Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp1194468pxa; Thu, 20 Aug 2020 05:18:29 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwsFbQl2UGYmOUyD0Fm47zuxGu9b9h/lsGV/t7RCGjAAZpO2N89hqm9v2LpI/erKuYh4RaG X-Received: by 2002:a50:fd0b:: with SMTP id i11mr2561280eds.298.1597925908890; Thu, 20 Aug 2020 05:18:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1597925908; cv=none; d=google.com; s=arc-20160816; b=jqcIY024wkqZ539m57Oo65+W9CMltrNWHGevxC0Tq4+dz8cYioOBo/+xnHAGLqJGQ8 NG4YH7upGDe8RFuG74sV2xXZZSO7vL20fdRHO2sgyIFXlfaYrLgg4kbIYKr4h9/Ex7Uc LexM18p7DWvBy8KZbxhsaDb9+M2YS0twAvK6xVdZIxTf+Yea7dbXdszX9SvdmDz534RP QrvZtfjW8VGGKzHk0khjN6HQ96R+F9bmqpdEoPHaqQA8H0/7muSFthEx0iX8Q7hVUnDn JR0rTPpuEZqwnPF7c5nBAcKxI4S6UnO2hFKuq+LiZ86WQaeHWwx9SdUkhxwdwme/YVT1 4v+Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:organization:autocrypt:from:references:cc:to:subject :dkim-signature; bh=xILkwKXiimBRQG7R/yBOZh2vZwlweNle6iIT8qUHOGk=; b=OBo0Irc5joSODZQvEpRWRLwfwNYt+RRMg43r6kPKpT4gVMQ/i/+uCxkpPw/k/PXT7h 4+XhI+wOelAx9954mkLqsveojt/30xSc9nYAK/4HTnidDZbcX7I+mJGAXni2h2Kpl7df MjAKvLa5DjwXKADWNlTq9RHyJoTP0yLej2byhScK7dqNQA7DNjVoj6I3jhon51sEeB/p bjgSd5LONCNIJeS6f2a1Xi/i9uIHKs/PU9Qn94hptthyGNHn1mElCV9270fQBRxuulzx FYC4byzyjFwjNKgQuSN29CSM8GxF2C66MFZraYC+xWQ9eug6/PyOZcyDX/57hxqH8aAZ gm+g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=MTTUptam; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id t22si1055069ejy.466.2020.08.20.05.18.04; Thu, 20 Aug 2020 05:18:28 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=MTTUptam; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730214AbgHTMPU (ORCPT + 99 others); Thu, 20 Aug 2020 08:15:20 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:39103 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729652AbgHTMOt (ORCPT ); Thu, 20 Aug 2020 08:14:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1597925686; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=xILkwKXiimBRQG7R/yBOZh2vZwlweNle6iIT8qUHOGk=; b=MTTUptamMcQpfhl8I5GMUKrw017mmmELLsEV/+WE4KwV8eiE+r0ghYwhf7a9+oGmukE0M8 uA9Dmj3smL890B+GWolPG9NWNuacIpyWeOy3hWuz+Ps5MVU7DhDLbk/Vv4XwbORbKrtq4W mxuBW9zaiSNuSVJ67bueAThrkgdbyls= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-232-8rgB_toIMCWjnWNOpU1GVw-1; Thu, 20 Aug 2020 08:14:41 -0400 X-MC-Unique: 8rgB_toIMCWjnWNOpU1GVw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A0A18801AAB; Thu, 20 Aug 2020 12:14:40 +0000 (UTC) Received: from [10.36.113.120] (ovpn-113-120.ams2.redhat.com [10.36.113.120]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 241827E306; Thu, 20 Aug 2020 12:14:35 +0000 (UTC) Subject: Re: Kernel build error on BTFIDS vmlinux To: Mark Wielaard , Jiri Olsa Cc: Jesper Dangaard Brouer , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" , sdf@google.com, andriin@fb.com References: <20200818105555.51fc6d62@carbon> <20200818091404.GB177896@krava> <20200818105602.GC177896@krava> <20200818134543.GD177896@krava> <20200818183318.2c3fe4a2@carbon> <0ddf7bc5-be05-cc06-05d7-2778c53d023b@redhat.com> <20200819171820.GG177896@krava> From: Nick Clifton Autocrypt: addr=nickc@redhat.com; prefer-encrypt=mutual; keydata= mQINBFm/2cUBEADkvRqMWfAryJ52T4J/640Av5cam9ojdFih9MjcX7QWFxIzJfTFYq2z+nb4 omdfZosdCJL2zGcn6C0AxpHNvxR9HMDkEyFHKrjDh4xWU+pH4z9azQEqJh331X7UzbZldqQo 16VkuVavgsTJaHcXm+nGIBTcUbl2oiTtHhmuaYxx6JTMcFjC7vyO5mLBw78wt52HBYweJ0Nj HBvvH/JxbAAULSPRUC61K0exlO49VFbFETQNG1hZTKEji95fPbre7PpXQ0ewQShUgttEE/J3 UA4jYaF9lOcZgUzbA27xTV//KomP0D30yr4e4EJEJYYNKa3hofTEHDXeeNgM25tprhBUMdbV RZpf2Keuk2uDVwc+EiOVri48rb1NU+60sOXvoGO6Ks81+mhAGmrBrlgLhAp8K1HPHI4MG4gH nrMqX2rEGUGRPFjC3qqVVlPm8H05PnosNqDLQ1Pf7C0pVgsCx6hKQB7Y1qBui7aoj9zeFaQg pYef+CEERIKEcWwrjaOJwK3pi9HFdxS0NNWYZj8HPzz/AsgTTQdsbulPlVq2SsctmOnL42CZ OCTppGYwl53CG/EqVY+UQBzFzJBaY8TJRFFYVEy5/HH4H11rMoZwqIkk71EOGU3X6mWlANRi kR3M4GhVITRzuaV69Fed+OeXcCmP94ASLfuhBR2uynmcHpBKpwARAQABtDtOaWNrIENsaWZ0 b24gKENoaWVmIEJpbnV0aWxzIE1haW50YWluZXIpIDxuaWNrY0ByZWRoYXQuY29tPokCOAQT AQIAIgUCWb/ZxQIbAwYLCQgHAwIGFQgCCQoLBBYCAwECHgECF4AACgkQE/zvid2ePE9cOxAA 3cX1bdDaTFttTqukdPXLCtD2aNwJos4vB4LYPSgugLkYaHIQH9d1NQPhS0TlUeovnFNESLaV soihv0YmBUCyL4jE52FRoTjE6fUhYkFNqIWN2HYwkVrSap2UUJFquRVoVbPkbSup8P+D8eyd BbdxsY6f+5E8Rtz5ibVnPZTib7CyqnFokJITWjzGdIP0Gn+JWVa6jtHTImWx1MtqiuVRDapU hrIoUIjf98HQn9/N5ylEFYQTw7tzaJNWeGUoGYS8+8n/0sNbuYQUU/zwMVY9wpJcrXaas6yZ XGpF/tua59t9LFCct+07YAUSWyaBXqBW3PKQz7QP+oE8yje91XrhOQam04eJhPIBLO88g6/U rdKaY7evBB8bJ76Zpn1yqsYOXwAxifD0gDcRTQcB2s5MYXYmizn2GoUm1MnCJeAfQCi/YMob R+c8xEEkRU83Tnnw3pmAbRU6OcPihEFuK/+SOMKIuV1QWmjkbAr4g9XeXvaN+TRJ9Hl/k1k/ sj+uOfyGIaFzM/fpaLmFk8vHeej4i2/C6cL4mnahwYBDHAfHO65ZUIBAssdA6AeJ+PGsYeYh qs6zkpaA2b0wT4f9s7BPSqi0Veky8bUYYY7WpjzDcHnj1gEeIU55EhOQ42dnEfv7WrIAXanO P8SjhgqAUkb3R88azZCpEMTHiCE4bFxzOmi5Ag0EWb/ZxQEQALaJE/3u23rTvPLkitaTJFqK kwPVylzkwmKdvd2qeEFk1qys2J3tACTMyYVnYTSXy5EJH2zJyhUfLnhLp8jJZF4oU5QehOaJ PcMmzI/CZS1AmH+jnm6pukdZAowTzJyt4IKSapr+7mxcxX1YQ2XewMnFYpLkAA2dHaChLSU/ EHJXe3+O4DgEURTFMa3SRN/J4GNMBacKXnMSSYylI5DcIOZ/v0IGa5MAXHrP1Hwm1rBmloIc gmzexczBf+IcWgCLThyFPffv+2pfLK1XaS82OzBC7fS01pB/eDOkjQuKy16sKZX6Rt57vud4 0uE5a0lpyItC2P7u7QWL4yT5pMF+oS8bm3YWgEntV380RyZpqgJGZTZLNq2T4ZgfiaueEV4J zOnG2/QRGjOUrNQaYzKy5V127CTnRg4BYF/uLEmizLcI3O3U1+mEz6h48wkAojO1B6AZ8Lm+ JuxOW5ouGcrkTEuIG56GcDwMWS/Pw/vNsDyNmOCjy9eEKWJgmMmLaq59HpfTd8IOeaYyuAQH AsYt/zzKy0giMgjhCQtuc99E4nQE9KZ44DKsnqRabK9s3zYE3PIkCFIEZcUiJXSXWWOIdJ43 j+YyFHU5hqXfECM6rzKGBeBUGTzyWcOX6YwRM4LzQDVJwYG8cVfth+v4/ImcXR43D4WVxxBE AjKag02b+1yfABEBAAGJAh8EGAECAAkFAlm/2cUCGwwACgkQE/zvid2ePE/dqQ/6ApUwgsZz tps0MOdRddjPwz44pWXS5MG45irMQXELGQyxkrafc8lwHeABYstoK8dpopTcJGE3dZGL3JNz 1YWxQ5AV4uyqBn5N8RubcA8NzR6DQP+OGPIwzMketvVC/cbbKDZqf0uTDy3jP65OFhSkTEIy nYv1Mb4JJl3Sq+haUbfWLAV5nboSuHmiZE6Bz2+TjdoVkNwHBfpqxu6MlWka+P98SUcmY8iV hPy9QC1XFOGdFDFf1kYgHW27mFwds35NQhNARgftAVz9FZXruW6tFIIfisjr3rVjD9R8VgL7 l5vMr9ylOFpepnI6+wd2X1566HW7F1Zw1DIrY2NHL7kL5635bHrJY4n7o/n7Elk/Ca/MAqzd IZxz6orfXeImsqZ6ODn4Y47PToS3Tr3bMNN9N6tmOPQZkJGHDBExbhAi/Jp8fpWxMmpVCUl6 c85cOBCR4s8tZsvGYOjR3CvqKrX4bb8GElrhOvAJa6DdmZXc7AyoVMaTvhpq3gJYKmC64oqt 7zwIHwaCxTbP6C6oUp9ENRV7nHnXN3BlvIgCo4QEs6HkDzkmgYlCEOKBiDyVMSkPDZdsspa+ K4GlU2Swi/BDJMjtDxyo+K0M81LXXxOeRfEIfPtZ3ddxBKPva1uSsuz+pbN9d1JY8Ko5T/h1 6susi2ReUyNJEJaSnjO5z13TQ1U= Organization: Red Hat Message-ID: <5a4dfcc7-5f6f-d1bb-42a0-363cb59b6d93@redhat.com> Date: Thu, 20 Aug 2020 13:14:34 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Guys, >> so when I take empty object and compile like: >> >> $ echo 'int main(int argc, char **argv) { return 0; }' | gcc -c -o ex.o -g -gz=zlib -x c - >> $ ld -o ex --compress-debug-sections=zlib ex.o Thanks Mark. I have now created a binutils PR for this bug, and I am looking into a fix: https://sourceware.org/bugzilla/show_bug.cgi?id=26428 Cheers Nick