Dear iPXE developers,

after the easter holidays, I just noticed that I can neither boot my Debian amd64 nfsroot system nor my Windows 10 PE x86_64 any longer.

The iPXE Debian nfsroot thing worked like a charm with various Debian releases on amd64 as well as on i386.

Now it doesn't boot because the initrd seems corrupted:
Initramfs unpacking failed: invalid magic at start of compressed archive

Comparable problems apply to wimboot 2.8.0 trying to boot a Windows PE 10.0-26100 x86_64:
Unexpected output length 0x0 (expected 0x8000)
Could not patch WIM boot.wim

Setup is:
- x86_64 on BIOS (not UEFI)
- PXE boot configured
- Integrated PXE loads ipxe.pxe (self compiled from git master)
- iPXE loads script
- script for Debian nfsroot loads both initrd and kernel via nfs:// uri and boots kernel with append parameters - script for Windows PE loads wimboot 2.8.0 and further windows files over HTTP

What I noticed is:
- The problem occurs with ipxe.pxe, undionly.kpxe and undionly.kkpxe
- When switching to UEFI (and using ipxe.efi), the problem does NOT occur
- A git bisect reveals that ef038491858cb51f8aa17b1f6e50444d2e627413 is the first bad commit. - Before commit ef038491858cb51f8aa17b1f6e50444d2e627413, everything works for me.

Is there anything I can do to track this problem down?

Thanks and best regards,
Sven

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