[SOLVED] PB PXE NBP file size 0 Bytes

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bruno67
Messages: 21
Registration: August 2, 2018 - 11:39

April 14, 2022 - 3:04 PM

Good morning,

I just spent hours with this error while attempting a PXE deployment
pxe.png
pxe.png (2.79 KiB) Viewed 9120 times
NBP file name is ipxe.efi
NBP filesize is 0 bytes
download succeed

and the PC refused to boot

We have an ISC DHCP server running Linux, and we need to specify the size of the IPXE file that will be downloaded. To complicate matters, this file must be divided by 512
This requirement applies to UEFI BIOS versions higher than 2.3

If it helps...
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dcardon
WAPT Expert
Messages: 1929
Registration: June 18, 2014 - 09:58
Location: Saint Sébastien sur Loire
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April 15, 2022 - 2:33 PM

Hello Bruno67,

have you disabled Secure Boot on your machine? I've already encountered the exact same issue on Lenovo laptops with Secure Boot enabled, even though the IPXE file isn't signed.
The IPXE binary provided by the IPXE project isn't signed for Secure Boot. If you want to keep Secure Boot enabled during the initial installation, you need to:
* purchase an IPXE Anywhere license from 2pints Software
* perform a boot without IPXE (boot directly from the Microsoft BCD).

Regards,

Denis
Denis Cardon - Tranquil IT
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bruno67
Messages: 21
Registration: August 2, 2018 - 11:39

April 19, 2022 - 3:52 PM

By modifying the size of the PXE file in the DHCP server, the IPXE download proceeds correctly
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dcardon
WAPT Expert
Messages: 1929
Registration: June 18, 2014 - 09:58
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April 20, 2022 - 12:37

Hello Bruno67,

we have laptops with secure boot for internal testing/development on WADS, and secure boot was introduced with the UEFI 2.3.1 specification, so it's not always necessary to specify it.

It might depend on the implementation. What is the model of laptop you have (manufacturer and exact model number)?

Regards,

Denis
Denis Cardon - Tranquil IT
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dcardon
WAPT Expert
Messages: 1929
Registration: June 18, 2014 - 09:58
Location: Saint Sébastien sur Loire
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April 27, 2022 - 5:25 PM

Hello Bruno67,

after investigation we found an issue in the TFTP server response where the `tsize` variable in the TFTP response has an extra null character (`\0`), which can cause problems for some TFTP clients. We are currently fixing and validating the fix. We found an internal laptop exhibiting the same behavior as yours, so we can reproduce the issue and validate the fix.

Sincerely,

Denis
Denis Cardon - Tranquil IT
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smandel
Messages: 111
Registration: May 5, 2022 - 11:30

May 18, 2022 - 5:42 PM

Good morning,

I just tried a deployment on a new PC and the PXE boot in UEFI mode is stuck at:

Code: Select all

Downloading NBP file...
Secure boot has been disabled.
I'm stuck...
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sfonteneau
WAPT Expert
Messages: 2318
Registered: July 10, 2014 - 11:52 PM
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May 18, 2022 - 6:15 PM

Hello,

could you try the latest release I just pushed?

https://wapt.tranquil.it/wapt/releases/ ... -1b2dfbee/

Simon Fonteneau
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smandel
Messages: 111
Registration: May 5, 2022 - 11:30

May 19, 2022 - 09:17

Hi Simon,

I pushed the latest version to our server this morning but no luck...
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sfonteneau
WAPT Expert
Messages: 2318
Registered: July 10, 2014 - 11:52 PM
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May 19, 2022 - 09:44

Can you tell me the server's operating system (Windows/Debian/Red Hat)?

Are you using WaptFTP Server?

I'd like to try switching you to another TFTP server to see if it's better, but I need the system information to guide you properly.
High
smandel
Messages: 111
Registration: May 5, 2022 - 11:30

May 19, 2022 - 1:40 PM

We are on a Debian 11 server with the wapttftpserver.
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