From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=0.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UPPERCASE_50_75 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7BD5C433E1 for ; Tue, 16 Jun 2020 07:14:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 87ACD2074D for ; Tue, 16 Jun 2020 07:14:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="HAp8mr0Y" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726733AbgFPHOx (ORCPT ); Tue, 16 Jun 2020 03:14:53 -0400 Received: from mout.gmx.net ([212.227.15.15]:57977 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726064AbgFPHOv (ORCPT ); Tue, 16 Jun 2020 03:14:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1592291678; bh=EuUBO0VmlPFaxt3vLnX3dhOWmNeNwX7SoxPFN6RUYuA=; h=X-UI-Sender-Class:From:To:Cc:Subject:References:Date:In-Reply-To; b=HAp8mr0YJI1iS0IjVLoARG4pStqtvDWuJS6hnG3SSpw6U3UA/KyrSo22t7HKLJp2N CxjxWx3LMkPxRwk331El8+norZ0/gGtQ2CaNePr6mOZEvyThdILvEQJq6W07BytxC0 IcPDbwZjLoj3JY1fa4iXJukoWUtweYAugnRkIZ/E= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from strobe-jhalfs ([92.73.64.60]) by mail.gmx.com (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MsHs0-1isj3s2LV4-00tjs4; Tue, 16 Jun 2020 09:14:38 +0200 From: Stephen Berman To: Sebastian Andrzej Siewior Cc: Thomas Gleixner , Peter Zijlstra , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org Subject: Re: power-off delay/hang due to commit 6d25be57 (mainline) References: <87y2owwo2o.fsf@rub.de> <20200609202339.cgy57twm2zdtjhje@linutronix.de> <87tuzjcovq.fsf@gmx.net> <20200610102514.4vdzu5u7d6vnpicn@linutronix.de> <87imfyh6yx.fsf@gmx.net> <87wo4dligz.fsf@gmx.net> <20200612110122.jossn5zrktcvpbpm@linutronix.de> <87tuzdrgm5.fsf@gmx.net> <20200614171005.3zy673p6bpwoqnmq@linutronix.de> <874krcsquv.fsf@gmx.net> <20200615145130.bcdidqkp6w23xb6c@linutronix.de> Date: Tue, 16 Jun 2020 09:14:37 +0200 In-Reply-To: <20200615145130.bcdidqkp6w23xb6c@linutronix.de> (Sebastian Andrzej Siewior's message of "Mon, 15 Jun 2020 16:51:30 +0200") Message-ID: <87tuzbh482.fsf@gmx.net> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Provags-ID: V03:K1:ov6gSU6GyFb0newgb6X1LcpeaWyBhJsLfz7JhwYU/WzbUWsGhHH uSqv59iDkkdpQiwfi0hxGmt7Jm+3HtdBRII+k5GoZ0eH7Hv9fBeesI54h8Rd66MjMIYl0aL 0XvCPCCkPvAKxz/n7jg7oWt0HjOtjEP65RE2jjFz6WF8TK6UIuqIET7bFidI4pR+yHrVeaP xY63JaRKCbSgUhSHfTG/A== X-UI-Out-Filterresults: notjunk:1;V03:K0:JtbKXg+tQHE=:cuxWp1wgSoKdAifW05ucVS dYDhQyAunLrzEpGMmSAj+KIawSGZ2h52FlDkotjWCTuwFBic+xu3bm7PlEmay7OyKtHNb+5Z6 e0Pv2/acSDCqHQgxsU1WiU2o4rjN1BWV564RKu1Nef5nz9ac5zk5hVv3CO0+RP+bM1ECJPWI4 4X2DvyBxF+TRNt8Iek2P+HZSXabxwY4N9ZWVNl7REYiHVFyKTLxcPPHq2YFb1H0xL4At/0VAG iZYU4wGpcCadx3829mC0vPNAO1bnsOqYuk2G9HXw0dIGHqxkjoQQnAVY9cyC31RqqsnvQB6W7 /9ebwC2Wqs0Jpu+fLlRP4U0l+qdEj+DbaUo60xYf9gm/W5CoeouM2mvvMumxDwDSdCdZHM2Fs corkiS8f22xkaT4dlsJhsLqsJNo05ULXGvFgdeuIw0dNPEY5D/2EnRpapj3ZJQhMLpmqUZepl OpMk451oTiP42nKGisB6FEPtIHhE59XZn3tEEZEhmyfFhhKmrf0T02HSvIta2ZJ/Uq4n0xwo9 5TE13k5Z2uLhoDkCdR5vZA0lfcjySIbv/Tgd43QvdoBT8AgklEbJC3Kiq4a/YB4nYqtBd8Lrm 2p5xCxH6VqD9O6aT49odUookX7vMbpbK7pAFTjvrP2iZoIYBJYGoLjBthIBFvhRAoT2fFX98F /rPoz46+yHDnttVTdQoA+EN28+Ezm5RUC36M4vAHY1tpIjrlagJF8FWCKOvXvdVSMhdE3YVDZ USKNK7PFsGQGdy+b5dLHzBZK6s7P9PbhqyJUB2WDgq9Z+OUbM7V59KypSyNWC7gIyIsFctqVl ofeQzDyGyHKrikxFdzZ3fv2pYDpCcy2r0dOuYZueFh3NEVqNIQNRr2vcFu+tfvX+IhjTJxnw6 eKQwj6MJMndMerYMSmjwAeqNJYdLn6MWR7AoTDUVXgx4aWnVm8+ZsrHsXkDUG/CH2G1OjRm7O FEqRURr9K4RHM0QqUNs9dZ+eThtLuKutYGOECRl8JsaJHxawiFkdgsctc/GtNrxkGOYncbDSL fgRa12ytikSnXUuyCxc+x+vo0gDXfLhMx3dnmeEf5X0jTluHZaa77NhBl7tc0//wEIqFtVl1+ xgqL257x51axS3EVufBEUmN7vt4DJh7CFLZhZBRgUR/ij8vn+TaIqI245YzqbrmShFa7H00cv twXKSB/AMYDPllyXB7nSPU5Kz/AG70aHmbXv7FycmY8Pdqd+n02x0ZwU/Gb2IOYVHU/CRaKAU gQeOEM3J2oaVJgH0S Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 15 Jun 2020 16:51:30 +0200 Sebastian Andrzej Siewior wrote: > I attached a modified acpi_dbg.patch. Please enable: > - CONFIG_ACPI_DEBUG=y > > Looking at your 5.1 you have tracing enabled (hope it still is). > > The attached patch will dump the date into the tracing buffer, so you > console should remain "clean". Once it records 300 of those "requests > for acpi_ev_notify_dispatch" it will stop recording. > After 4-5 minutes please do > cat /sys/kernel/debug/tracing/trace > file.txt > > compress it and send it. I set CONFIG_ACPI_DEBUG=y, applied the patch and rebuilt 5.6.4, but: $ cat /sys/kernel/debug/tracing/trace > trace.txt cat: /sys/kernel/debug/tracing/trace: No such file or directory Here are all the 5.6.4 config options with "TRACING" or "TRACE"; do I need to set any that aren't set? CONFIG_SYSCTL_EXCEPTION_TRACE=y CONFIG_TRACEPOINTS=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_PM_TRACE=y CONFIG_PM_TRACE_RTC=y CONFIG_HAVE_KPROBES_ON_FTRACE=y CONFIG_HAVE_ARCH_TRACEHOOK=y CONFIG_HAVE_RELIABLE_STACKTRACE=y # CONFIG_MAC80211_MESSAGE_TRACING is not set # CONFIG_DMA_FENCE_TRACE is not set CONFIG_IWLWIFI_DEVICE_TRACING=y # CONFIG_TRACE_SINK is not set # HW tracing support # end of HW tracing support CONFIG_STACKTRACE=y CONFIG_RCU_TRACE=y CONFIG_USER_STACKTRACE_SUPPORT=y CONFIG_NOP_TRACER=y CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y CONFIG_HAVE_DYNAMIC_FTRACE=y CONFIG_HAVE_DYNAMIC_FTRACE_WITH_REGS=y CONFIG_HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS=y CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y CONFIG_HAVE_SYSCALL_TRACEPOINTS=y CONFIG_TRACE_CLOCK=y CONFIG_EVENT_TRACING=y CONFIG_CONTEXT_SWITCH_TRACER=y CONFIG_TRACING=y CONFIG_GENERIC_TRACER=y CONFIG_TRACING_SUPPORT=y CONFIG_FTRACE=y # CONFIG_BOOTTIME_TRACING is not set # CONFIG_FUNCTION_TRACER is not set # CONFIG_STACK_TRACER is not set # CONFIG_IRQSOFF_TRACER is not set # CONFIG_SCHED_TRACER is not set # CONFIG_HWLAT_TRACER is not set # CONFIG_MMIOTRACE is not set # CONFIG_FTRACE_SYSCALLS is not set # CONFIG_TRACER_SNAPSHOT is not set CONFIG_BLK_DEV_IO_TRACE=y # CONFIG_TRACE_EVENT_INJECT is not set # CONFIG_TRACEPOINT_BENCHMARK is not set # CONFIG_TRACE_EVAL_MAP_FILE is not set # CONFIG_FTRACE_STARTUP_TEST is not set CONFIG_TRACE_IRQFLAGS_SUPPORT=y CONFIG_HAVE_MMIOTRACE_SUPPORT=y CONFIG_CC_HAS_SANCOV_TRACE_PC=y # CONFIG_BACKTRACE_SELF_TEST is not set Steve Berman