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Re: [PATCH v7 00/41] target/arm: Implement ARMv8.1-VHE


From: Jonathan Cameron
Subject: Re: [PATCH v7 00/41] target/arm: Implement ARMv8.1-VHE
Date: Tue, 31 Mar 2020 16:33:24 +0100

On Fri, 7 Feb 2020 11:52:46 +0000
Peter Maydell <address@hidden> wrote:

> On Thu, 6 Feb 2020 at 10:54, Richard Henderson
> <address@hidden> wrote:
> >
> > Version 7 has one more tweak to the vhe tlb flushing
> > that Peter asked for.  All patches have reviews.
> >
> >  
> 
> 
> 
> Applied to target-arm.next, thanks.

Hi Peter / Richard.

Just wondering if there are any known issues with this?

I'm trying to test with mainline kernel 5.6, and the qemu rc0.
Host emulating 4 core cpu=max,virtualization=on, guest 1 core.

I get one of those lovely init died messages.
(copy typed between screens)

Run /sbin/init as init process
Kernel panic - not synching: Attempted to kill init! exitcode =0x0000000b

Nothing obvious in the trace for why.

Same kernel / image / setup etc works fine when tested with a real
VHE supporting machine as the host (kunpeng920).

Also fine running as a guest inside the emulated host without kvm.

This is a bit too much of a case of Russian dolls so I'm not even sure
how to get any useful debug information.

Thanks,

Jonathan


> 
> -- PMM
> 





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