49PM -0500, Robert Roberts wrote:

I have tried installing your GNURadio for Windows binaries

following
the instructions posted on Martins website.

BTW, Martin, do you have any plan in packaging a GNU Radio 2.6

release

for Windows on CDROM ? I can help you if need be. Are there any
other volunteers for this task lurking on the list? Any beta-testers?

What about the Knoppix CDROM and GNU Radio 2.6 ?


When I go to run dial_tone.py I get the following error:

Actually, you should have run the "make check" first, which
should have caught the problem. Maybe you did already?


C:\gnuradio-examples-0.4\python\audio>dial_tone.py
gr_vmcircbuf_mmap_createfilemapping: non contiguous mmap

01330000
01330000 00010000 01340000
gr_vmcircbuf_sysv_shm: sysv shared memory is not available
gr_vmcircbuf_mmap_mkstemp: mmap or shm_open is not available
gr_vmcircbuf_mmap_tmpfile: mmap or mkstemp is not available
gr_vmcircbuf_sysconfig: unable to find a working factory!

The fact under Windows is the virtual memory circular buffer (vmcircbuf)is not as reliable as under Linux and other *nix-like systems.The gr_vmcircbuf_mmap_createfilemapping method heuristically trys to map a file area twice, hopping both mapping will be contiguous.The few retrys may not get through sometimes. It's nasty.

Can you please try to run several times the test_vmcircbuf.exe

program

and see if it always fails?


Any ideas as to what I may have done wrong? I am going to try

to
install it on another machine here in a little while also.

What version of Windows are you running ? What CPU ? How much memory?

Cheers,
--
Stephane




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