Re: Getting ACRN to work


Chen, Zide
 

Hi Dubravko,

 

Host MMU page size is 2MB in ACRN hypervisor. It seems to me that the direct cause for crash could be CONFIG_HV_RAM_START(0x13151000) is not 2MB aligned. 

Did you disable relocation (RELOC in Kconfig)? By default RELOC is enabled and it allocates memory from EFI and overwrites the user defined CONFIG_HV_RAM_START, which is supposed to be able to avoid the 2MB alignment issue. 

In case of you prefer to disable hypervisor relocation, you may need to make sure that CONFIG_HV_RAM_START is configured to the memory that is of EfiConventionalMemory(7) type. You may find out the available memory by calling dump_e820() in misc/efi-stub/boot.c, before emalloc_reserved_aligned().

 

Best Regards,

Zide

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