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Re: kern/54553: Successful TFTP boot ends with error packet
The following reply was made to PR kern/54553; it has been noted by GNATS.
From: Andreas Gustafsson <gson%gson.org@localhost>
To: Valery Ushakov <uwe%stderr.spb.ru@localhost>
Subject: Re: kern/54553: Successful TFTP boot ends with error packet
Date: Tue, 17 Sep 2019 17:50:18 +0300
Valery Ushakov wrote:
> What is the actual size of netbsd-install?
I no longer have the file, sorry.
> It looks like the client
> decided it doesn't need the rest of the file (e.g. it's done reading
> ELF code/data segments and doesn't need e.g. symbol table or strings,
> etc) and terminates the transfer early, telling the sender the sender
> doesn't need to worry and resend the last packet after timeouts.
> I.e. it looks perfectly fine and courteous. If that error packet
> bother you you can compile with -DTFTP_NOTERMINATE, but consider that
> the alternative will be seeing the server resending the last unacked
I see. That does make sense given the limitations of the protocol,
even though it's rather confusing. Thanks for the explanation.
Andreas Gustafsson, gson%gson.org@localhost
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