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Hi Mary,<br>
Thank you for your continued work on this (I was on vacation last
week). Unfortunately, I probably can't test the VM solution. After
consulting with my IT security person I learned that NASA is
extremely anal about VMs and it would not be wise for me to attempt
running that software on my work computer. My Windows Vista computer
at home is an older computer and may not have enough memory to run a
VM. I will definitely keep this solution (using a VM) in mind as it
seems like NCL may not work well with current and future versions of
Cygwin.<br>
thanks,<br>
Kevin<br>
<br>
<br>
On 8/3/2015 10:38 AM, Mary Haley wrote:
<blockquote
cite="mid:CACNN_CL+Bx20W7GCGDGsRUH-jPqt_hS5JcepJPgv_DpHkwo_fQ@mail.gmail.com"
type="cite">
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<div dir="ltr">
<div class="gmail_default" style="font-size:small">I forgot to
mention that I need to provide an NCL/LINUX VM, which I'm
working on. Once this is done, I'll provide a link to anybody
who wants to download it and give it a try.</div>
<div class="gmail_default" style="font-size:small"><br>
</div>
<div class="gmail_default" style="font-size:small">The RHEL link
I mentioned earlier is not going to be helpful, unless you
already have RedHat installed under VirtualBox.</div>
<div class="gmail_default" style="font-size:small"><br>
</div>
<div class="gmail_default" style="font-size:small">--Mary</div>
<div class="gmail_default" style="font-size:small"><br>
</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Mon, Aug 3, 2015 at 7:29 AM, Mary
Haley <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:haley@ucar.edu" target="_blank">haley@ucar.edu</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">
<div class="gmail_default" style="font-size:small">Hi
Kevin,</div>
<div class="gmail_default" style="font-size:small"><br>
</div>
<div class="gmail_default" style="font-size:small">Sorry I
didn't get back to you sooner. I wanted to investigate
this before I responded, but I haven't had much luck
reproducing the problem.</div>
<div class="gmail_default" style="font-size:small">
<div class="gmail_default"><br>
It's possible that your version of Cygwin is too new,
but I've never encountered this before, so I can't say
for certain if there are compatibility issues.</div>
<div class="gmail_default"><br>
I installed the latest version of Cygwin (2.871), and
now I can't bring up an X/Cygwin window. I *can* bring
up a Cygwin window, I was able to type "ncl -V" and
get the version number. </div>
<div class="gmail_default"><br>
</div>
<div class="gmail_default">I'm still working on the
X/Cygwin problem and hope to have an answer soon.</div>
<div class="gmail_default"><br>
</div>
</div>
<div class="gmail_default" style="font-size:small">I have
read that Cygwin runs into "fork"issues on occasion, and
this can be due to other software running on your
machine *outside* the Cygwin environment. There's a
Cygwin FAQ on it, but I don't know how helpful it will
be:</div>
<div class="gmail_default" style="font-size:small"><br>
</div>
<div class="gmail_default"><a moz-do-not-send="true"
href="https://www.cygwin.com/faq.html#faq.using.fixing-fork-failures"
target="_blank">https://www.cygwin.com/faq.html#faq.using.fixing-fork-failures</a><br>
</div>
<div class="gmail_default" style="font-size:small"><br>
</div>
<div class="gmail_default" style="font-size:small">By the
way, I do think the "uname" version you see is
associated with the version of setup-x86.exe that you
ran. It just displays it as "0.287" instead of "2.871".</div>
<div class="gmail_default" style="font-size:small"><br>
</div>
<div class="gmail_default" style="font-size:small">At some
point I may give up on Cygwin and suggest that Windows
users try a virtual machine (VM) running Linux, and then
you can install a LINUX binary, instead of hassling with
Cygwin. Instead of running Cygwin, then, to use NCL, you
would run a Linux VM. Going this route also allows you
to run other programs that may not have Windows or
Cygwin versions.</div>
<div class="gmail_default" style="font-size:small"><br>
</div>
<div class="gmail_default" style="font-size:small">If you
want to try the VM routine, then you can install the
free Oracle VirtualBox, which installs pretty easily,
and gives you VM choices.</div>
<div class="gmail_default" style="font-size:small">
<p>To install VirtualBox, and then a Linux VM:
</p>
<ul>
<li>Go to <a moz-do-not-send="true"
href="https://www.virtualbox.org/wiki/Downloads"
target="_blank">https://www.virtualbox.org/wiki/Downloads</a>
</li>
<li>Click on "VirtualBox for Windows hosts"
(x86/amd64)
</li>
<li>Run the ".exe" file that gets downloaded and
accept all the defaults if possible.
</li>
<li>If this is successful, the VirtualBox program
should be started for you. </li>
<li>From here you should be able to start a VM, which
basically gives you a LINUX window similar to a
X/Cygwin window, only it's a better UNIX system than
Cygwin.</li>
</ul>
<div>From this VM, you can then install the <a
moz-do-not-send="true"
href="https://www.earthsystemgrid.org/download/fileDownload.htm?logicalFileId=e0866847-cd9a-11e4-bb80-00c0f03d5b7c"
target="_blank">ncl_ncarg-6.3.0.Linux_RHEL6.
4_x86_64_gcc472.tar.gz</a> binary, and follow
the instructions as per usual.</div>
<div><br>
</div>
<div>Let me know if you want to go this route, and if
you have issues with it. I did this about 4 months
ago and it worked fine, but I didn't test it heavily,
because I hardly ever use my Windows box.</div>
<span class="HOEnZb"><font color="#888888">
<div><br>
</div>
<div>--Mary</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
</font></span></div>
</div>
<div class="HOEnZb">
<div class="h5">
<div class="gmail_extra"><br>
<div class="gmail_quote">On Tue, Jul 28, 2015 at 7:54
AM, Kevin Vermeesch <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:kevin.c.vermeesch@nasa.gov"
target="_blank">kevin.c.vermeesch@nasa.gov</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000"> Thanks for
the response. Is there a difference between the
Cygwin version and Cygwin's setup.exe version?
The output of uname -a on Cygwin's command line
is:<br>
CYGWIN_NT-6.1-WOW GS612-KCV1WL 2.1.0(0.287/5/3)
2015-07-14 21:26 i686 Cygwin<br>
but the 2.738 you mentioned is a version of the
setup.exe file.<br>
<br>
The system above is Windows 7 64-bit. For what
it's worth, I installed NCL on my personal
computer (Windows Vista 32-bit) and NCL 6.3.0
works fine on there. That computer is running a
slightly older version of Cygwin. The output of
uname -a on that system is:<br>
CYGWIN_NT-6.0 Kevin-PC 1.7.35(0.287/5/3)
2015-03-04 12:07 i686 Cygwin<br>
<br>
It must be something with the new/latest Cygwin
version that is causing the problem(?). Before
the last Cygwin upgrade on the Windows 7
computer it was working fine on there too.<br>
thanks,<br>
Kevin
<div>
<div><br>
<br>
<br>
On 7/27/2015 2:20 PM, Mary Haley wrote:
<blockquote type="cite">
<div dir="ltr">
<div class="gmail_default"
style="font-size:small">Hi Kevin,</div>
<div class="gmail_default"
style="font-size:small"><br>
</div>
<div class="gmail_default"
style="font-size:small">I didn't see
any responses to this question, so
I'll take a stab at it.</div>
<div class="gmail_default"
style="font-size:small"><br>
</div>
<div class="gmail_default"
style="font-size:small">You are
running an older version of Cygwin
(2.1.0) than what we built NCL V6.3.0
with (2.738). If you can, I suggest
upgrading your version of Cygwin by
downloading a new setup-x86.exe
program from <a
moz-do-not-send="true"
href="http://x.cygwin.com"
target="_blank">http://x.cygwin.com</a> and
running it.</div>
<div class="gmail_default"
style="font-size:small"><br>
</div>
<div class="gmail_default"
style="font-size:small">--Mary</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Tue, Jul 21,
2015 at 12:15 PM, Kevin Vermeesch <span
dir="ltr"><<a
moz-do-not-send="true"
href="mailto:kevin.c.vermeesch@nasa.gov"
target="_blank">kevin.c.vermeesch@nasa.gov</a>></span>
wrote:<br>
<blockquote class="gmail_quote"
style="margin:0 0 0
.8ex;border-left:1px #ccc
solid;padding-left:1ex">Hi,<br>
This is probably a Cygwin issue and
not a NCL issue, but I am curious to<br>
see if anyone else has seen this
error and found a workaround for it.
I<br>
am using NCL 6.3.0 on Cygwin 2.1.0
on Windows 7. Whenever I use the<br>
"print" or "systemfunc" NCL commands
I get the respective errors:<br>
<br>
0 [main] ncl 6820 fork: child -1 -
forked process 7360 died<br>
unexpectedly, retry 0, exit code
0x0000135, errno 11<br>
fatal:Pager failed1<br>
<br>
and<br>
<br>
52 [main] ncl 7576 fork: child -1 -
forked process died unexpectedly,<br>
retry 0, exit code 0x0000135, errno
11<br>
fatal:systemfunc: cannot create
child process:[errno=11]<br>
<br>
The "gsn_open_wks" function also
produces a similar error. NCL was<br>
working fine under an older version
of Cygwin, but I recently upgraded<br>
my Cygwin version and always get the
above errors when using NCL. I<br>
tried the ash /usr/bin/rebaseall
command<br>
(<a moz-do-not-send="true"
href="http://www.ncl.ucar.edu/Support/talk_archives/2011/1525.html"
rel="noreferrer" target="_blank">http://www.ncl.ucar.edu/Support/talk_archives/2011/1525.html</a>),
but that<br>
did not fix the issue (it did on the
old Cygwin version). Any tips are<br>
appreciated because with this issue,
NCL has very limited functionality<br>
on my Windows computer.<br>
thank you,<br>
Kevin<br>
<br>
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<br>
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<span><font color="#888888">
<pre cols="72">--
* * * * * * * * * * * *
Kevin Vermeesch
University of Maryland Baltimore County
Joint Center for Earth Systems Technology
NASA/GSFC Code 612
</pre>
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