OpenSSH solaris: bad return code after exec of remote command

[Paul Menage]

> My problem is this. The remote ssh returns an error code of 255 (using
>echo $?), or (-1 in the debug), despite the command executing
>successfully. about 5-10% of the time it returns 0. In all cases it
>"appears" the command completed successully, and is simply an issue of
>ssh failing to close the channel cleanly.

We've seen this intermittently on Windows - we put it down to bugs in
cygwin, as executing the same scripts (on the server) on Solaris or
Linux has never produced the problem for us.

Paul