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 8C9F6CA0FE2 for ; Tue, 5 Sep 2023 17:09:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232488AbjIERH4 (ORCPT ); Tue, 5 Sep 2023 13:07:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35820 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244286AbjIEQ7V (ORCPT ); Tue, 5 Sep 2023 12:59:21 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A1F1E61AA; Tue, 5 Sep 2023 09:30:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693931435; x=1725467435; h=message-id:date:mime-version:from:subject:to:cc: references:in-reply-to:content-transfer-encoding; bh=Wsj83dMuB0IsLZ+OQSDNV5lLeqy1G/b0RknIK8INS+M=; b=n3h8G3aPd+SlgsRH3zGqmW7I+3lrQZHDbP/owfe6TdoxTfHvtv4NiANa PJYKMWe5SqgCsTeu8d3LyrvDs5PHrhhARhDr9/1iva7k35NU1bACGujYZ gUbJpyn0Ycv7/r8ycCBph0ZljFExMTp3PjqCSC+j0MUXHo3FeSeCeLEZH 2LQVkbajnz5+oshq3Aqk3T3rQUN95bmY7BSbHFHH9sQW4GaUlmBK1t4M4 MgrcxQ30XinjyYWSrfTgjbI28w2Da6AjKm26K9Sw15hzSvv/MgJMh1kAI YnqrUdeNOVa5SNnifoCzopuFXCu+UiZb+jSqbpxojzQlfRpDD3B8zbjor A==; X-IronPort-AV: E=McAfee;i="6600,9927,10824"; a="374228903" X-IronPort-AV: E=Sophos;i="6.02,229,1688454000"; d="scan'208";a="374228903" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Sep 2023 09:21:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10824"; a="806665737" X-IronPort-AV: E=Sophos;i="6.02,229,1688454000"; d="scan'208";a="806665737" Received: from hha-mobl1.amr.corp.intel.com (HELO [10.209.14.88]) ([10.209.14.88]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Sep 2023 09:21:45 -0700 Message-ID: Date: Tue, 5 Sep 2023 09:21:45 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 From: Dave Hansen Subject: Re: Fwd: RCU indicates stalls with iwlwifi, causing boot failures To: Hugh Dickins , Dave Hansen Cc: Mikhail Gavrilov , Bagas Sanjaya , Lai Jiangshan , "Paul E. McKenney" , Gregory Greenman , Ben Greear , Linux Kernel Mailing List , Linux Networking , Linux Wireless , Linux RCU References: Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/1/23 23:59, Hugh Dickins wrote: > I just took a look at your dmesg in bugzilla: I see lots of page tables > dumped, including "ESPfix Area", and think you're hitting my screwup: see > > https://lore.kernel.org/linux-mm/CABXGCsNi8Tiv5zUPNXr6UJw6qV1VdaBEfGqEAMkkXE3QPvZuAQ@mail.gmail.com/ > > Please give the patch from the end of that thread a try: Thanks, Hugh. I tried a random commit from Linus's tree that didn't boot for me earlier. Applying your fix allowed me to boot! I still can't boot Linus's _current_ tree with your patch in it, but that looks like another failure mode altogether.