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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 73045C4360C for ; Wed, 17 Mar 2021 01:28:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 594CB64F96 for ; Wed, 17 Mar 2021 01:28:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230468AbhCQB2W (ORCPT ); Tue, 16 Mar 2021 21:28:22 -0400 Received: from sandeen.net ([63.231.237.45]:57966 "EHLO sandeen.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230461AbhCQB2L (ORCPT ); Tue, 16 Mar 2021 21:28:11 -0400 Received: from liberator.sandeen.net (liberator.sandeen.net [10.0.0.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sandeen.net (Postfix) with ESMTPSA id 6B6B348C691; Tue, 16 Mar 2021 20:27:34 -0500 (CDT) To: David Mozes , "linux-fsdevel@vger.kernel.org" Cc: "sandeen@redhat.com" References: From: Eric Sandeen Subject: Re: fs: avoid softlockups in s_inodes iterators commit Message-ID: <4c7da46e-283b-c1e3-132a-2d8d5d9b2cea@sandeen.net> Date: Tue, 16 Mar 2021 20:28:10 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 3/16/21 3:56 PM, David Mozes wrote: > Hi, > Per Eric's request, I forward this discussion to the list first. > My first answers are inside ok, but you stripped out all of the other useful information like backtraces, stack corruption, etc. You need to provide the evidence of the actual failure for the list to see. Also .. > -----Original Message----- > From: Eric Sandeen > Sent: Tuesday, March 16, 2021 10:18 PM > To: David Mozes > Subject: Re: Mail from David.Mozes regarding fs: avoid softlockups in s_inodes iterators commit > > On 3/16/21 3:02 PM, David Mozes wrote: >> Hi Eric, >> ... > David > Not sure yet, Will check. >> 5.4.8 vanilla kernel it custom > > Is it vanilla, or is it custom? 5.4.8 or 5.4.80? > > David> 5.4.80 small custom as I mantion. what is a "small custom?" Can you reproduce it on an unmodified upstream kernel? -Eric