From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fhigh5-smtp.messagingengine.com (fhigh5-smtp.messagingengine.com [103.168.172.156]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EFDAC8BE7 for ; Sat, 30 Mar 2024 06:22:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=103.168.172.156 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711779734; cv=none; b=orN1LzHFlqRMP4jvHtaMQApvq84tDc0HBlFV8LmsdiBwMvzA2JSjzkA8I5kgbuKlSJ1vX98KnGQ6DH92en4wqVRLs4gk7Bg6HpS7+SKwcc2Ue9S+ezdIOYKwoInUgJ0YWA319krFZ60n8unNXRoJ22/ulJD38xvDcNkOc2EZ9OI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711779734; c=relaxed/simple; bh=zBaHCdy3RS8uAPr5C0Q1ZncEYAvkAbRnIih89bRmEsg=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=ODaIY0sOsUls1hnuj3vTTCcd5vDAQrZGzTtLy4bVHdINq+7e7Si/YUjybNgK2nKFWjZ5Q/8nHrPGb6FOoxPFluc8Lfy81yIka8drMm0CprXgMDWaCA351mtimT8YUlqeCwpJnXf4oK99ON3C6PQCKtiuLFh4l3QtQlazAasAmhk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org; spf=none smtp.mailfrom=linux-m68k.org; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b=rd152zHl; arc=none smtp.client-ip=103.168.172.156 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux-m68k.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="rd152zHl" Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailfhigh.nyi.internal (Postfix) with ESMTP id 6C68B11400CD; Sat, 30 Mar 2024 02:22:10 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute2.internal (MEProxy); Sat, 30 Mar 2024 02:22:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:subject:subject:to :to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; t=1711779730; x=1711866130; bh=aPq/GfWKPG0ZtDw+BaIj3LlHp71v XhRPkMgk9KWhMfc=; b=rd152zHlJ2c98X1HUKcd7h3riv68Jv6gqUtKrGXWFEsg CiH0rzG8Fi8Rwtm45leOUT+56VTVr+LIfTLlS8BTEEVdPabd7sCFEVeGrkEaBniL Ew8GYVuimEJf11yppj6ks4kdwUDdzeeRuACIPq5IKnTLfaUYq9V4Yhq6xXWrF0Jd lGoE8Bzl0Iog3XYhoZJbA0MC27XdAyELNdSbsrA/CWMZOpM5hDdx4EaTo+2I0IqA ud+jCfL8+K774QHE3+mVOgFAhH82kRm8govmUts+/n97prwtrEBanV9/nSWgoWuN oHfh9aHcxVm8+D59/tYzr9s+TsGY80XxQUDo2Z8aWQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvledruddvfedgleehucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvfevufgjkfhfgggtsehttdertddttddvnecuhfhrohhmpefhihhnnhcu vfhhrghinhcuoehfthhhrghinheslhhinhhugidqmheikehkrdhorhhgqeenucggtffrrg htthgvrhhnpeelueehleehkefgueevtdevteejkefhffekfeffffdtgfejveekgeefvdeu heeuleenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpe hfthhhrghinheslhhinhhugidqmheikehkrdhorhhg X-ME-Proxy: Feedback-ID: i58a146ae:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sat, 30 Mar 2024 02:22:08 -0400 (EDT) Date: Sat, 30 Mar 2024 17:23:38 +1100 (AEDT) From: Finn Thain To: Michael Schmitz cc: Geert Uytterhoeven , linux-m68k@lists.linux-m68k.org Subject: Re: Spinlock debug, was Re: [PATCH RFC] m68k: skip kernel premption if interrupts were disabled In-Reply-To: Message-ID: <181ac173-38c9-a502-84d5-4cc1d3ed6335@linux-m68k.org> References: <20240322014805.30606-1-schmitzmic@gmail.com> <948c12e4-e85f-a86c-ae95-a1eb03ca026d@gmail.com> <40928e38-0de7-75a6-d5f7-8c913155da03@linux-m68k.org> <5e344842-0b19-1f83-dc77-51210a8880c7@gmail.com> <1b9ae156-9dac-b11f-5ddb-fb5878b3c9a9@gmail.com> <597ab0b3-ac1d-443c-95f7-4f1bbcccae1f@gmail.com> <546b3960-7a1d-4989-82ee-2d7d56a9d609@gmail.com> <570d4e69-e73c-4d35-8538-b5530c714c55@gmail.com> <14f7ba29-dc96-1f46-5b5e-aa6c5bb3de3b@linux-m68k.org> <3dee11c5-d0dd-b61e-c7e7-bd12841618ba@gmail.com> <7aee9fd9-1c0e-4874-bb86-e512a7c0caa6@gmail.com> <63db5f0b-2a7d-a057-2cfb-fefddc15bc3f@gmail.com> Precedence: bulk X-Mailing-List: linux-m68k@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII On Sat, 30 Mar 2024, Michael Schmitz wrote: > > The MFP timer C is not reentered in 66 boots even though I've seen it > appear in the stack trace of 8 recursion warnings. > The spinlock recursion warning gives the address of the spinlock. Did you figure out which spinlock it is? Also, did you capture all 8 backtraces?