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
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