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Subject: Re: svn commit: r274914 - in head/sys: kern sys ufs/ffs vm
From: Adrian Chadd <adrian@freebsd.org>
To: Ruslan Bukin <br@freebsd.org>
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On 27 November 2014 at 10:36, Ruslan Bukin <br@freebsd.org> wrote:
> Hi,
>
> There is a theory that a problem is related to CPU caches, and it can be BERI-cpu
> specific only.
>
> And sorry I didn't realized virtio was still in the kernel when I was trying
> MDROOT (we do dcache operations in virtio).
>
> The workaround I found is to disable all the instruction cache invalidation calls
> (there are a few calls on cpu startup only).
>

Hm, can we test this on real MIPS hardware, just to be sure?

I can spin this up on MIPS24k/MIPS74k hardware early next week.



-adrian