Re: TTY lockup's (Kernel V2.0.32)

Karl Vogel (kvo@seagha.com)
Wed, 3 Dec 1997 09:00:14 +0100 (MET)


On Tue, 2 Dec 1997, Bill Hawes wrote:

> Karl Vogel wrote:
>
> > Then I noticed kernel V2.0.31 included some reworked tty code by Bill Hawes.
> > So I installed the lastest kernel to make sure I was running up to date code.
> > (Kernel V2.0.32).
> >
> > This fixed the problem partly. Now if I send more than 256 characters to a
> > login process on a telnetd session, it doesn't lock up anymore. However I still
> > notice a locked up login process every now and then.
>
> Hi Karl,
> When I did the tty/pty changes I noticed that there appeared to be other
> possible but very unlikely conditions that could lead to locked ttys.
> With a normal user typing commands it would probably never happen, but I
> hadn't considered the case of a modem spewing garbage.
>
> I had a patch for this at one point, and will try to find it and see if
> it still applies to the 2.0.32 tty code.

I would greatly appreciate it if you can find this patch! The lockups are
occuring way less than before Kernel V2.0.31 but they still occure
regularly (ie 6-7 locked tty's after a weekend).

If you need more information, feel free to ask.

Karl.

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