bugGNU GRUB - Bugs: bug #63498, net_bootp error: no network card...

 
 

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bug #63498: net_bootp error: no network card found

Submitter:  George Harig <gharig>
Submitted:  Sat 10 Dec 2022 12:01:59 AM UTC
   
 
Category:  Booting Severity:  Major
Priority:  5 - Normal Item Group:  None
Status:  None Privacy:  Public
Assigned to:  None Originator Name:  George Harig
Open/Closed:  Open Release:  other
Release:  Reproducibility:  Every Time
Planned Release:  None

Mon 12 Dec 2022 01:22:23 AM UTC, comment #1: 

So during the weekend, I installed Tinycore CorePure64 on a hyper-V windows 10 machine, using the Hyper-V Generation 2 method, so that the grub will load the system.  When I was at the Grub prompt I loaded the net and efinet modules and then entered the command net_ls_cards, and the hyperV network card was displayed. Now I haven't tested if I can http or tftp yet, I will later this week, but the fact that the Hyper-V UEFI Install found the network card is promising. Now if only I can get net network to work on the Winsystem PC-104 C407 card.

George Harig <gharig>
Sat 10 Dec 2022 12:01:59 AM UTC, original submission:  

Hi All,

So I have a winsystem C407 PC104 machine, a Hard drive with 3 prtitions on it, #1 is linux etx4, #2 is linux swap and #3 is vFat UEFI (with Grub on it), I also have a USB drive that is set up to UEFI boot, both UEFI drives (hard drive and usb) have GRUB2 version 2.06. I used grub-install to generate the EFI/BOOT files using Tinycore PureCore64, which is a linux 64bit distro.

So first, from what I can tell, the Grub boot loader works, and it works great, on both the hard drive and USB. I can not complain, Tinycore 64 is the OS that gets loaded every time.

However, when I am at the GRUB prompt and enter the command net_bootp I get the error: no network cards found.  I have in my grub.cfg to load the following modules using insmod: net, efinet, tftp, http and a few others. I have also manually loaded the modules. 

From what I have read, I have the idea that I should be able to access a tftp or http server from the grub command line.  Which would be totally awesome. And would solve a lot of issues for me if it does in fact work the way I think it should.

My goal is to let GRUB2 handle the remote booting, verses having the BIOS handle the PXE booting.


When I run the command net_ls_cards at the Grub prompt, no cards are returned.

The network card dose work, I know this because I am able to PXE netboot from the machine.

The hardware I'm using is Winsystem C407 PC104 card
with
E3825 2 core, 1.33 GHz
IntelĀ® i210 Gigabit Ethernet port (1 gigabit per second, GbE) serial ports
24 Digital I/O channels


Any help is appreciated
Thanks
gharig
 


George Harig <gharig>

 

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