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From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] NetConsole tstc problems
Date: Wed, 2 Nov 2005 08:51:57 +0100	[thread overview]
Message-ID: <200511020851.57643.sr@denx.de> (raw)
In-Reply-To: <20051101151924.c9ww4408kw8ososc@secure.uwalumni.com>

Hi Brian,

On Tuesday 01 November 2005 22:19, Brian Prodoehl wrote:
> Has anyone else experienced problems with NetConsole's tstc?  In
> particular, defining CONFIG_BOOT_RETRY_TIME makes NetConsole almost
> unusable for me, because then readline() in main.c blocks on tstc and the
> result (for me, at least) is that NetConsole accepts a character every
> second or so.

Depending on your network driver, tstc() can take pretty long. I experienced a 
similar problem in sleep() using tstc() via ctrlc(). I solved this problem 
using a "better" timeout mechanism with get_timer(). This could probably help 
here too.

> For everything that doesn't depend on tstc, NetConsole works 
> beautifully for me. I'm just wondering if anyone else has seen problems, or
> if anyone has suggestions on how to make tstc less of a show-stopper
> (something I haven't been able to accomplish).

Take a look at the sleep() fix:

http://www.denx.de/cgi-bin/gitweb.cgi?p=u-boot.git;a=commit;h=c4c13df284cb06156c16ee6aef49b8d23be3fadd

Best regards,
Stefan

  reply	other threads:[~2005-11-02  7:51 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-01 21:19 [U-Boot-Users] NetConsole tstc problems Brian Prodoehl
2005-11-02  7:51 ` Stefan Roese [this message]
2005-11-02  7:59 ` Wolfgang Denk
2005-11-02 17:34   ` Brian Prodoehl
2005-11-02 18:10     ` Stefan Roese

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