[Radxa Cubie A7A/A7Z - Allwinner a733]

32 minutes ago, eselarm said:

Kernel older than 6.8 or so does not support moving between an A76 and an A55

thank you for adding information about big.LITTLE
seems that will be the next issue when we need to work virtualization on A7A/A7Z

 

but for now, we seems facing the problem during the boot process
CPU in the wrong exception levels(model)
so the virtualization is not support in any situation(my guess)
also Nick thought it's about u-boot issue and used the official binary image
so we might need to wait for official update or we need to work by ourself

[Radxa Cubie A7A/A7Z - Allwinner a733]

@Linlunson same, I want to run pxvirt on it
but now I can only play some container with docker without virtualization
funny thing even old raspberry pi can use kvm feature
but this "new" allwinner chip can't this out-of-the-box support this besic feature
I think I was also deceived by radxa's staff in some way
https://forum.radxa.com/t/a7a-harware-virtualization/29745

 

anyway I also test on Nick's image, but mean the offical image from radxa

https://github.com/radxa-build/radxa-a733/releases
and it also not work(still stuck on EL1)

so I think maybe Nick is do everything he can do
issue might on bootloader
I asked about the cpu exception levels on discord channel
sometime radxa's staff will answer in there too
or maybe someone knows about this
we just needs standby...

 

[Radxa Cubie A7A/A7Z - Allwinner a733]

I've also been dealing with KVM issues these past couple of days
and try to ask AI too
it said Nick is build the right kernel, like the command you check
but the problem seems is cpu can enter to EL2 mode(which has virtualization support)
and that's the problem on bootloader
so we need to wait Allwinner and radxa to fix together

 

and also since Nick quoted the offical response on "A7A: Harware Virtualization"
so I check the offical image too
and have the same issue, the system also don't supported virtualization too
I think this also confirms to some extent for EL2 mode switch support
btw Nick also discussing this issue with others in the Discord channel seems to have yielded no results

 

because I know very little about ARM SBC
I'm unable to participate in this discussion(can only watch and test)
but I think maybe this issue should be reported to official
so they will know only hardware supported it

but the bootloader stuck(if AI's conclusions right)