macserial driver hosed?

[Graham Leggett]

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Hi all,

Over the last few weeks I have been having some really annoying problems
with my modem. It seems to work fine for a while, and then "stop dead".
It is as if no bytes flow across the modem link, although the modem link
is still alive.

Running a ping to the other side of the modem link with no other traffic
over the modem link results in extremely high packet loss (60% - 90%),
with periods of traffic flow (pings of < 500ms) followed by up to 20
seconds of no traffic at all (pings "catch up" after a while, as if they
are buffered).

Dropping the modem line and calling back sometimes results in the
macserial driver reporting an error that the modem is inaccessible.
rmmod'ing the driver makes it work again for a few minutes more, then
the problems continue.

Has anyone else experienced this? It's causing some serious problems, as
I can no longer work at home from my laptop.

I'm running YDL v2.2 on a 1999 Powerbook G3. The problem happens on the
provided 2.4.18-0.9a kernel, and on the latest 2.4.19-pre8.

Regards,
Graham
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minfrin@sharp.fm		"There's a moon
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