Received: by 10.223.176.5 with SMTP id f5csp761683wra; Tue, 6 Feb 2018 07:00:54 -0800 (PST) X-Google-Smtp-Source: AH8x2245Qwq59a7i3PmwI0ybE6SXSlMO+7AtK8jNMDhtvRBFvd5MNdzEAtjKff5H+6sGSYLn9EMu X-Received: by 10.101.74.68 with SMTP id a4mr2169151pgu.176.1517929254643; Tue, 06 Feb 2018 07:00:54 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1517929254; cv=pass; d=google.com; s=arc-20160816; b=fMgtiP6JI9H3XCIALrFXl14geA2cypAfMN+KTjUODWET2oHdm3gLLSDaGwt6/m6zwT XOquedKudPLS2hTLjiE+J/7i+gDi2U++JTb0AYOgb98sI9k3Y9QvMee7B2PDWv/5ybgt cjyqsaDQ21B8BuZDVtOJtpxYfTytbN7mkO3x3PFcHJDyua7gRmY0P+SVcUYNG5I6hnx7 nBI3W7/KyXDkC+EKXXPuaooEhrPNtSq4CZe42ThF0/cs627gcW8a0f7AEV9ebgIvjONO D8jPdgc0XJ0tBc4/vMcxG+VilxoKL1RYrBXyBSGH9fm9bUYqAVNsszj5KZrp8sLwoTDH 7Tdw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:dkim-signature:arc-authentication-results :arc-message-signature:user-agent:message-id:references:in-reply-to :subject:cc:to:from:date:content-transfer-encoding:mime-version :dmarc-filter:arc-authentication-results; bh=Vnq81rpuLDFqnWEmAVpVxjauvZTlvhz6R52Sn5Tz9yw=; b=c9mP9lDMM0d3ppbmi0+eJ6v/hrG3Uh8d/MkwNC4DBDwkZwaBK67UaXKB6Xjkx4a4+S zZZddcnDSFYD1C1+eRIVP5HcaTH7Eyf9EyPvWU1hSvlB/lokYNYVrUK7RklUJ2dV6mqR +HBp+foFBJfTdWasM6/GMYkAAtp1ibD53R29iY7oem9XC72Md3T7Qfjh0T0sam20mRsY VAmrOGbBAQJAPgnYSQ2/lVIMjC4cMq1HG39wec3B82YErke6aouhzCbRZuTgOUoRsOJM MO6qqweyvk7R7e9xsipahAZEhS9wq3vM1DG8PORcRZcoDGohrWnYaiBmE3xB5yO2vyIz 9HfQ== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@natalenko.name header.s=dkim-20170712 header.b=QAVbhVwd; arc=pass (i=1); 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=natalenko.name Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id w3-v6si1645910plp.625.2018.02.06.07.00.39; Tue, 06 Feb 2018 07:00:54 -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=@natalenko.name header.s=dkim-20170712 header.b=QAVbhVwd; arc=pass (i=1); 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=natalenko.name Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752375AbeBFO7w (ORCPT + 99 others); Tue, 6 Feb 2018 09:59:52 -0500 Received: from vulcan.natalenko.name ([104.207.131.136]:14194 "EHLO vulcan.natalenko.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752010AbeBFO7o (ORCPT ); Tue, 6 Feb 2018 09:59:44 -0500 Received: from mail.natalenko.name (vulcan.natalenko.name [IPv6:2001:19f0:6c00:8846:5400:ff:fe0c:dfa0]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by vulcan.natalenko.name (Postfix) with ESMTPSA id 6FDAE2E5CF8; Tue, 6 Feb 2018 15:59:42 +0100 (CET) DMARC-Filter: OpenDMARC Filter v1.3.2 vulcan.natalenko.name 6FDAE2E5CF8 Authentication-Results: vulcan.natalenko.name; dmarc=fail (p=none dis=none) header.from=natalenko.name MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Tue, 06 Feb 2018 15:59:42 +0100 From: Oleksandr Natalenko To: Paolo Valente Cc: Mike Galbraith , Jens Axboe , linux-block , Linux Kernel Mailing List , Ulf Hansson , Mark Brown , Linus Walleij , 'Paolo Valente' via bfq-iosched , Alban Browaeys , ming.lei@redhat.com, ivan@ludios.org, 169364@studenti.unimore.it, Serena Ziviani Subject: Re: [PATCH BUGFIX 1/1] block, bfq: add requeue-request hook In-Reply-To: References: <20180205190510.5499-1-paolo.valente@linaro.org> <20180205190510.5499-2-paolo.valente@linaro.org> <1517903761.9843.12.camel@gmx.de> <899B68CC-5955-4418-8BFF-DC55A743A61B@linaro.org> <1517918234.25841.31.camel@gmx.de> <77124223e6116350a5184a5199850304@natalenko.name> <1517924768.25841.32.camel@gmx.de> <8842084cc8a26b7f46ae600bda8a7bd0@natalenko.name> Message-ID: <7eff03cac387051a63aa68df99e49f3a@natalenko.name> X-Sender: oleksandr@natalenko.name User-Agent: Roundcube Webmail/1.3.3 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=natalenko.name; s=arc-20170712; t=1517929183; h=from:subject:date:message-id:to:cc:mime-version:content-type:content-transfer-encoding:in-reply-to:references; bh=Vnq81rpuLDFqnWEmAVpVxjauvZTlvhz6R52Sn5Tz9yw=; b=ub282zcRcMiyh78UdkH5xSZIpSaID+VNPcO0tdRQsI/Cgc9D0pEXzbcDtCX05unMnmF5yv 4G9dYc8BKcEioahjuaHuPsuMmVUAMY/KvY/n6g2B2aJpJQXfy65HXAyq0xrUytUgR4tTHh 0IQ+aETzOCgznk6D8kJZWNBDsWqZHhw= ARC-Seal: i=1; s=arc-20170712; d=natalenko.name; t=1517929183; a=rsa-sha256; cv=none; b=iNzTzwQ7EBZ63mpLiNxYeN1A1G4vHhz6gwKsmdfaWJTfVPYCwdOvQsUq7l9DPYQ8wwVLsWWoERLDW+X/sUAUPGk2iuGtSH1HyAguJu6IFHYWeaxmWpdiYhhlfwQnEC6OrQHbzVUZbU5Z5dYSlSIIro9AX++HUDMqKHiFVNEM+uY= ARC-Authentication-Results: i=1; auth=pass smtp.auth=oleksandr@natalenko.name smtp.mailfrom=oleksandr@natalenko.name DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=natalenko.name; s=dkim-20170712; t=1517929183; h=from:subject:date:message-id:to:cc:mime-version:content-type:content-transfer-encoding:in-reply-to:references; bh=Vnq81rpuLDFqnWEmAVpVxjauvZTlvhz6R52Sn5Tz9yw=; b=QAVbhVwdM8dD4Hqg9Cc2mBwhO0aHR1RwpdahdrM860yM0aAZJAbaDczjEB0FWb5/0q1BR9 8flufHld+ENOqx6/sOCrS0re5eaaIc1mbWmzgNRk0DDM9BFC/L33E8WZJoNGXkbqWZeN7Q 9tYyvDwCSyMwDv1ux2X7FESFnsFj4LQ= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 06.02.2018 15:50, Paolo Valente wrote: > Could you please do a > gdb /block/bfq-iosched.o # or vmlinux.o if bfq is builtin > list *(bfq_finish_requeue_request+0x54) > list *(bfq_put_queue+0x10b) > for me? Yes. Just give me some time to recompile the kernel with minimal debug info enabled. I'll post then list/disasm and new stacktraces.