https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=279901
--- Comment #16 from Evgenii Khramtsov <2khramt...@gmail.com> ---
Not exposing ERMS in CPUID works fine here as a workaround with Arch Linux@Zen
3:
diff --git a/sys/amd64/vmm/x86.c b/sys/amd64/vmm/x86.c
--- a/sys/amd64/vmm/x86.c
+++ b/sys/amd64/vmm/x86.c
@@ -434,7 +434,7 @@ x86_emulate_cpuid(struct vcpu *vcpu, uint64_t *rax,
uint64_t *rbx,
CPUID_STDEXT_BMI1 | CPUID_STDEXT_HLE |
CPUID_STDEXT_AVX2 | CPUID_STDEXT_SMEP |
CPUID_STDEXT_BMI2 |
- CPUID_STDEXT_ERMS | CPUID_STDEXT_RTM |
+ CPUID_STDEXT_RTM |
CPUID_STDEXT_AVX512F |
CPUID_STDEXT_AVX512DQ |
CPUID_STDEXT_RDSEED |
--
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