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Re: [Discuss-gnuradio] Windows Port Error

From: Robert Roberts
Subject: Re: [Discuss-gnuradio] Windows Port Error
Date: Mon, 09 Jan 2006 15:06:34 -0500

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:


Following his instructions I got that error below.   It does not 
appear that the test_vmcircbuf.exe program is included.

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!

----- 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 
> 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 
> 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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