> In message <[EMAIL PROTECTED]> Matthew Jacob
>writes:
> : Normally I might agree with this, but I use a tty line on a 150Mhz i386 to
> : be a serial console for another freebsd box. This is a NS16550A with a 16
> : byte fifo. This systems is effectively idle except for this task. So, I'm
> : running tip and I get constant tty-level buffer overflows at 9600 baud.
>
> In the past, something like TTYHOG has been used to arbitrate this,
> but I can't seem to find the right magic bits here. Pointers?
Err, umm, *cough*... it's been over ten years since I did any tty line
discipline work, so I don't remember... :-(.
> I am seeing this at 115200 on my 486DX2-66 for my ISDN line. NS16550A
> uarts. Everything else seems cool. I am suspecting a subtle bug
> because it only happens now and again, not all the time, or only when
> large xfers are happening. I'd like to know more about this resource
> shortage so I might do something about it.
That's one I'd like to know as well. Sigh- I think somebody (I'm booked)
will have to go looksee.
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