From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Luca <kronos@kronoz.cjb.net>, David Woodhouse <dwmw2@infradead.org>
Cc: Linux Serial <linux-serial@vger.kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: Garbage on serial console after serial driver loads
Date: Fri, 25 Mar 2005 20:38:53 +0000 [thread overview]
Message-ID: <20050325203853.C12715@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20050325202414.GA9929@dreamland.darkstar.lan>; from kronos@kronoz.cjb.net on Fri, Mar 25, 2005 at 09:24:15PM +0100
On Fri, Mar 25, 2005 at 09:24:15PM +0100, Luca wrote:
> I attached a null modem cable to my notebook and I'm seeing garbage as
> soon as the serial driver is loaded. I tried booting with init=/bin/bash
> to be sure that it's not some rc script doing strange things to the
> serial port, but this didn't solve the problem.
I'm uncertain how this problem can occur, unless you have one of:
* serial debugging enabled (which isn't compatible with serial console)
* a NS16550A, in which case dwmw2 needs to rework his autodetect code to
adjust the baud rate appropriately.
I suspect your case is the latter.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
next prev parent reply other threads:[~2005-03-25 20:39 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-25 20:24 Garbage on serial console after serial driver loads Luca
2005-03-25 20:38 ` Russell King [this message]
2005-03-25 21:01 ` Luca
2005-03-26 10:16 ` Jan Engelhardt
2005-03-26 14:35 ` Luca
2005-03-26 15:10 ` Russell King
2005-03-26 15:55 ` Phil Oester
2005-03-26 16:37 ` Russell King
2005-03-26 17:19 ` Phil Oester
2005-03-26 17:22 ` Phil Oester
2005-04-13 12:45 ` Paul Slootman
2005-04-18 20:21 ` Phil Oester
2005-04-18 23:14 ` David Woodhouse
-- strict thread matches above, loose matches on Subject: below --
2005-03-27 11:11 Jan Engelhardt
2005-03-28 17:36 Phil Oester
2005-03-28 19:02 ` Russell King
2005-03-28 23:57 ` Dave Airlie
2005-05-03 14:17 ` David Woodhouse
2005-05-03 15:04 ` Phil Oester
2005-05-03 15:11 ` Tom Rini
2005-05-03 15:23 ` David Woodhouse
2005-05-03 16:00 ` Tom Rini
2005-05-03 16:16 ` Tom Rini
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