Date: Tue, 12 Jul 2011 05:00:08 +0200 From: Marco Steinbach <coco@executive-computing.de> To: freebsd-questions@freebsd.org Cc: Anton Shterenlikht <mexas@bristol.ac.uk> Subject: Re: tftp - bad checksum error? can't transfer file Message-ID: <4E1BB8B8.60804@executive-computing.de> In-Reply-To: <4E1BB046.4050307@executive-computing.de> References: <20110707224435.GA27624@mech-cluster241.men.bris.ac.uk> <4E1BB046.4050307@executive-computing.de>
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Marco Steinbach schrieb:
> 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.
>
Here's another, probably more feasible suggestion:
tftpd(8)s man page (on 8.2-STABLE) tells:
-o Disable support for RFC2347 style TFTP Options.
I don't remember, if that knob didn't do the trick for me, or if I just
didn't see and try it. I assume the latter.
MfG CoCo
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