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Re: strange performance problem with a modem

On Mon, 2002-07-15 at 18:10, martin f krafft wrote:
> also sprach Ron Johnson <ron.l.johnson@cox.net> [2002.07.15.2155 +0200]:
> > Could it be the the FIFO on the UART is too small, and thus 
> > breaks out in a storm of interrupt?
> madduck@embryo:~$ setserial /dev/modem
> /dev/modem, UART: 16550A, Port: 0x03f8, IRQ: 4
> how to check?
> but why would that make a getty session on minicom fail but a (more
> resource and traffic intensive) PPP session persists without such
> problems?

Good point.  Is the modem that the ppp connection is on an
internal modem?  They have emulated UARTs.

It's been so long since I've used a modem that I'm pretty rusty
on all this stuff...

| Ron Johnson, Jr.        Home: ron.l.johnson@cox.net             |
| Jefferson, LA  USA                                              |
|                                                                 |
| "The greatest dangers to liberty lurk in insidious encroachment |
|  by men of zeal, well-meaning, but without understanding."      |
|   Justice Louis Brandeis, dissenting, Olmstead v US (1928)      |

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