[edk2-devel] [PATCH] OvmfPkg/PlatformInitLib: Fix integrity checking failed of NvVarStore in some cases

[Gerd Hoffmann]

  Hi,

> When the variable store has those variables, then system booting/rebooting will
> hangs in a ASSERT:
> 
> NvVarStore Variable header State was invalid.
> ASSERT
> /mnt/working/source_code-git/edk2/OvmfPkg/Library/PlatformInitLib/Platform.c(819):
> ((BOOLEAN)(0==1))

I'm wondering how you manage to trigger this assert?

> Adding more log to UpdateVariable() and PlatformValidateNvVarStore(), we
> can see there have some variables have 0x3C or 0x3D state in store.
> e.g.

PlatformValidateNvVarStore() validates the varstore in ROM before
copying it to RAM.  The normal UpdateVariable() cycle changes the
copy in RAM ...

take care,
  Gerd



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