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[2620:137:e000::1:20]) by mx.google.com with ESMTP id 10-20020a63104a000000b003fc1bb74001si2046669pgq.54.2022.07.14.10.21.32; Thu, 14 Jul 2022 10:21:47 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=e3T62TZn; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232292AbiGNQlm (ORCPT + 99 others); Thu, 14 Jul 2022 12:41:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36888 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229608AbiGNQll (ORCPT ); Thu, 14 Jul 2022 12:41:41 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0FAF748CBE for ; Thu, 14 Jul 2022 09:41:41 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id B905AB82734 for ; Thu, 14 Jul 2022 16:41:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E9D3C34114; Thu, 14 Jul 2022 16:41:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1657816898; bh=Ez1awhKzLVtAuOTytWhakc6zoS8fxrGEoZ1hsWNyC2E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=e3T62TZnHKg4pyKKL2mnhBoRVveFa1Uwtq6FUYUNJUrX/TC47hA9e8VZ/mVb+iqkv RZf92+lzTZOx+8zYUagKXy4Mlxl33JWVbHuWQYGxzFyMoAh7o/vWKEHpz4btz7HOez OQ7uwQW6X2Ueh+MLKp/rz+JrFFbp1Ri4nlafyqvXrBSkPg58GszKrQGM90886hPbvI eG42KQQoEFiulG+ko516FU8vrOuu+C+n+EWnde9AC7djfCfxsqZAgwqlYRlbGEVJhK dGm8I94oUwIBdLjdI6eo6e1XDK7x8dpzO6iWkk0AbpNh/4w684PWUdliSpnsc7nGpp nUH66ZGAwC+Wg== Date: Thu, 14 Jul 2022 09:41:36 -0700 From: Josh Poimboeuf To: John Garry Cc: keescook@chromium.org, Linux Kernel Mailing List Subject: Re: faddr2line issue Message-ID: <20220714164136.n2ycc5axt7vtctgs@treble> References: <09df26a9-27af-1276-34c6-820bf7e27da8@huawei.com> <3492d341-a681-f344-f5cd-5b1ea3725f31@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <3492d341-a681-f344-f5cd-5b1ea3725f31@huawei.com> X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 14, 2022 at 10:57:51AM +0100, John Garry wrote: > On 08/07/2022 15:47, John Garry wrote: > > + > > JFYI, This issue is caused by CONFIG_DEBUG_INFO now being default off in my > .config from commit f9b3cd245784 ("Kconfig.debug: make DEBUG_INFO selectable > from a choice"). > > By enabling that config faddr2line now looks ok again. > > BTW, Could we add a check for any kernel dependency in this tool? Hi John, The script doesn't know how to reliably find the .config file, but it should be able to check for missing DWARF in the binary itself. -- Josh