https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219343
Bug ID: 219343
Summary: bhyve requires -w option to run FreeBSD guests on AMD
A10 CPU
Product: Base System
Version: 11.0-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: misc
Assignee: freebsd-bugs@FreeBSD.org
Reporter: freebsd-b...@theory14.net
I must pass the "-w" option to bhyve in order for it to run FreeBSD guests on
my AMD 10-7860K CPU. Since the man page indicates this option is intended for
debugging purposes, I assume I probably shouldn't need this to run.
- Without "-w", the FreeBSD install image loads the boot loader but hangs after
trying to boot the kernel. CPU load goes to ~ 100%
- On the same machine, I've installed an OpenBSD 6.1 VM (grub2-bhyve) and did
NOT need the "-w" option.
- Kernel: FreeBSD XXXXXX 11.0-RELEASE-p9 FreeBSD 11.0-RELEASE-p9 #0: Tue Apr
11 08:48:40 UTC 2017
r...@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64
- This happens with both 11.0-RELEASE images and 11.0-STABLE
To duplicate on a machine with an AMD A10 CPU (maybe other AMD CPU) Follow
steps on https://wiki.freebsd.org/action/show/bhyve?action=show&redirect=BHyVe
(Q: What is the easiest way to try bhyve?):
- Failure Condition
-- fetch
ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/VM-IMAGES/11.0-STABLE/amd64/Latest/FreeBSD-11.0-STABLE-amd64.raw.xz
-- unxz FreeBSD-11.0-STABLE-amd64.raw.xz
-- sudo sh /usr/share/examples/bhyve/vmrun.sh -d FreeBSD-11.0-STABLE-amd64.raw
vm0
-- Observe hung systems
- "Fix"
-- Edit vmrun.sh to add "-w" to the bhyve options
-- sudo sh /usr/share/examples/bhyve/vmrun.sh -d FreeBSD-11.0-STABLE-amd64.raw
vm0
-- Observe nice and happy FreeBSD system.
If you need dmesg output or anything else, I'm happy to provide.
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