[scilab-Users] xcos scope causes hang in linux

Brent Miller brentalanmiller at gmail.com
Mon Feb 27 16:07:24 CET 2012


Hi Charles, thanks for the response.

On one of the machines I'm using, I have 16G of ram, and I show 14G
free with the scilab-bin process using 196 Mb.

Are there other people who can successfully run xcos on Ubuntu 10.10?
What distros that people have had success with?

Thanks,
Brent

On Sun, Feb 26, 2012 at 3:36 PM, Charles Warner <cwarner.cw711 at gmail.com> wrote:
> Brent-
> What sort of memory do you have?  I have run in to problems with Ubuntu (not
> in xcos specifically, but in other applications) where the system freezes
> when swapping due to excessive memory consumption.  I have not figured out
> why this is, but your symptoms sound exactly like the symptoms I have
> encountered.  You might try monitoring memory usage with
> gnome-system-manager.
>
> Charlie
>
> On Sun, Feb 26, 2012 at 6:13 PM, Brent Miller <brentalanmiller at gmail.com>
> wrote:
>>
>> Hello,
>>
>> I'm new to xcos and scilab and I seem to be having an issue when using
>> the xcos scope under Linux.
>>
>> Anytime I create a simulation that outputs to a scope, the simulation
>> seems to start ok, but after the plot output window opens, all of
>> scilab/xcos hangs and the result is never actually plotted.
>>
>> When this occurs I can't press the stop button, attempting to close
>> any of the scilab/xcos windows does nothing, top will show scilab-bin
>> using 100% cpu, and the only way I can exit is by opening a terminal
>> and doing a "killall -9 scilab-bin"
>>
>> If I change the output of my simulation to a file instead of the
>> scope, everything seems to run ok and the text file shows the expected
>> data. If I open the same simulation in the Windows version, it runs
>> fine.
>>
>> I'm using Ubuntu 10.10 and can reproduce this in both the 64bit and
>> 32bit versions.
>> I'm using scilab 5.3.3 and have the same issue in both the Ubuntu
>> maintained version and the binary version from the scilab website.
>>
>> Anybody have any suggestions on how to resolve or debug the issue?
>>
>> Thanks,
>> Brent
>>
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>



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