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Tue, 8 Apr 2025 16:51:09 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 203643] [bhyve] NetBSD causes bhyve to exit on AMD processors Date: Tue, 08 Apr 2025 16:51:09 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 10.2-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: kwhite.uottawa@gmail.com X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: virtualization@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-virtualization@freebsd.org Sender: owner-freebsd-virtualization@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D203643 Keith White changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kwhite.uottawa@gmail.com --- Comment #13 from Keith White --- A "me too" on this. I'm using a quite old Lenovo Ideapad Z575 and vm-bhyve. The SVM error is slightly different, it looks like EDK2 is trying to access 0x511 (Firmware port?). I used a different workaround: update bhyve(8) to log and ignore SVM errors if environment variable "_BHYVE_AMD_A8_ENABLE_" is set. =3D=3D=3D=3D head /var/run/dmesg.boot =3D=3D=3D=3D=3D Copyright (c) 1992-2025 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 15.0-CURRENT #4 main-n276261-297473069610-dirty: Mon Apr 7 12:16:25 EDT 2025 root@dell7390:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG amd64 FreeBSD clang version 19.1.7 (https://github.com/llvm/llvm-project.git llvmorg-19.1.7-0-gcd708029e0b2) VT(vga): resolution 640x480 CPU: AMD A8-3500M APU with Radeon(tm) HD Graphics (1497.33-MHz K8-class CPU) Origin=3D"AuthenticAMD" Id=3D0x300f10 Family=3D0x12 Model=3D0x1 Stepp= ing=3D0 =20 Features=3D0x178bfbff Features2=3D0x802009 AMD Features=3D0xee500800 AMD Features2=3D0x37ff SVM: NP,NRIP,NAsids=3D64 TSC: P-state invariant, performance statistics =3D=3D=3D=3D=3D bhyve.log =3D=3D=3D=3D=3D vm exit[0] reason SVM rip 0x000000007fa6e480 inst_length 2 exitcode 0x7b exitinfo1 0x511021d exitinfo2 0x7fa6e482 =3D=3D=3D=3D usr.sbin/bhyve/amd64/vmexit.c patch =3D=3D=3D=3D diff --git a/usr.sbin/bhyve/amd64/vmexit.c b/usr.sbin/bhyve/amd64/vmexit.c index 944f5de34645..94dde19eb931 100644 --- a/usr.sbin/bhyve/amd64/vmexit.c +++ b/usr.sbin/bhyve/amd64/vmexit.c @@ -288,6 +288,10 @@ vmexit_svm(struct vmctx *ctx __unused, struct vcpu *vc= pu, struct vm_run *vmrun) EPRINTLN("\texitcode\t%#lx", vme->u.svm.exitcode); EPRINTLN("\texitinfo1\t%#lx", vme->u.svm.exitinfo1); EPRINTLN("\texitinfo2\t%#lx", vme->u.svm.exitinfo2); + if (getenv("_BHYVE_AMD_A8_ENABLE_")) { /* workaround for Lenovo Ide= apad Z575 */ + EPRINTLN("\tignoring\t_BHYVE_AMD_A8_ENABLE_ defined"); + return (VMEXIT_CONTINUE); + } return (VMEXIT_ABORT); } --=20 You are receiving this mail because: You are the assignee for the bug.=