From: Chris Fowler <cfowler@outpostsentinel.com>
To: linux-ppp@vger.kernel.org
Subject: Re: modem session behavior
Date: Tue, 22 Apr 2008 16:18:11 +0000 [thread overview]
Message-ID: <1208881091.16663.40.camel@shuttle> (raw)
In-Reply-To: <16169308.post@talk.nabble.com>
Ah.
We use Comtrol RocketModems. They have their own UART and own driver.
On Tue, 2008-04-22 at 09:08 -0700, bfc wrote:
> The problem was that sometimes the serial driver wouldn't send the data
> loaded into
> the FIFO. Conversations with the modem would hang (and chat would
> eventually time
> out) -- or the connection would be made between modems, but I'd get a LCP
> timeout
> error -- from the same cause.
>
> You may only get bit by this with particular UART hardware -- ours was
> detected
> (correctly) as a 16550A. You should be able to find out what yours is by
> either
> grep 'serial' from /var/log/messages, or setserial -a /dev/ttyS0. The
> problem
> did not occur on another machine with a NS16550A detected.
>
> The problem kernel we had was 2.6.18 (and various minor versions up to
> 2.6.18-89).
>
>
prev parent reply other threads:[~2008-04-22 16:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-20 1:04 modem session behavior bfc
2008-03-20 2:32 ` James Cameron
2008-04-18 18:41 ` bfc
2008-04-18 18:56 ` Chris Fowler
2008-04-22 16:08 ` bfc
2008-04-22 16:18 ` Chris Fowler [this message]
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