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From: David Vrabel <dvrabel@arcom.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: "Doyle, Patrick" <Patrick_Doyle@dtccom.com>,
	  "'ecos-devel@sources.redhat.com'"
	<ecos-devel@sources.redhat.com>,
	 'Andrew Dyer' <adyer@righthandtech.com>
Subject: Re: RedBoot patches regarding redboot_getc_terminate
Date: Thu, 18 May 2006 15:59:00 -0000	[thread overview]
Message-ID: <446C98BA.2080109@arcom.com> (raw)
In-Reply-To: <20060518151236.GE11223@lunn.ch>

Andrew Lunn wrote:
>> I'm not entirely happy with the fix. It terminates the download when all
>> the relevant bits of the ELF have been transferred. The causes the
>> sender to think that the file transfer has failed which causes some
>> customer confusion.
> 
> It is possible to include a text string in the error message. 
> 
> http://www.faqs.org/rfcs/rfc1350.html, figure 5-4. 
> 
> So maybe a message like "Remaining file contents not required" would
> prevent confusion. This assumes the lame tftp servers actually display
> the message to the user.

This would take care of the TFTP transfers.  But what about the Y-modem
transfers?

>> I think a better solution would be for the downloader to continue to
>> transfer the remaining portions of the ELF image and just throw them away."
> 
> This can be a lot of data, eg the complete debug symbol table if the
> image has been compiled -g. I would not really be in favor of that.

Agreed.  Although I think this is what RedBoot used to do for Y-modem
transfers.

David Vrabel
-- 
David Vrabel, Design Engineer

Arcom, Clifton Road           Tel: +44 (0)1223 411200 ext. 3233
Cambridge CB1 7EA, UK         Web: http://www.arcom.com/

  reply	other threads:[~2006-05-18 15:59 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-18 13:40 Doyle, Patrick
2006-05-18 13:54 ` Andrew Lunn
2006-05-18 15:00 ` David Vrabel
2006-05-18 15:14   ` Andrew Lunn
2006-05-18 15:59     ` David Vrabel [this message]
  -- strict thread matches above, loose matches on Subject: below --
2006-05-20  0:08 Andrew Dyer
2006-05-18 16:59 Doyle, Patrick
2006-05-18 13:32 Doyle, Patrick
2006-05-18 13:18 Doyle, Patrick
2006-05-18 13:26 ` Andrew Lunn

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