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 BA1191DBB13 for ; Mon, 6 Oct 2025 08:44:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759740296; cv=none; b=LxT1PmU/TBvF5xg7fBdY4uddVQ35WPfyKwRrT+PBDAZ5WKh2xQ1CD2wNUTOvpcwam6K+YIVEbj5COSkLTeVZ9IcQ1O1HXjZKNafPCSonDvH5gUBts3YAHegqyPhr0+Cfj1aC5TNzEuZp697ruZeELQmdexRPT9Yi8BW4W6v8Pe8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759740296; c=relaxed/simple; bh=3WC8KZTkSIGtfaTknfQZXvrYqr8nh+GdhPBF+a1Ii34=; h=From:To:Subject:Date:Message-ID:Content-Type:MIME-Version; b=IoYhdqlV/B70OmvBZjExpEIohZcQyScZHP/G290Ya+uCUgXQbHhBAbNPmebncEsphGq+Nfe3MLEwaZ3zh+Xftsnghw+PD4MuDmT5POIVe1qt1qH0J0kNwKxbwL8gct7q0FohpcSHMxqU86bZS0VBraZ6MQsEwzSmbdFhW0jR/vY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LrwfvgOZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LrwfvgOZ" Received: by smtp.kernel.org (Postfix) with ESMTPS id 4B0A5C4CEFF for ; Mon, 6 Oct 2025 08:44:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759740296; bh=3WC8KZTkSIGtfaTknfQZXvrYqr8nh+GdhPBF+a1Ii34=; h=From:To:Subject:Date:From; b=LrwfvgOZhNfjA0kiMaJBtlHQOuIidN3aGQKG1pJ02fCN06lSMFPc3V0jQlOzZLMme zgqZyuRsQZ8QsqUv39lYDX8+MjXoOLS8qCo+CW0RWIBAsyc1wW1UVnlTDCVR5z0rAm r5Y9uy0Y2b8vmHHTYr0MapqAE2R4m48YKthi6l50zpHi7N4zvarBqfHabklXCRNzTS TGEp/ZsmnR4H/UHJhY18uAGtkjwCT/AWDuOZ71p1LPK2F+vSka6n8ldQNAPJmodde2 1CQy1izWJ3vn82uQ7PI3TWczMkhRe83kbSk87KqtIw/98D0gNuROoz/Qqm0U4pX4BC F/1hUhjM7C2UQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 3FF2BC53BC5; Mon, 6 Oct 2025 08:44:56 +0000 (UTC) From: bugzilla-daemon@kernel.org To: kvm@vger.kernel.org Subject: [Bug 220631] New: kernel crash in kvm_intel module on Xeon Silver 4314s Date: Mon, 06 Oct 2025 08:44:55 +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: f.gruenbichler@proxmox.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_file_loc bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter cf_regression 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=3D220631 URL: https://bugzilla.proxmox.com/show_bug.cgi?id=3D6767 Bug ID: 220631 Summary: kernel crash in kvm_intel module on Xeon Silver 4314s Product: Virtualization Version: unspecified Hardware: Intel OS: Linux Status: NEW Severity: normal Priority: P3 Component: kvm Assignee: virtualization_kvm@kernel-bugs.osdl.org Reporter: f.gruenbichler@proxmox.com Regression: No Created attachment 308754 --> https://bugzilla.kernel.org/attachment.cgi?id=3D308754&action=3Dedit Qemu commandline one of our users reports a crash in kvm_intel with Windows guests and live migration. the source and target hosts are identical hardware, kernel versi= on and bios version wise: - Supermicro SYS-120C-TN10R servers with Xeon Silver 4314s - microcode : 0xd000404 - 6.14.8-2-pve (based on Ubuntu 6.14.0-26.26 and upstream stable 6.14. - guest OS: Windows 11 24H2 the Qemu commandline and dmesg output is attached, the user is CCed to this bug. unfortunately, we don't have the hardware to reproduce and bisect ourselves. this is likely a regression, since the user reports running into the issue since upgrading to PVE 9, which means switching from kernel 6.8.x to 6.14.x --=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.=