AIX SFTP with chroot : conection closed without error message

[Damien Miller]

On Tue, 1 Apr 2014, Thierry CHARLES wrote:

> Excuse me, I did a "ssh user at host" instead of "sftp user at host". That's why it
> tried to open a tty.
> 
> So I tried again with SFTP and I got nothing more :'(

Unfortunately I don't have an AIX system to help reproduce this.
I'd suggest either running sshd under a debugger to see what is going
wrong -or- adding some debug() calls to do_child() and
sftp_server_main() to see where it is failing.