https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=293147
Bug ID: 293147
Summary: Bhyve broken on FreeBSD with SVM error
Product: Base System
Version: 15.0-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bhyve
Assignee: [email protected]
Reporter: [email protected]
I recently upgraded from FreeBSD 14.3 to FreeBSD 15.0-p3 via pkgbase.
This broke launching any of my bhyve virtual machines. If I go back to my
FreeBSD 14.3 boot environment then they start working again. I've tried both a
FreeBSD 15 upgraded from 14.3 and a clean install of FreeBSD 15, both exhibit
this error.
```
# bhyve -D -c 8 -m 64G -S -H -o rtc.use_localtime=false -s 0,hostbridge -s
4,nvme,/dev/zvol/zdata/vm/hydra/disk0 -s 11,xhci,tablet -s 12,lpc -l com1,stdio
-l
bootrom,/usr/local/share/uefi-firmware/BHYVE_UEFI.fd,/vm/hydra/BHYVE_UEFI_VARS.fd
-s
2:0,virtio-net,netgraph,path=bridge_jail_nat:,peerhook=link5,mac=06:84:36:68:03:77
-s 5,ahci-cd,/vm/hydra/hydra.iso -s 10,fbuf,tcp=127.0.0.1:5901,w=1920,h=1080
hydra
fbuf frame buffer base: 0x3cdc64200000 [sz 33554432]
vm exit[0]
reason SVM
rip 0x000000000000fff0
inst_length 0
exitcode 0x400
exitinfo1 0x10000001d
exitinfo2 0xfffff000
```
dmesg isn't much help:
```
pid 53041 (bhyve), jid 0, uid 0: exited on signal 6 (no core dump - other
error)
```
Nor is /var/log/messages:
```
Feb 12 19:08:01 mrmanager kernel: pid 53041 (bhyve), jid 0, uid 0: exited on
signal 6 (no core dump - other error)
```
Machine is:
Motherboard: AS -1115CS-TNR
CPU: AMD EPYC 9124
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