--- wikisrc/ports/xen/howto.mdwn 2015/02/10 17:38:14 1.88 +++ wikisrc/ports/xen/howto.mdwn 2015/03/04 01:27:58 1.89 @@ -142,6 +142,18 @@ running an i386 NetBSD kernel as a domU, (Note that emacs (at least) fails if run on i386 with PAE when built without, and vice versa, presumably due to bugs in the undump code.) +Stability +--------- + +Mostly, NetBSD as a dom0 or domU is quite stable. +However, there are some open PRs indicating problems. + + - http://gnats.netbsd.org/48125 + - http://gnats.netbsd.org/47720 + +Note also that there are issues with sparse vnd(4) instances, but +these are not about Xen. + Recommendation -------------- @@ -636,6 +648,10 @@ create an empty 4G virtual disk, simply dd if=/dev/zero of=foo-xbd0 bs=1m count=4096 +Do not use qemu-img-xen, because this will create sparse file. There +have been recent (2015) reports of sparse vnd(4) devices causing +lockups, but there is apparently no PR. + With the lvm style, one creates logical devices. They are then used similarly to vnds. TODO: Add an example with lvm.