Penned by Theo de Raadt on 20180823 14:22.46, we have: | Mike Larkin <mlar...@azathoth.net> wrote: | | > On Thu, Aug 23, 2018 at 11:05:40AM -0500, Todd T. Fries wrote: | > > This makes me wonder. Does it make sense to support booting a kernel without | > > disks? Some people have heard of the phrase 'diskless' ;-) | > > | > > Penned by Reyk Floeter on 20180822 13:35.23, we have: | > > | Hi, | > > | | > > | vmctl doesn't allow to boot VMs with only a CDROM. I see no reason | > > | for it and vmd already allows CDROM-only. | > > | | > > | OK? | > > | | > > | Via https://twitter.com/wizardishungry/status/1032327323125727232 | > > | "Jon Williams @wizardishungry | > > | @reykfloeter Could you consider allowing booting ISO-only vms in 6.4? | > > | This is helpful for running container hosts (e.g. boot2docker)." | > > | | > > | Reyk | > > | | > > | Index: usr.sbin/vmctl/vmctl.c | > > | =================================================================== | > > | RCS file: /cvs/src/usr.sbin/vmctl/vmctl.c,v | > > | retrieving revision 1.54 | > > | diff -u -p -u -p -r1.54 vmctl.c | > > | --- usr.sbin/vmctl/vmctl.c 12 Jul 2018 12:04:49 -0000 1.54 | > > | +++ usr.sbin/vmctl/vmctl.c 22 Aug 2018 18:29:44 -0000 | > > | @@ -98,8 +98,8 @@ vm_start(uint32_t start_id, const char * | > > | errx(1, "too many disks"); | > > | else if (ndisks == 0) | > > | warnx("starting without disks"); | > > | - if (kernel == NULL && ndisks == 0) | > > | - errx(1, "no kernel or disk specified"); | > > | + if (kernel == NULL && ndisks == 0 && !iso) | > > | + errx(1, "no kernel or disk/cdrom specified"); | > > | if (nnics == -1) | > > | nnics = 0; | > > | if (nnics > VMM_MAX_NICS_PER_VM) | > > | > > -- | > > Todd T. Fries . http://todd.fries.net/pgp.txt . @unix2mars . github:toddfries | > > | > | > I know personally of at least 3 people using vmm(4)/vmd(8) with gigantisch | > ramdisks containing all sorts of goo. None of them use any disks. | | but no AFS in sight. |
vmd(8) doesn't have a fdc(4) either, so no swapping on a floppy! -- Todd T. Fries . http://todd.fries.net/pgp.txt . @unix2mars . github:toddfries
