Re: [Xen-users] forcing HVM to specific network model with PV-aware FreeBSD DomU

[Andreas Pflug <pgadmin@xxxxxxxxxxxxxxxxx>]

Am 15.10.15 um 16:21 schrieb Ian Campbell:
>
> On the FreeBSD side, it is said that the xn xen netfront driver can't be
> disabled at boot time, unless a custom kernel is built (certainly not
> desirable regarding security updates), so:
> "can't be disabled" also implies not being able to avoid unplugging the
> emulated path I take it?
>
> Otherwise you could just configure the emulated NIC and leave the PV one
> down.
Apparently not possible
>
>> How can I disable xen-netback drivers for a specific HVM? It should
>> respect the "model=e1000" setting (or maybe virtio?). I'm running Xen
>> 4.4 on Debian.
>
> Oh, I just remembered that you can set xen_platform_pci=0 in your guest
> cfg, that will turn of all PV extensions though, not just network.

This would work for me, unfortunately, this will make the kernel crash:
Fatal trap 12 page fault while in kernel mode, Stopped at
_sx_slock_hard+0x19a

Regards,
Andreas

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