[syslinux] Could not find kernel image : vmlinuz

[Geert Stappers]

Op 20090805 om 12:53 schreef H. Peter Anvin:
> On 08/05/2009 12:21 PM, Geert Stappers wrote:
> >> Aug  5 17:41:14 server17 in.tftpd[2480]: RRQ from 192.168.1.240 filename /vmlinuz
> > 
> > To me it seems that the only file on the tfp server was pxelinux.0
> > 
> 
> No, in that case he would get a NAK response (which he does for some
> other files.)

>From the first post in this thread:

Aug  5 13:10:26 server17 in.tftpd[5220]: RRQ from 192.168.1.240 filename /pxelinux.0
Aug  5 13:10:26 server17 in.tftpd[5220]: tftp: client does not accept options
Aug  5 13:10:26 server17 in.tftpd[5221]: RRQ from 192.168.1.240 filename /pxelinux.0
Aug  5 13:10:26 server17 in.tftpd[5222]: RRQ from 192.168.1.240 filename /pxelinux.cfg/01-00-30-48-d3-d8-59
Aug  5 13:10:26 server17 in.tftpd[5222]: sending NAK (1, File not found) to 192.168.1.240
Aug  5 13:10:26 server17 in.tftpd[5223]: RRQ from 192.168.1.240 filename /pxelinux.cfg/C0A801F0
Aug  5 13:10:26 server17 in.tftpd[5223]: sending NAK (1, File not found) to 192.168.1.240
Aug  5 13:10:26 server17 in.tftpd[5224]: RRQ from 192.168.1.240 filename /pxelinux.cfg/C0A801F
Aug  5 13:10:26 server17 in.tftpd[5225]: RRQ from 192.168.1.240 filename /pxelinux.cfg/C0A801
Aug  5 13:10:26 server17 in.tftpd[5226]: RRQ from 192.168.1.240 filename /pxelinux.cfg/C0A80
Aug  5 13:10:26 server17 in.tftpd[5227]: RRQ from 192.168.1.240 filename /pxelinux.cfg/C0A8
Aug  5 13:10:26 server17 in.tftpd[5228]: RRQ from 192.168.1.240 filename /pxelinux.cfg/C0A
Aug  5 13:10:26 server17 in.tftpd[5229]: RRQ from 192.168.1.240 filename /pxelinux.cfg/C0
Aug  5 13:10:26 server17 in.tftpd[5230]: RRQ from 192.168.1.240 filename /pxelinux.cfg/C
Aug  5 13:10:26 server17 in.tftpd[5231]: RRQ from 192.168.1.240 filename /pxelinux.cfg/default
Aug  5 13:10:44 server17 in.tftpd[5234]: RRQ from 192.168.1.240 filename /vmlinuz
Aug  5 13:10:47 server17 in.tftpd[5235]: RRQ from 192.168.1.240 filename /vmlinuz
Aug  5 13:10:54 server17 in.tftpd[5236]: RRQ from 192.168.1.240 filename /vmlinuz

Only two NAK packets 

Much lines like
Aug  5 13:10:26 server17 in.tftpd[52??]: sending NAK (1, File not found) to 192.168.1.240
are missing.

> There is something a lot more insiduous going on.  What's really weird
> is that it transfers the config file but not the kernel.
> 
> A Wireshark trace would be a good starting point, combined with hardware
> information.


Yep, a Wireshark trace would reveal if actual the file
pxelinux.cfg/default is transmitted.

Right now is my assumption that pxelinux.0 wants a vmlinuz when there
was no pxelinux.cfg/default.


Cheers
Geert Stappers