From: Marco Stornelli <marco.stornelli@gmail.com>
To: paul@mad-scientist.net
Cc: linux-embedded@vger.kernel.org
Subject: Re: Can I manage/modify console baud rates from userspace?
Date: Sun, 02 May 2010 11:58:31 +0200 [thread overview]
Message-ID: <4BDD4CC7.3050507@gmail.com> (raw)
In-Reply-To: <1272758524.27961.1114.camel@homebase>
02/05/2010 02:02, Paul Smith wrote:
> I've looked at setserial and it supports a baud_base parameter but that
> doesn't appear to be what I want (I tried it anyway: changing it didn't
> work, my console output was still screwed up).
>
> Trying to do something like creating customized PXE configs on the
> server based on the MAC addresses of the blades that are "new" (or old)
> would be an absolute nightmare as people swap blades between chassis,
> add new ones, etc. all the time.
>
>
> Please help me find a better way... :-(
>
It's strange that it's not possible to change the baud rate, but I'm not
an expert of tty layer. A naive implementation could be patch the kernel
to choose a well-known baud rate for your hw reading a revision register
or something like that.
Marco
next prev parent reply other threads:[~2010-05-02 9:58 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-02 0:02 Can I manage/modify console baud rates from userspace? Paul Smith
2010-05-02 9:58 ` Marco Stornelli [this message]
2010-05-02 16:14 ` Paul Smith
2010-05-02 20:25 ` Sam Ravnborg
2010-05-03 17:28 ` Paul Smith
2010-05-03 19:17 ` Alan Cox
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