Strange behaviour with ptmx file descriptors
keisial at gmail.com
Sat Apr 16 07:53:53 AEST 2016
El 15/04/16 11:28, Nacho del Rey escribió:
> Hi Angel and many thanks for your answer
> The application still sending & receiving data
> .- strace over the application:
I asked for the corresponding strace of the client ssh, where the data
should have been received and printed to the console.
> The strange thing is all file descriptors of all processes are in
> place but it seems for any strange reason, something happen to fd#13 (
> C Program fd #1 --> ssd read fd #13) because it disappears from the
> select call (it won't be available in the read fd set ever)
Interesting. I wonder if that's expected and sshd waits for
acknowledgment from the remote ssh before reading again.
Also, seems you missed this suggestion:
> What's the terminal emulator used in the client side? Does
> resetting it (from a menu option) make it receive the server
> output again?
More information about the openssh-unix-dev