[syslinux] pxelinux stopped working

[Gilles Espinasse]

Selon Tomas M <tomas at slax.org>:

...
> Do you have any idea how to find out what's wrong?
>
> Here is my situation:
> I am trying to boot over PXE.
> TFTP server is running. DHCP server is running from the same machine. Both by
> dnsmasq.
> TFTP server has the following files and directories:
> /pxelinux.cfg/pxelinux.0
> /pxelinux.cfg/default
> I can use 'tftp localhost' (using tftp-hpa) and type 'get
> /pxelinux.cfg/default' command which downloads the default config file. Seems
> there is problem here on server.
>
> The client initiates DHCP requests. Client receives response from the server,
> assigns a new (unique) IP address to itself and it downloads pxelinux.0 file.
> Then it starts that file. Then pxelinux tries to download
> pxelinux.cfg/123456789ABCD and so on, and also it tries pxelinux.cfg/default
> and then it dies with a message "Unable to locate configuration file". But
> it's there! :)
>
> Syslog on the server shows a strange message from dnsmasq:
> TFTP error 0 TFTP Aborted received from 172.16.73.122
> FTFP failed sending /boot/pxelinux.cfg/pxelinux.0 to 172.16.73.122
>
This suggest you set on dnsmasq, tftp-root=/boot/
and it does not look to match how files are set on the tftp server as you say
it's on /pxelinux.cfg/
Set tftp-root=/var/lib/tftpboot and move pxelinux.cfg directory inside
/var/lib/tftpboot and restart dnsmasq.


Gilles