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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 74A2FC433F5 for ; Sat, 1 Jan 2022 22:13:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230470AbiAAWN1 (ORCPT ); Sat, 1 Jan 2022 17:13:27 -0500 Received: from outbound5e.eu.mailhop.org ([52.28.168.19]:57309 "EHLO outbound5e.eu.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230239AbiAAWN1 (ORCPT ); Sat, 1 Jan 2022 17:13:27 -0500 ARC-Seal: i=1; a=rsa-sha256; t=1641075141; cv=none; d=outbound.mailhop.org; s=arc-outbound20181012; b=Lij9FgdYeo3paQWQTFLtoDsBmQtUnQRR+7K3hQpVhyRKO+nG08why1R8VCNlCovzPNnSlcYIs/1fQ JBtr6dIW+Fzjp94YwhiQ1OTJdUJbr+vzmMADQQQAssDcjePeGghijN0q1ABOjvIVuf3LGlC8V+iBrI fLfcani2Rl6p8iKTyntub2G4pOhRSBIu/77pUQ2yMKThg0fg5TLpqGHzP97z4R/o3nOqcy3HRGKXL0 3EQf3wkAKUwAjEeyjQuO84V9jXMYV8OENpEr7WtnhNjRgiWtwPyrx05JgzraSTRPa7QOi0ZDHOLrcU mA0fX4DLK6l34NvkW2u4KkubqZEMU2w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=outbound.mailhop.org; s=arc-outbound20181012; h=content-type:mime-version:message-id:in-reply-to:date:references:subject:cc: to:from:dkim-signature:dkim-signature:from; bh=sSyYzJxyAzC1HqDqlHds4g9nc/Y594G5RBU9LPvWM4w=; b=dunM+bYqTMkbWqLoUOnBif6ahdfDZ1w596Ep6yciW1b3w4+ZvIR0Bl+vSg3vTE+cjVVbcro+7rPsP ibsO+rqZGpE/fVEIq3m5mEQLlYXlBWAGJp+7oQFFxOqQA0aqVavHgoHs2MQt7Pojq3c1dimEq/I6j8 Kzdt1HHsZDTpwjoX1mdgPAGfWsFZYl0ufD+3ICGvJAMRja8A8tVjSocdQI+ezDVoIdIAWPBzaLZTYr kpXp5VVpD8+JaxMLS4OipWhmbwjuFaXx2zjg9E6i9Gz/lKnHcksTECRjSGKPl38LQxaOto/x2LqnxW rweUzTXRbODgSSL+V/sY8fD+7qSgWvQ== ARC-Authentication-Results: i=1; outbound2.eu.mailhop.org; spf=pass smtp.mailfrom=stackframe.org smtp.remote-ip=91.207.61.48; dmarc=none header.from=stackframe.org; arc=none header.oldest-pass=0; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=stackframe.org; s=duo-1634547266507-560c42ae; h=content-type:mime-version:message-id:in-reply-to:date:references:subject:cc: to:from:from; bh=sSyYzJxyAzC1HqDqlHds4g9nc/Y594G5RBU9LPvWM4w=; b=hzEMtusftvrEpUmBObVwurz6VgZZr/3DE1fTj1n5ftULZMrzWpkazEeoDSFA8sKgVVjWlqT3FraR5 WghM4ZVlNXjhMHAWHHXcoZji4dyJHEBbYfCNOj63uOJZ9KI4VmDHjBiMyFfZld0saX7nYyXD2nQ5qq Mvgn66it1eNy2BBk= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=outbound.mailhop.org; s=dkim-high; h=content-type:mime-version:message-id:in-reply-to:date:references:subject:cc: to:from:from; bh=sSyYzJxyAzC1HqDqlHds4g9nc/Y594G5RBU9LPvWM4w=; b=E/pJYrPZEVfFsb2KfSC+jCnlp5h7uoDf6jBjR9RyfgIGS2eetyXvJqNwOYTBkkM0U03v5BGeLzUH/ lNSmptv8X3Z2cPr5hovF/84vS3+ieR/H/6KJA/Qjaz/M9pPsN9Tyhb7xE+AsS2rzSPu1/b0ERfEjEU dY/QHhileqSeZ7O39ou6sMhS5sO5PEHOU2z8u372Ie0MN4bv1Dc6S+N9Mju3yQ8uPfFc2VQfBQINNT maSHDtUsHpY3P0DTwx69C7t1011D14QN26XayvBXHuXAn5G2C/C4QBNI0NSTDvXFoi9Lcmve4KUnL/ OY/Zdc2mi/mxoKb3w/7IdeS82aXGpmA== X-Originating-IP: 91.207.61.48 X-MHO-RoutePath: dG9ta2lzdG5lcm51 X-MHO-User: e2590ac2-6b4f-11ec-a075-973b52397bcb X-Report-Abuse-To: https://support.duocircle.com/support/solutions/articles/5000540958-duocircle-standard-smtp-abuse-information X-Mail-Handler: DuoCircle Outbound SMTP Received: from mail.duncanthrax.net (propper.duncanthrax.net [91.207.61.48]) by outbound2.eu.mailhop.org (Halon) with ESMTPSA id e2590ac2-6b4f-11ec-a075-973b52397bcb; Sat, 01 Jan 2022 22:12:19 +0000 (UTC) Received: from hsi-kbw-109-193-149-228.hsi7.kabel-badenwuerttemberg.de ([109.193.149.228] helo=x1.stackframe.org.stackframe.org) by mail.duncanthrax.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1n3mbq-002d4y-0l; Sun, 02 Jan 2022 00:12:18 +0200 From: Sven Schnelle To: Rolf Eike Beer Cc: linux-parisc@vger.kernel.org Subject: Re: pagefaults and hang with 5.15.11 References: <11891682.O9o76ZdvQC@daneel.sf-tec.de> <12921974.uLZWGnKmhe@daneel.sf-tec.de> <3407744.iIbC2pHGDl@daneel.sf-tec.de> Date: Sat, 01 Jan 2022 23:12:16 +0100 In-Reply-To: <3407744.iIbC2pHGDl@daneel.sf-tec.de> (Rolf Eike Beer's message of "Tue, 28 Dec 2021 22:55:47 +0100") Message-ID: <87pmpbds1r.fsf@x1.stackframe.org> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org Hi Eike, Rolf Eike Beer writes: > Am Montag, 27. Dezember 2021, 15:30:10 CET schrieb Rolf Eike Beer: >> Am Sonntag, 26. Dezember 2021, 18:22:12 CET schrieb John David Anglin: >> > On 2021-12-26 11:21 a.m., Rolf Eike Beer wrote: >> > > [139181.966881] WARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:613 >> > > rcu_eqs_enter.constprop.0+0x8c/0x98 >> > >> > This is probably not reproducible. You might try this change from Sven >> >> At least this time the git testsuite has finished, but with some errors as >> usual. >> >> > diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c >> > index cf92ece20b75..0cd97fa004c5 100644 >> > --- a/arch/parisc/kernel/smp.c >> > +++ b/arch/parisc/kernel/smp.c >> > @@ -228,11 +228,13 @@ static inline void >> > >> > send_IPI_allbutself(enum ipi_message_type op) >> > { >> > >> > int i; >> > >> > - >> > + >> > + preempt_disable(); >> > >> > for_each_online_cpu(i) { >> > >> > if (i != smp_processor_id()) >> > >> > send_IPI_single(i, op); >> > >> > } >> > >> > + preempt_enable(); >> > >> > } >> > >> > #ifdef CONFIG_KGDB >> >> I'll add this and see what happens. > > The machine locked up again, but without many output: > > [13093.642353] INEQUIVALENT ALIASES 0x96000 and 0xf5bba000 in file xargs > [13094.122900] INEQUIVALENT ALIASES 0x110000 and 0xf5a63000 in file find > [13260.968430] INEQUIVALENT ALIASES 0x96000 and 0xf5bba000 in file xargs > [16995.351108] ttyS ttyS1:[17649.655079] t[17650.739194] t[17658.174951] > t[17659.307044] t[24039.432030] INEQUIVALENT ALIASES 0x113000 and 0xf5a66000 > in file find Looks like you have a serial console connected? If yes, could you trigger a 'TOC s' from the BMC, and post the output from 'ser x 0 toc', where x is the processer number? This could help debugging this. Thanks Sven