From: Krzysztof Halasa <khc@pm.waw.pl>
To: Pavel Machek <pavel@ucw.cz>
Cc: Glen Turner <glen.turner@aarnet.edu.au>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Kumar Gala <galak@kernel.crashing.org>,
linux-kernel@vger.kernel.org
Subject: Re: 8250 serial console fixes -- issue
Date: Tue, 07 Feb 2006 23:23:54 +0100 [thread overview]
Message-ID: <m364nqn6yt.fsf@defiant.localdomain> (raw)
In-Reply-To: <20060207174307.GA26558@flint.arm.linux.org.uk> (Russell King's message of "Tue, 7 Feb 2006 17:43:07 +0000")
Russell King <rmk+lkml@arm.linux.org.uk> writes:
> In that case the problem is unsolvable. What if I named a process
>
> \n+++ATH0\n
>
> ? Oh dear, your modem just hung up. Or maybe:
>
> \n+++AT&C0\n
>
> and now your modem always sets DCD active, so even with detection of DCD
> in the kernel, I can now talk to it via process names after I've forced
> it to disconnect.
>
> And yes, there's modems out there which accept that and act on the '+++'
> immediately - no pause after '+++' required.
Correct, but the escape character can usually be disabled with ATS2=128
or something like that.
The problem was common some time ago with people putting X-header: +++ATH\n
(or was that +++ATH\r ?) in mail headers.
--
Krzysztof Halasa
next prev parent reply other threads:[~2006-02-07 22:24 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-02 1:21 Kumar Gala
2006-02-02 1:47 ` Alan Cox
2006-02-02 5:54 ` Kumar Gala
2006-02-02 8:05 ` Kumar Gala
2006-02-02 17:10 ` Kumar Gala
2006-02-03 1:58 ` Glen Turner
2006-02-03 9:40 ` Russell King
2006-02-03 14:27 ` Glen Turner
2006-02-03 16:02 ` Russell King
2006-02-03 17:08 ` Glen Turner
2006-02-03 22:23 ` Russell King
2006-02-04 11:15 ` Russell King
2006-02-04 16:18 ` Krzysztof Halasa
2006-02-04 23:16 ` Russell King
2006-02-04 23:54 ` Krzysztof Halasa
2006-02-05 0:00 ` Russell King
2006-02-05 12:57 ` Krzysztof Halasa
2006-02-03 17:46 ` Krzysztof Halasa
2006-02-03 22:13 ` Russell King
2006-02-04 16:08 ` Krzysztof Halasa
2006-02-04 23:20 ` Russell King
2006-02-05 3:12 ` Glen Turner
2006-02-05 21:26 ` Krzysztof Halasa
2006-02-06 9:47 ` Russell King
2006-02-07 3:27 ` Glen Turner
2006-02-03 15:05 ` Kumar Gala
2006-02-06 20:26 ` Pavel Machek
2006-02-06 20:55 ` Russell King
2006-02-07 4:00 ` Glen Turner
2006-02-07 9:18 ` Pavel Machek
2006-02-07 17:43 ` Russell King
2006-02-07 22:23 ` Krzysztof Halasa [this message]
2006-02-08 0:59 ` Junio C Hamano
2006-02-08 1:19 ` Lee Revell
2006-02-03 10:00 linux
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