[Bug 288885] System locks up when starting a bhyve guest under Linux/KVM
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- Reply: bugzilla-noreply_a_freebsd.org: "[Bug 288885] System locks up when starting a bhyve guest under Linux/KVM"
- Reply: bugzilla-noreply_a_freebsd.org: "[Bug 288885] System locks up when starting a bhyve guest under Linux/KVM"
- Reply: bugzilla-noreply_a_freebsd.org: "[Bug 288885] System locks up when starting a bhyve guest under Linux/KVM"
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Date: Fri, 15 Aug 2025 18:14:44 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=288885
Bug ID: 288885
Summary: System locks up when starting a bhyve guest under
Linux/KVM
Product: Base System
Version: 14.3-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bhyve
Assignee: virtualization@FreeBSD.org
Reporter: dwmw2@infradead.org
I started FreeBSD-14.3 as a VM under Linux, with nested virt enabled.
Theoretically nested virt isn't anything for FreeBSD to worry about; it just
sees that the CPU it's running has the VMX extensions, and uses them. It's only
the L0 bare metal hypervisor that has to care about nested.
The FreeBSD VM immediately locks up as soon as I try to start bhyve in it.
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