Re: Kernel (2.4.0) lock-up in "write" (using PTS).

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Thu Jan 11 2001 - 12:06:20 EST


> 2.4.0 Kernel hangs up when I do the following stuff:
>
> * Create a new PTY using openpty();
> * Fork using forkpty. Now, the child process does this:
> - Set the fd 0 line discipline to PPP;
> - tries infinitely to read the standard input.
>
> The parent process sets the line discipline of the master PTY fd to PPP
> also, and then writes to it.
> When I say it hangs up I really mean it. Not even the SYSRQ works.

Does this still happen on -ac ?

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