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SubjectRe: Bug in pty re-usage
Date
> From: Thorsten Kuehnemann <thorsten@actis.de>
> No, not this problem Olaf and i described here, it does not
> depend on installation environment.
>
> The described PTY-Error is the same with the old and the new pty device
> numbers (i tested this before posting).
>
> *Please* do test it with
>
> - xterm
> - "xclock &" in that xterm
> - exit that xterm
> - start "script"
>
> This bug affects _all_ pty-programs which reads from the master-pty
> before opening the slave-pty, and there are some.
>
> Programs which open the slave-pty _before_ reading the master-pty are
> not affected by this bug, there are some, too.
>
> It is definitively a bug in _all_ linux-2.0.X installations and it seems to
> be easy to cure for a kernel guru who knows of the side effects when
> doing changes in pty_open().

A fix was recently posted to comp.os.linux.development.kernel.

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