1.5.25: Cygwin, LAPACK, and ssh -- output "swallowed"

[Eric Hui]

Jim Kramer wrote:

> Concise problem description:
> A C/C++ program that incorporates LAPACK functions "swallows" program 
> output when run (as a command) over an ssh connection.

[snip]


> In all of the following, "hollyberry" is running Cygwin 1.5.25 on XP; 
> "bruno" is running Debian testing (2.6.26-1-amd64 kernel).
> 
> Example 1 (swallowed output):
> 
> jkramer3@bruno:~$ ssh hollyberry ./testdgtsv.exe
> jkramer3@bruno:~$ ssh hollyberry "./testdgtsv.exe"
> jkramer3@bruno:~$
> 
> No output is printed, which I'm describing as "swallowed".
> 

[snip]

> Example 3 (logging in to the Cygwin machine using ssh (essentially 
> making it a local session) also works):
> 
> jkramer3@bruno:~$ ssh hollyberry
> Last login: Tue Dec 30 15:56:52 2008 from 192.168.1.4
> 
> jkramer3@HOLLYBERRY ~
> $ ./testdgtsv.exe
>    6.5
>   12.0
>   15.5
>   19.5
>   20.5
> 
> $ logout

Jim,

This may be an issue with your path.  In your example 1, try

ssh hollyberry echo '$PATH'

The LAPACK dll is in /usr/lib/lapack/, so that will need to be in 
your path.

Hope this helps.

-- 
-------------------------------------------
Eric C. Hui
-------------------------------------------


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