Re: [wsjt-devel] Raspberry Pi

[Bill Somerville]

On 16/01/2016 11:10, Paul wrote:
> Hi I looked at the lines following the compile failure of wsjtx using 
> jtsdk on my raspberry pi 2 and it is as follows:
> I am using Ubuntu Mate not Raspbian, although I could set up Raspbian 
> if there is any interest.
> The code is version 4.0 r6403
Ubuntu Mate is fine.

Try changing working directory to the build tree root and doing:

   $ rm CMakeFiles/wsjtx.dir/plotter.cpp.o
   $ make plotter.cpp.o

and see if the ICE recurs.

73
Bill
G4WJS.

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Re: [wsjt-devel] Raspberry Pi

[Greg Beam]

Hi Richard,



This is ill advised for a number of reasons.

>
> "if someone tells me which
>   files after the build are essential to running wsjtx I make a built tarball 
> available."
>

Just to name a few:

[1] Joe has asked ( on more than one occasion ) that we not 
re-distribute unofficial binary packages, this would clearly be an 
unofficial set of binaries.

[2] Building packages destine for redistribution should only be done in 
a clean / repeatable environment ( chroot or equivalent ). Ones personal 
workstation hardly meets that need unless your using a chroot tool set 
like Cowbuilder / Sbuild / Pbuilder (for Debian based systems) or using 
a purpose built server like Launchpad (Ubuntu).

[3] WSJT-X prebuilt ARMv7 packages are available in PPA form at present, 
however, they are for v1.6.0 GA Release only due to item [1].

[4] Simply transferring a pre-built set of binaries sets up the user for 
failure. There is a reason why a system package managers should be used 
for installation by non-developers. Even using dpkg will not properly 
resolve dependencies on a new System Installation.

[5] Your more than welcome to create a PPA for development versions, but 
again, see item [1]. I removed all WSJT-X v1.7.x builds from public 
access due to item [1].


73's
Greg, KI7MT

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[wsjt-devel] Raspberry Pi

[Paul]

Hi I looked at the lines following the compile failure of wsjtx using jtsdk on 
my raspberry pi 2 and it is as follows:

I am using Ubuntu Mate not Raspbian, although I could set up Raspbian if there 
is any interest.
The code is version 4.0 r6403

c++: internal compiler error: Killed (program cc1plus)
Please submit a full bug report,
with preprocessed source if appropriate.
See  for instructions.
CMakeFiles/wsjtx.dir/build.make:498: recipe for target 
'CMakeFiles/wsjtx.dir/plotter.cpp.o' failed
make[2]: *** [CMakeFiles/wsjtx.dir/plotter.cpp.o] Error 4
make[2]: *** Waiting for unfinished jobs
CMakeFiles/Makefile2:1208: recipe for target 'CMakeFiles/wsjtx.dir/all' failed
make[1]: *** [CMakeFiles/wsjtx.dir/all] Error 2
Makefile:136: recipe for target 'all' failed
make: *** [all] Error 2

73 

Paul m1bkl--
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Re: [wsjt-devel] Raspberry Pi

[Greg Beam]

Hi Richard,

His problem is during the build not after. If he's installed JTSDK he 
has all the runtime files he needs. Likewise, if he's installed WSJT-X 
from either the formal release .deb ( using Gdebi etc) that would also 
resolve the runtime deps.

There is already a method in place for producing WSJT-X Tarballs, it's 
the WSJT-X superbuild script, Bill maintains the scripts in the repository.

I've tested WSJT-X builds via JTSDK on RPI2 (Raspbian ~ Debian Jessie 
and Ubuntu Mate 15.10), the builds work as expected when the right 
resource allocation is setup.

73's
Greg, KI7MT


On 1/16/2016 13:04, Richard Bown wrote:
> On Sat, 16 Jan 2016 11:12:04 -0700
> Greg Beam  wrote:
>
>> Hi Paul,
>>
>> More than likely you've run out of system resources.
>>
>> I would create a swap partition if you don't already have one (at least
>> 1GB to 2 GB) and you may want to edit /usr/bin/jtsdk-wsjtx to use only
>> one or two cores rather than all 4 cores.
>>
>> 73's
>> Greg, KI7MT
>>
>>
>>
> If you can't get it to build on the rasp Pi2 , which IMO it should, if 
> someone tells me which files
> after the build are essential to running wsjtx I make a built tarball 
> available.
> The only difference between the raspPI2 and the Odroid C1+ is the quad 
> processor runs at 1.6 GHz
> compared to 900 MHz for the R PI2, same RAM 1 GB.
>

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Re: [wsjt-devel] Raspberry Pi

[Richard Bown]

On Sat, 16 Jan 2016 11:12:04 -0700
Greg Beam  wrote:

> Hi Paul,
> 
> More than likely you've run out of system resources.
> 
> I would create a swap partition if you don't already have one (at least 
> 1GB to 2 GB) and you may want to edit /usr/bin/jtsdk-wsjtx to use only 
> one or two cores rather than all 4 cores.
> 
> 73's
> Greg, KI7MT
> 
> 
>
If you can't get it to build on the rasp Pi2 , which IMO it should, if someone 
tells me which files
after the build are essential to running wsjtx I make a built tarball available.
The only difference between the raspPI2 and the Odroid C1+ is the quad 
processor runs at 1.6 GHz
compared to 900 MHz for the R PI2, same RAM 1 GB.
-- 
-- 
Best wishes /73 
Richard Bown

Email : rich...@g8jvm.com
HTTP  :  http://www.g8jvm.com
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Re: [wsjt-devel] possible defect in the FFT code

[Игорь Ч]

Hi Joe and All,
There are my results on tuning r6373 FTRSD parameters for HF files:
file jt65_decode.f90:
line 102 thresh0=2.4
line 105 thresh0=1.0
file ftrsd.c:
line 135 thresh0[i]=1.2*perr[ii][jj];
Getting with original r6373 3054 correct JT65 decodes from my set of wav files.
Getting from tuned r6373 3240 correct JT65 decodes from the same set of wav 
files.

JT65+JT9, Random erasure patterns = 8, Agressive decoding level=0
Still looking for the mentioned defect, there is some chance it is hidden in 
the symbol metrics for FTRSD decoder.
73 Igor UA3DJY
>
>Date: Fri, 15 Jan 2016 11:34:32 -0500
>From: Joe Taylor < j...@princeton.edu >
>Subject: Re: [wsjt-devel] possible defect in the FFT code
>To: WSJT software development < wsjt-devel@lists.sourceforge.net >
>Message-ID: < 56991f98.6030...@princeton.edu >
>Content-Type: text/plain; charset=UTF-8; format=flowed
>
>Igor --
>
>Please feel free to tune the WSJT-X decoders in any way you see fit, and 
>to use external bandpass filters on the data as you wish.
>
>One of the benefits of open-source code is that you can modify it as you 
>desire.  If you come up with code you believe is superior, I'm sure you 
>will let us know.
>
>Right now our major focus and priorities lie in other directions.
>
>-- 73, Joe, K1JT
>
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Re: [wsjt-devel] Raspberry Pi

[Greg Beam]

Hi Paul,

More than likely you've run out of system resources.

I would create a swap partition if you don't already have one (at least 
1GB to 2 GB) and you may want to edit /usr/bin/jtsdk-wsjtx to use only 
one or two cores rather than all 4 cores.

73's
Greg, KI7MT


On 1/15/2016 10:53, Paul wrote:
> Thanks for your comments and suggestions.
> I agree that a complex detector is not needed to decode signals from a
> Softrock and I have been able to decode JT65 and JT9 signals using wsjtx
> on both my RPi 2 and windows.
> The RPi 2 version of wsjtx I use was via a direct download.
> I did not appreciate that I could use HDSDR as an intermediate – so I
> will look to try this. I currently use HDSDR and PowerSDR for ssb contacts.
> Now I tried to compile and build the current version of wsjtx on my RPi
> 2 using JTSDK and I got the following error:
> C++ internal compiler error, immediately after  Building CXX object ...
> /echograph.cpp.o
> Can someone help please.
> 73
> Paul m1bkl
>

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