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[209.132.180.67]) by mx.google.com with ESMTP id f62-v6si42629526plf.288.2018.11.04.19.15.22; Sun, 04 Nov 2018 19:15:49 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@landley-net.20150623.gappssmtp.com header.s=20150623 header.b=zhbG5Koz; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728710AbeKEMcT (ORCPT + 99 others); Mon, 5 Nov 2018 07:32:19 -0500 Received: from mail-it1-f181.google.com ([209.85.166.181]:54236 "EHLO mail-it1-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727094AbeKEMcT (ORCPT ); Mon, 5 Nov 2018 07:32:19 -0500 Received: by mail-it1-f181.google.com with SMTP id r12-v6so7982692ita.3 for ; Sun, 04 Nov 2018 19:14:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=landley-net.20150623.gappssmtp.com; s=20150623; h=to:from:subject:message-id:date:user-agent:mime-version :content-language:content-transfer-encoding; bh=0+GdDQCJP/L91n50efTxaRIYjaTy+bnJbY46S8liEqg=; b=zhbG5KozA+MeB4Anm0ayfu0qyKTTb+6qZhaHnZCkd4x+jxUBomQqrDof526Lw6fanU qNUw8FEwD2AEw4YraQ90bNN13hw0lPQsPewaIs+bLR4b0rYZpW3WLucPO2eEXlvqH4z3 uA1PJy7G1sM/o+GrmfR57xM0xfENJC6+m3DrxW6cA2pqPr7gNJ0UwpnH+NvLxds5+Is4 DXOedj7ajxs/c7ytFwsDt5hzbZh3Nh1wS8HkanXKyZna/6IfomwbYWmufitzFPFXPrZs lmTb9MQxF2V1nKo0QL7rSiLR/hKf+ueMlEmADPx5PR+bpCU3xkZR2FgR6RtxcVVTMaXX iw7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-language:content-transfer-encoding; bh=0+GdDQCJP/L91n50efTxaRIYjaTy+bnJbY46S8liEqg=; b=eNinKveWF90zSGPwm/AYgDkRk3owIKpi8bNUVxl1f0c5eeDo3t/6eeaNZs3+AlE3h0 S3V9/t/MiQXnbFkWTSxx54XasHYSUA9ASVPPOEuNcgT+yGgG8T1ykb44df+bHaWM4DIl cUPll095pUi40QO06pZNlB3S1J/Tv+9m7dV4wQo0R4N15/wYtaFKCF5MkQP7X5plkfS9 jpTBzV0g10iFmdiX0OHw3Omu2cUkjs0qfcRMeelWzzeS/Ae6DrRGgPhHtAhmXxWZi+Uq Jsuhm6lDcnBFcGnHB5ln7sqWnPoSckNUlUDIpfXFLshxRVflQaxsJMIJ0I0/JYgfY4dI k5pA== X-Gm-Message-State: AGRZ1gI35FRu0GqpP38xoJ9jEDL8MuHi2G1zNVS/ISCVg6M1D/A00rky 857aouydcOwUwon3GAbnqfPw8YJTkzk= X-Received: by 2002:a24:1989:: with SMTP id b131-v6mr5668755itb.105.1541387691468; Sun, 04 Nov 2018 19:14:51 -0800 (PST) Received: from [192.168.43.100] ([172.58.142.130]) by smtp.googlemail.com with ESMTPSA id n199-v6sm17687996itn.1.2018.11.04.19.14.50 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 04 Nov 2018 19:14:50 -0800 (PST) To: "linux-kernel@vger.kernel.org" From: Rob Landley Subject: The CONFIG_UNWINDER_ORC bug is back. Message-ID: <52931643-0c44-d571-b538-7d648139c1c9@landley.net> Date: Sun, 4 Nov 2018 21:14:50 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Do "make defconfig" on x86-64, fire up menuconfig and select the frame pointer uwinder (under kernel hacking -> choose unwinder) and: $ make Makefile:966: *** "Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel". Stop. Confirming: $ grep UNWINDER .config # CONFIG_UNWINDER_ORC is not set CONFIG_UNWINDER_FRAME_POINTER=y Rob