[ipxe-devel] initrd corruption since commit ef038491858cb51f8aa17b1f6e50444d2e627413

[Michael Brown]

On 26/04/2025 01:07, Michael Brown via ipxe-devel wrote:
> On 25/04/2025 22:12, Sven Dreyer via ipxe-devel wrote:
>> 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?
> 
> I'm unable to reproduce your problem, sorry.

Now reproduced, and should be fixed in commit

   https://github.com/ipxe/ipxe/commit/412ad5601

Thanks,

Michael