From: Wolfgang Denk <wd@denx.de>
To: Yonghao Wang <Y.Wang@ftel.co.uk>
Cc: "linuxppc-embedded@lists.linuxppc.org"
<linuxppc-embedded@lists.linuxppc.org>
Subject: Re: Kernel message missing characters!
Date: Fri, 22 Mar 2002 16:20:58 +0100 [thread overview]
Message-ID: <20020322152103.044F8109F3@denx.denx.de> (raw)
In-Reply-To: Your message of "Fri, 22 Mar 2002 14:01:34 GMT." <3C9B393E.4958C98E@ftel.co.uk>
In message <3C9B393E.4958C98E@ftel.co.uk> you wrote:
>
> ppcboot as boot loader and kernel 2.4.7. The console is set up on serial
>
> SMC2. I've changed little bit code on arch/ppc/boot/mbx/m8260_tty.c to
> enable it supports SMC2. But when I boot kernel, the console output
Seems you didn't do this right, then.
> seems missing characters like below:
...
> Ttlmmr 2M;uig0Bfrhs al a 0000
> Lnxvrin247 wn@ihmr.tlc.k gcvrin30 1FiMr1 53:7GT20
> oe0:378pgs:378
> oe2:0pgs.
> Kre omn ie ot/e/f wnsot121..4:epr/p-f-oti=7.61.1:7.6213121..1:5.5..:iuAM
Well known problem, every second character is missing.
> Does anybody can give me some clue how to fix it?
Make sure to enable SMC1 as serial port, too. If the console is on
SMC2, _both_ SMC1 and SMC2 must be enabled as a serial ports, or you
have to adjust the uart driver a bit.
Wolfgang Denk
--
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd@denx.de
Nobody trips over mountains. It is the small pebble that causes you
to stumble. Pass all the pebbles in your path and you will find you
have crossed the mountain.
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2002-03-22 15:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-22 14:01 Kernel message missing characters! Yonghao Wang
2002-03-22 15:20 ` Wolfgang Denk [this message]
2002-03-26 10:06 ` Yonghao Wang
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