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=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 8472BC4338F for ; Sat, 21 Aug 2021 04:20:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 570AC611C4 for ; Sat, 21 Aug 2021 04:20:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229786AbhHUEU4 (ORCPT ); Sat, 21 Aug 2021 00:20:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53588 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229498AbhHUEUv (ORCPT ); Sat, 21 Aug 2021 00:20:51 -0400 Received: from mail-ot1-x32f.google.com (mail-ot1-x32f.google.com [IPv6:2607:f8b0:4864:20::32f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B1BC5C061575 for ; Fri, 20 Aug 2021 21:20:12 -0700 (PDT) Received: by mail-ot1-x32f.google.com with SMTP id 61-20020a9d0d430000b02903eabfc221a9so19283318oti.0 for ; Fri, 20 Aug 2021 21:20:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=Icf1MBd4snHe5QRmv1SFshi7/JHm/cRBUefwcbOfgnU=; b=MdLBl7WYmiKNTHgFJYx6rxhxH/svxsgIPbE1mu2MFbjALknU+NxtwC2UrJBPRRBOGL YjlmbcSmNCZ4C7er9X25h2NTeDyY8kYevaOu6iUTKFKzOyhwFR4Cd0dvr2ZBqRuAM3Ou 2k4zkwHmspSNdQt8/L9kqNJyBMulZZDaekK2xqMjodAJm9Bshpxjos1sqSytHC+edzPU yw65WacR7gFsDl0sleJfWFckEskriPTfqBOBxCiJriiGj8DxTvDo9gg2XJ++mdpzilGk b+7Jrf+fYiaVqLH9q1/jYVyQfkdTdRFldOJ2e7BUTr8Mb8273Edf3y7TV5plNGXiykgm V6lQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition :content-transfer-encoding:in-reply-to; bh=Icf1MBd4snHe5QRmv1SFshi7/JHm/cRBUefwcbOfgnU=; b=CI4/3CKzP25fNXpGuUf5V15EqaLRA+hEKo3+qs9Att2tlWWaGOrq+uYSnJ5SoTSthf czk4k6pNFEjiroW9MYANZ1CW87Vy5/6sLcPMxqh11pP6P/zcgWCaJuJoH5jJNf1+XtL6 4DQRLOTb1R2uuNtAJAazRhlh2xNwoJEqtPOgHJHrBWEEan58BV8c+KC/ebRtQ0gfcRJL Qu4KqcN/OOcE8zglLOUFsZdRk60FZmkv3Sv8BOb4mx8kMe3yNg2emEVfnEkIrZnRohJ5 LubiIzJKFeedBP5SfvluZ5prr1/V+9G7GehyUoosfUoT2Rd31+qsnrMzhMGX/gx/QoYb U3lQ== X-Gm-Message-State: AOAM532kQ+2N84SRDEHsAnPS29v+set3u2WureannkxrfOw5XOyDePPD /YwwMQpWP3uV5qqEU+bicvGX0vCrBzk= X-Google-Smtp-Source: ABdhPJylDMhHP44cUKC+v1UFlZqI0uw7dmPGk6ZsF0J6QthLVgsQ5XWgz7OiEVTgOE8en1BABmF1/Q== X-Received: by 2002:a05:6808:1494:: with SMTP id e20mr5077571oiw.122.1629519612041; Fri, 20 Aug 2021 21:20:12 -0700 (PDT) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id n4sm1785825ooe.10.2021.08.20.21.20.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Aug 2021 21:20:11 -0700 (PDT) Sender: Guenter Roeck Date: Fri, 20 Aug 2021 21:20:10 -0700 From: Guenter Roeck To: Linus Walleij Cc: Daniel Lezcano , Thomas Gleixner , linux-kernel@vger.kernel.org, =?iso-8859-1?Q?C=E9dric?= Le Goater , Joel Stanley Subject: Re: [PATCH 2/2] clocksource/drivers/fttmr010: Be stricter on IRQs Message-ID: <20210821042010.GA1759866@roeck-us.net> References: <20210724224424.2085404-1-linus.walleij@linaro.org> <20210724224424.2085404-2-linus.walleij@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20210724224424.2085404-2-linus.walleij@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Sun, Jul 25, 2021 at 12:44:24AM +0200, Linus Walleij wrote: > Make sure we check that the right interrupt occurred before > calling the event handler for timer 1. Report spurious IRQs > as IRQ_NONE. > > Cc: Cédric Le Goater > Cc: Joel Stanley > Signed-off-by: Linus Walleij This patch results in boot stalls with several qemu aspeed emulations (quanta-q71l-bmc, palmetto-bmc, witherspoon-bmc, ast2500-evb, romulus-bmc, g220a-bmc). Reverting this patch together with "clocksource/drivers/fttmr010: Clear also overflow bit on AST2600" fixes the problem. Bisect log is attached. Guenter --- # bad: [86ed57fd8c93fdfaabb4f58e78455180fa7d8a84] Add linux-next specific files for 20210820 # good: [7c60610d476766e128cc4284bb6349732cbd6606] Linux 5.14-rc6 git bisect start 'HEAD' 'v5.14-rc6' # good: [2b14a6beaaddc78bd4c7aeb0d94ef4d1ba708b7b] Merge remote-tracking branch 'crypto/master' git bisect good 2b14a6beaaddc78bd4c7aeb0d94ef4d1ba708b7b # good: [ecbc858174455ac847fb308ececc33ad408d2b3c] Merge remote-tracking branch 'tip/auto-latest' git bisect good ecbc858174455ac847fb308ececc33ad408d2b3c # bad: [7a307d6053886b8c05f897b4386365d0f556c2e9] Merge remote-tracking branch 'staging/staging-next' git bisect bad 7a307d6053886b8c05f897b4386365d0f556c2e9 # bad: [b97ca8377c80f00f51767c249310ee37db949df4] Merge remote-tracking branch 'tty/tty-next' git bisect bad b97ca8377c80f00f51767c249310ee37db949df4 # bad: [e83fe57c15b3a06707266e28590ee805920be987] Merge remote-tracking branch 'kvm/next' git bisect bad e83fe57c15b3a06707266e28590ee805920be987 # good: [213605c149ff869a7206db53eefbee14fd22a78d] kcsan: selftest: Cleanup and add missing __init git bisect good 213605c149ff869a7206db53eefbee14fd22a78d # good: [049e1cd8365ea416016e21eb2c7d9ca553fc1dc7] KVM: x86: don't disable APICv memslot when inhibited git bisect good 049e1cd8365ea416016e21eb2c7d9ca553fc1dc7 # bad: [c01ef7a90edfa8be6dc8aaa9e0bfdfe0eb7ea083] Merge remote-tracking branch 'irqchip/irq/irqchip-next' git bisect bad c01ef7a90edfa8be6dc8aaa9e0bfdfe0eb7ea083 # good: [4513fb87e1402ad815912ec7f027eb17149f44ee] Merge branch irq/misc-5.15 into irq/irqchip-next git bisect good 4513fb87e1402ad815912ec7f027eb17149f44ee # bad: [dcc5fdc6b0f491a612ca372ad18d098103103bdb] Merge remote-tracking branch 'edac/edac-for-next' git bisect bad dcc5fdc6b0f491a612ca372ad18d098103103bdb # bad: [8903227aa72ce8c013e47b027be8e153e114bf19] clocksource/drivers/fttmr010: Be stricter on IRQs git bisect bad 8903227aa72ce8c013e47b027be8e153e114bf19 # good: [be83c3b6e7b8ff22f72827a613bf6f3aa5afadbb] clocksource/drivers/sh_cmt: Fix wrong setting if don't request IRQ for clock source channel git bisect good be83c3b6e7b8ff22f72827a613bf6f3aa5afadbb # good: [ce9570657d45d6387a68d7f419fe70d085200a2f] clocksource/drivers/mediatek: Optimize systimer irq clear flow on shutdown git bisect good ce9570657d45d6387a68d7f419fe70d085200a2f # good: [3a95de59730eb9ac8dd6a367018f5653a873ecaa] clocksource/drivers/fttmr010: Pass around less pointers git bisect good 3a95de59730eb9ac8dd6a367018f5653a873ecaa # first bad commit: [8903227aa72ce8c013e47b027be8e153e114bf19] clocksource/drivers/fttmr010: Be stricter on IRQs