[bug #63498] net_bootp error: no network card found

[George Harig]

Follow-up Comment #1, bug #63498 (project grub):

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. 


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[bug #63498] net_bootp error: no network card found

[George Harig]

URL:
  

 Summary: net_bootp error: no network card found
 Project: GNU GRUB
   Submitter: 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
Originator Email: gha...@comcast.net
 Open/Closed: Open
 Release: other
 Release: 
 Discussion Lock: Any
 Reproducibility: Every Time
 Planned Release: None


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Follow-up Comments:


---
Date: Sat 10 Dec 2022 12:01:59 AM UTC By: George Harig 
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
Intel® i210 Gigabit Ethernet port (1 gigabit per second, GbE) serial ports
24 Digital I/O channels


Any help is appreciated
Thanks
gharig
  

 







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