From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 89419621 for ; Tue, 12 Dec 2023 06:48:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XNCuAnVS" Received: by smtp.kernel.org (Postfix) with ESMTPS id E9952C433C9 for ; Tue, 12 Dec 2023 06:48:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1702363685; bh=h0vOHqwhSOXrgmCgPnbEa6ntLWLsbzJkXgiGys/kNK4=; h=From:To:Subject:Date:From; b=XNCuAnVSiHSlsLxuVmw1Zn393qTCHXgS/Mpf5cTClJsXbovAYF1P92laRxVYO4w5H SLUBrwXwUF/ApPXOmPpTFDbd7rw3Pyb/RAUefUjxLuxVHhnhR4IAsv7eKe/sh9rxNt L+SksTNWtX+MH4eV0Mfpk6+GNfciCzlHNCKDnXkxBySWVK6QU7WSBw2x9jONOlRprF d5M/NKpeltoG4Dl4+5IUqU2n3OV2BYxibkgPdANBt/QB/vKfIUYNBoFg0EGDIGSRUy yjh5/ZNVqqs2XnanjeJvXGzemEqwrXzdxdd4Rd5lCo6uwpYU4E1MsFrwyaOEIWwAar SBpupfVdeKpdA== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id D11B8C53BD1; Tue, 12 Dec 2023 06:48:05 +0000 (UTC) From: bugzilla-daemon@kernel.org To: kvm@vger.kernel.org Subject: [Bug 218257] New: [Nested VM] Failed to boot L2 Windows guest on L1 Windows guest Date: Tue, 12 Dec 2023 06:48:05 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: AssignedTo virtualization_kvm@kernel-bugs.osdl.org X-Bugzilla-Product: Virtualization X-Bugzilla-Component: kvm X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: ruifeng.gao@intel.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: virtualization_kvm@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter cf_regression cf_bisect_commit attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D218257 Bug ID: 218257 Summary: [Nested VM] Failed to boot L2 Windows guest on L1 Windows guest Product: Virtualization Version: unspecified Hardware: Intel OS: Linux Status: NEW Severity: normal Priority: P3 Component: kvm Assignee: virtualization_kvm@kernel-bugs.osdl.org Reporter: ruifeng.gao@intel.com Regression: Yes Bisected a1c288f87de7aff94e87724127eabb6cdb38b120 commit-id: Created attachment 305591 --> https://bugzilla.kernel.org/attachment.cgi?id=3D305591&action=3Dedit Captured failed screen on L2 guest Environment: ------------ CPU Architecture: x86_64 Host OS: CentOS Stream 9 Guest OS L1: Windows 10 Pro (10.0.18362 N/A Build 18362), x64-based PC Guest OS L2: Windows 10 Enterprises (10.0.10240 N/A Build 10240), x64-based= PC kvm.git next branch commit id: e9e60c82fe391d04db55a91c733df4a017c28b2f qemu-kvm commit id:=20 Host Kernel Version: 6.7.0-rc1 Hardware: Sapphire Rapids Bug detailed description: -------------------------- To verify two nested Windows guests scenarios, we used Windows image to cre= ate L1 guest, then failed to boot L2 Windows guest on L1 guest. The error scree= n is captured in attachment.=20 Note: this is suspected to be a KVM Kernel bug by bisect the different comm= its: kvm next + qemu-kvm =3D result a1c288f87de7aff94e87724127eabb6cdb38b120 + d451e32c =3D bad e1a6d5cf10dd93fc27d8c85cd7b3e41f08a816e6 + d451e32c =3D good Reproduce steps: ---------------- 1.create L1 guests: qemu-system-x86_64 -accel kvm -cpu host -smp 8 -drive file=3DL1_VMWARE_L2_WIN10.img,if=3Dnone,id=3Dvirtio-disk0 -device virtio-blk-pci,drive=3Dvirtio-disk0,bootindex=3D0 -m 8192 -monitor pty -dae= monize -vnc :7 -device virtio-net-pci,netdev=3Dnic0,mac=3D00:05:66:34:98:e6 -netdev tap,id=3Dnic0,br=3Dvirbr0,helper=3D/usr/local/libexec/qemu-bridge-helper,vh= ost=3Don 2. create L2 guests: Using VMware Workstation to boot Win10 guest. Current result: ---------------- L2 guest (Windows 10 guest) failed to boot up. Expected result: ---------------- L2 guest (Windows 10 guest) boot up successfully. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=