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
