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 59CF0291E for ; Thu, 27 Jun 2024 03:41:08 +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=1719459668; cv=none; b=UowSqECQngDOQjfxH+Hb0pOuuyVYXeUewq0qqKk6pOhUmX8bEMrs4SA5+hmSo0a6NwJ+9rHN2U2V1oEKfQk0b8o9xITWIVatyKs4aPKYgpNJqJUfExzIxysK2FyL7R23luCbHDVF1QDibBTwUTBIhXEb1Na3CUnLtJvnvC6SnOk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719459668; c=relaxed/simple; bh=D9P1QYc/B2P3PVhld9XPAgCLi9YLKRmEcTqIV24sUTA=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=fKdHXLcdKbYIVsv2VEdtHfY6sp1Htg986cQB+wZoX5gp5HZ/LTtlRxX7zRemNOX5rFFHQSjZJ5vsImikUG3Pr0uHKT/9/pXjQt3KKGkkQaRj85Ns7n2a9puy3/27fmvo8AOrpSlgb5Huhht48eUn+ikSN3imXdRuDSaObpEO1YE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MWA0mdYJ; 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="MWA0mdYJ" Received: by smtp.kernel.org (Postfix) with ESMTPS id D108CC4AF07 for ; Thu, 27 Jun 2024 03:41:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719459667; bh=D9P1QYc/B2P3PVhld9XPAgCLi9YLKRmEcTqIV24sUTA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=MWA0mdYJxv50URDQgyBmhr//QpG1moRQ/wonxcg5LAn1RdjB+vtXdCWOR5tDpuUmR 6Dwd3uBAscto21dEtoAIJ9p8PIVK1m23QqtnZk+0vbCrODc/j0Yay1L+0JM5opo3B3 6gyqTvTPdF+uS8rp5RuNpRHBxStkvZPsm2mSS9ZvuKkoRGI4fdpbph0Rlwwelj9Bg9 +cMmvgziVThPD0LHz+BnIwRh44nlRg22MDOzGgIWVnXWkvNkG/EmAzsIqE4t/6kNGE VUeODM81I3v6S21CTboEjulh6L7xfOdsOhjQmnf7yGGvPNCXSkHF6s+gbfzLiHazIL GAg0TBOOTB7CQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id B1F76C53BB8; Thu, 27 Jun 2024 03:41:07 +0000 (UTC) From: bugzilla-daemon@kernel.org To: kvm@vger.kernel.org Subject: [Bug 218980] [VM boot] Guest Kernel hit BUG: kernel NULL pointer dereference, address: 0000000000000010 and WARNING: CPU: 0 PID: 218 at arch/x86/kernel/fpu/core.c:57 x86_task_fpu+0x17/0x20 Date: Thu, 27 Jun 2024 03:41:07 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed 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: hongyu.ning@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: Message-ID: In-Reply-To: References: 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=3D218980 --- Comment #4 from hongyuni (hongyu.ning@intel.com) --- Quick update: issue won't be reproduced if disable kconfig option CONFIG_X86_DEBUG_FPU, hopefully it could narrow down the regression issue to CONFIG_X86_DEBUG_FPU related code. --=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.=