On 08/14/18 14:00, Hristo Mihaylov wrote:
> Hello, Laszlo,
> 
> There is a PEIM that executes BuildFvHob with the FVMAIN_COMPACT address and 
> size, the function also exits normally.
> 
> The crash occurs here: 
> https://github.com/tianocore/edk2/blob/master/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c#L469
>  and the platform uses UDK2015 packages.
> I also updated the DxeIpl module to the latest UDK release, but that didn't 
> fix the issue.
> 
> Now I'm trying two approaches:
> 
> 1. to use a decompressed DXE and see if the issue was in the compression.
> 2. to enable source level debugging and track execution.
> 
> Any idea what else it could be, besides the BuildFvHob function? Or a way to 
> see if the HOB was built successfully.

Sorry, adding fine-grained debug messages (or source level debugging, as
you say) is my only thought at this point.

Laszlo
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