[Bug 291768] bhyve won't boot anything on 15.0 - AMD EPYC 9124
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Date: Sat, 18 Jul 2026 15:01:31 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291768
Pavel Radvan <pavel.radvan@gmail.com> changed:
What |Removed |Added
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CC| |pavel.radvan@gmail.com
--- Comment #39 from Pavel Radvan <pavel.radvan@gmail.com> ---
Hi.
I could confirm that setting vm.pmap.la57=0 in boot/loader.conf on HP server
with EPYC CPU helped to have bhyve working.
I have there installed FreeBSD 15.1 Stable and it runs from half of April to
today without any crash.
CPU is:
hw.machine: amd64
hw.model: AMD EPYC 9115 16-Core Processor
hw.ncpu: 32
hw.machine_arch: amd64
Server is HP Proliant DL325g11 with latest firmware (from April 2026)
I have ther 2 VMs now with Windows Server 2025 Standard and it is running
nicely and is stable.
Next step will be to switch from stable to release.
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