PXE-M0F: Exiting Broadcom PXE ROM.

Sebastian Roth

Please try tcpdump on the FOG server:

[CODE]sudo tcpdump -i eth0 -w issue.pcap udp[/CODE]

Upload the dump file or take a look at it yourself using wireshark!

Wayne Workman

I booted the machine up fully and used the command prompt to grab the file.

[CODE]C:\Documents and Settings\Administrator>ipconfig

Windows IP Configuration

Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix  . :
    IP Address. . . . . . . . . . . . : 10.0.0.15
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 10.0.0.1

Ethernet adapter Local Area Connection 3:

    Connection-specific DNS Suffix  . :
    IP Address. . . . . . . . . . . . : 10.198.1.6
    Subnet Mask . . . . . . . . . . . : 255.255.255.252
    Default Gateway . . . . . . . . . : 10.198.1.5

C:\Documents and Settings\Administrator>tftp 10.0.0.3 get undionly.kpxe c:\undio
nly.kpxe
Transfer successful: 89460 bytes in 1 second, 89460 bytes/s

C:\Documents and Settings\Administrator>cd c:\

C:>dir
Volume in drive C has no label.
Volume Serial Number is FC56-C26E

Directory of C:\

04/03/2015 01:26 AM 0 AUTOEXEC.BAT
04/03/2015 01:26 AM 0 CONFIG.SYS
04/04/2015 02:23 AM <DIR> dell
04/03/2015 01:28 AM <DIR> Documents and Settings
04/03/2015 01:23 AM <DIR> Inetpub
04/04/2015 02:25 AM <DIR> Intel
04/03/2015 10:24 PM <DIR> Program Files
04/08/2015 04:37 PM 89,114 undionly.kpxe
04/03/2015 10:33 PM <DIR> WINDOWS
3 File(s) 89,114 bytes
6 Dir(s) 61,086,072,832 bytes free

C:>[/CODE]

undionly.0 is also present.

[CODE][root@localhost tftpboot]# ls
boot.txt ipxe.efi ipxe.pxe snponly.efi undionly.pxe
default.ipxe ipxe.kkpxe memdisk undionly.0 vesamenu.c32
foginstall.log ipxe.kpxe pxelinux.0.old undionly.kkpxe
i386-efi ipxe.krn snp.efi undionly.kpxe
[root@localhost tftpboot]# [/CODE]

I’m going to do a TCP dump as Uncle Frank suggested… It should shed some light on what’s happening…

Oh, and so you guys don’t freak, it only has 1 NIC. The second one listed there in IPCONFIG is a virtual adapter for my encrypted VPN service. It has zero bearing on net-booting, as it’s virtual and part of the OS.

Tom Elliott

Can you post the ltsp.conf file?

Tom Elliott

Nevermind you already did. Remove the dhcp-option=66,blahblah

Wayne Workman

Removed the dhcp option 66 and restarted dnsmasq… still no luck…

Wayne Workman

I started the below command, booted the target computer, waited till it failed and started booting windows, then killed the command. Says 5 packets were captured.

I’ve got the feeling that 5 packets doesn’t cut it…

[CODE][root@localhost ~]# sudo tcpdump -i enp2s0 -w issue.pcap udp
tcpdump: listening on enp2s0, link-type EN10MB (Ethernet), capture size 262144 bytes
stop
^C5 packets captured
5 packets received by filter
0 packets dropped by kernel
[root@localhost ~]# [/CODE]

Think it has anything to do with the adapter name? It’s very unusual… enp2s0

Packet capture file is attached.

EDIT: getting wireshark now…

[url=“/_imported_xf_attachments/1/1853_issue.pcap.zip?:”]issue.pcap.zip[/url]

Wayne Workman

According to Wireshark, my FOG server’s dnsmasq service only sends out one packet…

[IMG]http://s29.postimg.org/56b9s2qp3/Screenshot_from_2015_04_08_17_30_15.png[/IMG]

Wayne Workman

In the ltsp.conf file,

I am eyeballing this line:

[CODE]dhcp-option=vendor:PXEClient,6,2b[/CODE]

I don’t think it’s right… How can I bypass it so that it just gives undionly.kpxe to everything?

Sebastian Roth

DHCP offers are both missing ‘next-server’… but your FOG server 10.0.0.3 should provide this information! I think you kind of mis-configured dnsmasq a little.
[CODE]dhcp-boot=undionly.kpxe,10.0.0.3[/CODE]
and completely remove the dhcp-option 66 line…

Wayne Workman

Still no change, but there was a change in traffic. tcpdump said 13 or so packets were captured, but the filter only stored 5 of them. I’ve also reboot the FOG server too, and tried again.

New ltsp.conf file:
[CODE]port=0
log-dhcp
tftp-root=/tftpboot
dhcp-boot=undionly.kpxe,10.0.0.3
dhcp-option=17,/images
dhcp-option=vendor:PXEClient,6,2b
dhcp-no-override
pxe-prompt=“Press F8 for boot menu”, 3
pxe-service=X86PC, “Boot from network” undionly
pxe-service=X86PC, “Boot from local hard disk”, 0
dhcp-range=10.0.0.3,proxy[/CODE]

[url=“/_imported_xf_attachments/1/1854_issue.pcap.zip?:”]issue.pcap.zip[/url]

Tom Elliott

Because the boot file is undionly.kkpxe I believe you need to also have undionly.kkpxe.0 in the tftpboot folder.

Wayne Workman

[quote=“Tom Elliott, post: 45204, member: 7271”]Because the boot file is undionly.kkpxe I believe you need to also have undionly.kkpxe.0 in the tftpboot folder.[/quote]

undionly.kkpxe.0 ?? or cp undionly.kkpxe undionly.0 ?
I thought I was using undionly.[B][U]kpxe[/U][/B] ?

Jaymes Driver

[quote=“Wayne Workman, post: 45215, member: 28155”]undionly.kkpxe.0 ?? or cp undionly.kkpxe undionly.0 ?
I thought I was using undionly.[B][U]kpxe[/U][/B] ?[/quote]

Dnsmasq adds a .0 to the file name, I never really understood why, but adding a symlink for undionly.0 seems to resolve the issue for using DNSMASQ.

This is explained in the documentation on the dnsmasq set up page.

[quote]
Make a symlink for the undionly.kpxe file so dnsmasq can find it.
[code]cd /tftpboot
sudo ln -s undionly.kpxe undionly.0[/code]
source:[url]http://fogproject.org/wiki/index.php/Using_FOG_with_an_unmodifiable_DHCP_server/_Using_FOG_with_no_DHCP_server#DNSMASQ_settings_for_iPXE[/url]
[/quote]

of course you don’t have to use the Undionly.kpxe file, you can use Ipxe.kpxe or any of the variants, but you still need to include a symlink for the .0

I noticed this when we moved from pxelinux.0 (look there’s that .0 again!!!) to the Undionly.kpxe platform for iPXE in 0.33b. I could not get my boot file on my machine during pxe boot, in doing some research (I believe I found the information in wireshark) I found that the machines were looking for Undionly.0 instead of Undionly.kpxe.

I added a symlink for udionly.kpxe to undionly.0 and the problem resolved itself.

I started by using the pxelinux.0 to chainload the undionly.kpxe file until I understood the .0 being appended to the file name.
The Thread where I discuss this issue and my notes on resolution can be found here:[url]http://fogproject.org/forum/threads/dnsmasq-help-for-ipxe-stuff.10222/[/url]

Tom Elliott

Try changing this:
[code]port=0
log-dhcp
tftp-root=/tftpboot
dhcp-boot=undionly.kpxe
dhcp-option=17,/images
dhcp-option=vendor:PXEClient,6,2b
dhcp-no-override
pxe-prompt=“Press F8 for boot menu”, 3
pxe-service=X86PC, “Boot from network” undionly
pxe-service=X86PC, “Boot from local hard disk”, 0
dhcp-range=10.0.0.3,proxy
dhcp-option=66,“10.0.0.3”[/code]

TO THIS:
[code]port=0
log-dhcp
tftp-root=/tftpboot
dhcp-boot=undionly.0,10.0.0.3,10.0.0.3
dhcp-option=17,/images
dhcp-option=vendor:PXEClient,6,2b
dhcp-no-override
pxe-prompt=“Press F8 for boot menu”, 3
pxe-service=X86PC, “Boot from network”, undionly
pxe-service=X86PC, “Boot from local hard disk”, 0
dhcp-range=10.0.0.3,proxy[/code]

Wayne Workman

Made the change to the file, wow!

However, it still doesn’t boot… I’ve tried the Optiplex 745 and my laptop, which is a Dell D620.

Here’s what it does: [media=youtube]g1mQa-18ISQ[/media]

Wayne Workman

Going to try the other files in a bit…

Tom Elliott

What’s the output of the browser if you type in:

[url]http://10.0.0.3/fog/service/ipxe/boot.php[/url]

Wayne Workman

[quote=“Tom Elliott, post: 45278, member: 7271”]What’s the output of the browser if you type in:

[url]http://10.0.0.3/fog/service/ipxe/boot.php[/url][/quote]

[CODE]
Forbidden

You don’t have permission to access /fog/service/ipxe/boot.php on this server.
[/CODE]

I did this:
[CODE]chmod -R 755 /var/www/html/fog[/CODE]

And now that link gives output.

and I GET THE FOG MENU!!! WOOT WOOT!!

Wayne Workman

Currently uploading an image.

EDIT: Image uploaded fine.

Wayne Workman

So why were the permissions on that directory wrong? (for RedHat installation)
Can we get that fixed in the next revision?

PXE-M0F: Exiting Broadcom PXE ROM.

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