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Date:      Wed, 31 Dec 2014 16:33:08 -0600
From:      Jason Bacon <jwbacon@tds.net>
To:        Miguel Clara <miguelmclara@gmail.com>,  Chagin Dmitry <dchagin@freebsd.org>, Jason Bacon <bacon@uwm.edu>
Cc:        emulation@freebsd.org
Subject:   Re: Linux /dev/shm
Message-ID:  <54A479A4.7050807@tds.net>
In-Reply-To: <38006823-C20B-4C37-A885-D53192F83EEE@gmail.com>
References:  <54A212A4.1070006@uwm.edu> <20141230064640.GA3354@dchagin.static.corbina.net> <38006823-C20B-4C37-A885-D53192F83EEE@gmail.com>

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On 12/30/14 12:54, Miguel Clara wrote:
>
> On 30 December 2014 06:46:40 WET, Chagin Dmitry <dchagin@freebsd.org> wrote:
>> On Mon, Dec 29, 2014 at 08:49:08PM -0600, Jason Bacon wrote:
>>> Not sure where else to ask this:
>>>
>>> I'm trying to run Atomistix (http://www.quantumwise.com/) on FreeBSD
>> 10.1.
>>> The installer runs without a hitch, but I've run into issues with one
>> of
>>> the main binaries, vnl_exec.
>>>
>>> First problem was a missing libgomp.  linux-c6-devtools installs a
>>> dangling link in:
>>>
>>> /compat/linux/usr/lib/gcc/i686-redhat-linux/4.4.4/libgomp.so
>>>
>>> I fixed this by patching the port to include
>> libgomp-4.4.7-11.el6.i686.rpm.
>>> That got vnl_exec past all the link errors, but now I'm running into
>> this:
>>> Traceback (most recent call last):
>>>     File "<string>", line 1, in <module>
>>>     File "./zipdir/NL/__init__.py", line 17, in <module>
>>>     File "./zipdir/NL/ComputerScienceUtilities/Singleton.py", line
>> 120,
>>> in <module>
>>>     File "./build/lib/python2.7/multiprocessing/__init__.py", line
>> 183,
>>> in RLock
>>>     File "./build/lib/python2.7/multiprocessing/synchronize.py", line
>>> 172, in __init__
>>>     File "./build/lib/python2.7/multiprocessing/synchronize.py", line
>> 75,
>>> in __init__
>>> OSError: [Errno 38] Function not implemented
>>>
>>>   From what I've found on the Linux forums, this is indicating that
>> the
>>> app requires a tmpfs mounted on /dev/shm as an IPC interface. Is
>> there
>>> any way to emulate this on FreeBSD?
>>>
>> yes, see r218497 commit description. it seems to me that you should
>> mount tmpfs somewhere
>
> You can use devfs.conf for this, add:
> link /tmp shm
>
> Hope that helps,
> Miguel
>
>
Got it working.  There was a minor configuration issue preventing shm 
from working.  I also had to create a linux-c6-libudev port, which I'll 
submit along with an atomistix-installer port (like 
math/matlab-installer) once I've done more thorough testing.

Thanks for the help,

     Jason



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