NetBSD-Users archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: HVM virtualization?



Manuel Bouyer <bouyer%antioche.eu.org@localhost> writes:

> On Sat, Oct 31, 2020 at 01:37:17PM -0500, Jeremy C. Reed wrote:
>> One of my hosting providers is converting VPSes from PV to HVM 
>> virtualization due to security issue
>> https://xenbits.xen.org/xsa/advisory-286.html
>> 
>> They say NetBSD does not work under HVM mode and can choose a different 
>> BSD (or Linux).
>> 
>> Can someone tell me about this? I did look briefly at 
>> http://wiki.netbsd.org/ports/xen/howto/ but don't understand the context 
>> of the wiki saying it is supported but the hosting provider saying it 
>> does not work.
>
> plain HVM, with emulated devices, works without problems (and always has).
> If they only support PV devices, then it works only in HEAD (GENERIC supports
> it)

I have heard that the issue with with qemu "stub domains" and with
those, NetBSD ends up with PIO on disks and is thus unusably slow.

https://wiki.xen.org/wiki/QEMU_vs_qemu-traditionnal_Feature_Comparison

Attachment: signature.asc
Description: PGP signature



Home | Main Index | Thread Index | Old Index