Date: Fri, 18 Jan 2019 23:55:38 +0000 From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 235010] bhyve: Linux guest crash due to unhandled MSR Message-ID: <bug-235010-27103-9DlQZPfdcD@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-235010-27103@https.bugs.freebsd.org/bugzilla/> References: <bug-235010-27103@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D235010 --- Comment #5 from commit-hook@freebsd.org --- A commit references this bug: Author: cem Date: Fri Jan 18 23:54:51 UTC 2019 New revision: 343166 URL: https://svnweb.freebsd.org/changeset/base/343166 Log: vmm(4): Mask Spectre feature bits on AMD hosts For parity with Intel hosts, which already mask out the CPUID feature bits that indicate the presence of the SPEC_CTRL MSR, do the same on AMD. Eventually we may want to have a better support story for guests, but for now, limit the damage of incorrectly indicating an MSR we do not yet support. Eventually, we may want a generic CPUID override system for administrators, or for minimum supported feature set in heterogenous environments with failover. That is a much larger scope effort than this bug fix. PR: 235010 Reported by: Rys Sommefeldt <rys AT sommefeldt.com> Sponsored by: Dell EMC Isilon Changes: head/sys/amd64/vmm/x86.c --=20 You are receiving this mail because: You are the assignee for the bug.=
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