Re: port-xen/51526: NetBSD-7 panic on lenovo x42 and x200 with hypervisor_mmu_update failed

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Mon, Oct 03, 2016 at 04:45:00PM +0000, mk%steepath.eu@localhost wrote:
> >Description:
> NetBSD XEN3_DOM0 kernel crash during boot on Xen (xen41, xen42, xen45 and xen46) with some hardware. This was discovered during installing test server on some old computer. 
> 
> Lenovo x42 (dual-core, 4GB RAM):
> 
>  - crash: netbsd7 + xenkernel42 
>  - crash: netbsd7 + xenkernel45 
>  - crash: netbsd7 + xenkernel46 
> 
> Lenovo x200t (dual-core i7, 8GB RAM)
> 
>  - ok: netbsd6.1.5 + xen42
>  - ok: netbsd6.1.5 + xen45
>  - crash: netbsd7 + xen41
>  - crash: netbsd7 + xen42
>  - crash: netbsd7 + xen46
> 
> QEMU 2.7.0 (1CPU, 1024MB RAM, on voidlinux)
> 
>  - ok: netbsd7 + xen41
>  - ok: netbsd7 + xen42
>  - ok: netbsd7 + xen46
>  - ok: netbsd6.1.5 + xen41
>  - ok: netbsd6.1.5 + xen42

I would suspect the drm driver.
Would it boot if you rebuild a kernel without DRI/DRM ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--