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Message-ID: <4E1BB046.4050307@executive-computing.de>
Date: Tue, 12 Jul 2011 04:24:06 +0200
From: Marco Steinbach <coco@executive-computing.de>
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Cc: Anton Shterenlikht <mexas@bristol.ac.uk>
Subject: Re: tftp - bad checksum error? can't transfer file
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Anton Shterenlikht schrieb:
> I'm trying to troubleshoot tftpd(8).
> 
> % grep boot /etc/inetd.conf
> tftp   dgram udp  wait root /usr/libexec/tftpd  tftpd -dd -l -s /tftpboot
> tftp   dgram udp  wait root /usr/libexec/tftpd  tftpd -dd -l -s /tftpboot
> bootps dgram udp  wait root /usr/libexec/bootpd bootpd -d4 -t0 /etc/bootptab
> %
> 
> I'm trying to boot another node via bootp/tftp.
> 
> I'm monitoring what's going on with tcpdump -vv.
> 
> bootpd starts fine, and seems to read /etc/bootptab
> correctly.
> 
> But after that nothing happens, and after a few minutes
> I get on the console of the host which I want to boot:
> 
>> bootp()/bsd.rd.IP32
> Unable to execute bootp()/bsd.rd.IP32:  invalid argument
> 
[...]

Last time I saw this error was with an SGI Octance 2, where the Octanes 
RRQ requests contained trailing garbage, which FreeBSDs tftp tried to 
interpret as extended options.

Try disabling options_rfc and options_extra in 
/usr/src/libexec/tftpd/tftp-options.c, and reinstall tftpd.


MfG CoCo