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=-0.7 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 DE73BC4338F for ; Wed, 18 Aug 2021 15:18:50 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9CC726104F for ; Wed, 18 Aug 2021 15:18:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 9CC726104F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:Subject:Message-ID:Date:From: MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=OvKzSdBWcjibYU0CJTrlFuEoyHKFEfZx2ultxckU28o=; b=g1Lu10FQd6svsu v1UHq3uhdYkv6kIMz9kreJdm3NABTtlflsqYaqDsTy7LWkrMURkphrlpLTJYGmcPgvOdpthXC7cJs JV7NjSaXCqMW3lnZm7zMO2eKViY4109UVvzGNkszHQu3xTCSKfQVSKy9WV2YbquQIoQGGaN2PeM+I UHpiEQ5JzzbOSzAEnfvIZdG7KGwRhQwwqcm/olUGzDcDJwiZOF5xc6HwYV7S/6d6x+cHKN0bg9kMU 7UZGJ2zEObl4S+xtBvkw/OS0bS0aiPCFLJl4VzYqkuH+zebR2Oy1HjxuWxv5ZT28asb+S78MTGW7R WNKySjeSC0wzKNWvj/4A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mGNL0-0061i9-Vu; Wed, 18 Aug 2021 15:18:43 +0000 Received: from mail-lj1-x232.google.com ([2a00:1450:4864:20::232]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mGNKx-0061gL-OE for ath10k@lists.infradead.org; Wed, 18 Aug 2021 15:18:41 +0000 Received: by mail-lj1-x232.google.com with SMTP id i28so5764969ljm.7 for ; Wed, 18 Aug 2021 08:18:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc; bh=mRJIXAZWfL3FHk/FIINd4bbx35hByjZA0KaRevosRfk=; b=eLPedI1TaO6lrr0/OxYeOEllEz6gS2MvqQFLZ5nZ/YffS8RyCQsWyoN4xq3bLOnnkN abITjWOHAuGBM9ZJgU83WDOgwULIlFbdS5LWReu4l5+exxRoDh2Ve9cFWZ5CXx3YC2V7 2rl/rwv7fzgg/Aj/QVLoeFXw7lHkcdmEmw3UffZeNUbYgpJJGNrOd8ukid7AehPEarn9 /PGrnFmKwCH8GfVWFy1Z72Q5sAi05scR//UjOC+qcZMKfsb1fOlnlXybKb61Pgslpdni sH9G+FI/Bx8dTqApuHBUgaXwa4MGZXdXECLmAeM64i9s+sMyTEEoE0ppdpJ6i0OGHSWa ZZrg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=mRJIXAZWfL3FHk/FIINd4bbx35hByjZA0KaRevosRfk=; b=Uy1IJA/O9COjsM+Xn+2/JFWv3inxx3mUrL+3xk5rn53uTP0UEmd+Vh61g9BzJNlHsp 8Nl4doj05/rwKpMbt1trDUE9B566d3a6FN+uwNZYnmOsIMX6z+5cme2VfnHGnJPIwPg8 xkAu6NHar7gN1EjDAfnITWaHJdOYiIR5Z2zp142UmeQ9Ydx95WzVH/cEqpiktxZSwqEr uTEIp3iYHtHCLKRuETRpw53n0bpZf8XhE5o/HTKniUF0Rh/oqXDesd6Il9GVFgt06UP8 DgrjDQLqYqd4iH7noZxh2AnD1neGuitupdnyBBsUBfTx5m/m5/MvN7O6bXwLhlTspZJl z7Jg== X-Gm-Message-State: AOAM531l1Xkf9VkS3H09XLQswLaNwzSksB0v7F0mm9w4xkbeA0h99LK8 goerU1/frwWzqfzaZLm2nx12zgkNMD59Uoc2zgA= X-Google-Smtp-Source: ABdhPJy2JugOHeh0mqxJKc73oO/kUEm5cXSbJPfFROIr/YPUOoPlOREjOGD5MhNYs+deACxX18hp4u4zVxkgANuKWJ8= X-Received: by 2002:a2e:9881:: with SMTP id b1mr8366154ljj.53.1629299916138; Wed, 18 Aug 2021 08:18:36 -0700 (PDT) MIME-Version: 1.0 From: Fabio Estevam Date: Wed, 18 Aug 2021 12:18:25 -0300 Message-ID: Subject: NOHZ tick-stop error with ath10k SDIO To: Kalle Valo , "Paul E . McKenney" Cc: ath10k@lists.infradead.org, linux-mmc , Ulf Hansson , Marek Vasut X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210818_081839_831916_D5AE05A5 X-CRM114-Status: UNSURE ( 6.76 ) X-CRM114-Notice: Please train this message. X-BeenThere: ath10k@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "ath10k" Errors-To: ath10k-bounces+ath10k=archiver.kernel.org@lists.infradead.org Hi, When launching the hostapd application on a i.MX7 based board with an ath10k device connected via SDIO, the following "NOHZ tick-stop error" messages are seen: # hostapd /etc/wifi.conf Configuration file: /etc/wifi.conf wlan0: interface state UNINITIALIZED->COUNTRY_UPDATE [ 63.021149] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! Using interface wlan0 with hwaddr 00:1f:7b:31:04:a0 and ssid "thessid" [ 67.332470] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready wlan0: interface state COUNTRY_UPDATE->ENABLED wlan0: AP-ENABLED [ 68.025845] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 69.025973] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 69.607432] cfg80211: failed to load regulatory.db [ 72.026748] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 73.027039] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 74.027159] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 75.027109] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 76.027461] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 77.027391] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 78.027560] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! This happens on all kernel versions from 5.10 to 5.13. Any ideas on how to fix this problem? Thanks, Fabio Estevam _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k