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Problem with EFI PXE booting and the snponly.efi target
2013-11-27, 22:23
Post: #12
RE: Problem with EFI PXE booting and the snponly.efi target
(2013-11-27 21:52)robinsmidsrod Wrote:  There is currently no way for iPXE (EFI version) to boot anything that is not a valid EFI binary. You'll need the Linux kernel compiled with the CONFIG_EFI_STUB flag (I think that's what it's called) enabled to turn it into an EFI binary.

Maybe someone else here can help out with this EFI stuff. I haven't touched it much, to be honest. I'm just repeating what I've heard others say, like a parrot. Smile

I kind of guessed that the advice to enable BZIMAGE support for EFI was a red herring; I'm not sure why there are so many posts online advising that. However, my point is that iPXE is refusing to even boot any EFI images, as well. Right now, all I'm trying to do is something extremely basic:

iPXE 1.0.0+ -- Open Source Network Boot Firmware -- http://ipxe.org
Features: HTTP DNS TFTP EFI Menu
iPXE> dhcp
Configuring (net0 00:50:56:ba:13:10)...... ok
iPXE> ifstat
net0: 00:50:56:ba:13:10 using <NULL> on EFI SNP (open)
[Link:up, TX:3 TXE:0 RX:11 RXE:5]
[RXE: 5 x "Operation not supported (http://ipxe.org/3c086003)"]
iPXE> route
net0: 10.5.15.50/255.255.255.0 gw 10.5.15.1
iPXE> chain http://10.5.15.100/snponly.efi
http://10.5.15.100/snponly... ok
Could not boot: No such device (http://ipxe.org/2c048007)
iPXE> ifstat
net0: 00:50:56:ba:13:10 using <NULL> on EFI SNP (open)
[Link:up, TX:86 TXE:0 RX:137 RXE:31]
[RXE: 30 x "Operation not supported (http://ipxe.org/3c086003)"]
[RXE: 1 x "Error 0x06376006 (http://ipxe.org/06376006)"]
iPXE> route
net0: 10.5.15.50/255.255.255.0 gw 10.5.15.1

ifstat and route show the interface is configured and opened, but it still refuses to boot the file that it downloaded via HTTP. This is the case whether I try to chain boot snpboot.efi, ipxe.efi, or grub.efi. Googling around I can't find any threads of anyone successfully getting snponly.efi to successfully boot anything. Everyone seems to get the same "No such device" error. Is this supposed to work, or am I attempting to do something that isn't supported yet?

My eventual goal here is to use iPXE to chain load grub.efi, but it seems to not be able to boot any EFI application no matter what I throw at it.
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RE: Problem with EFI PXE booting and the snponly.efi target - garrick - 2013-11-27 22:23



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