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=-7.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 88003C4320A for ; Sat, 14 Aug 2021 18:29:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5B73360524 for ; Sat, 14 Aug 2021 18:29:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238986AbhHNS3z (ORCPT ); Sat, 14 Aug 2021 14:29:55 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:60884 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233713AbhHNS3w (ORCPT ); Sat, 14 Aug 2021 14:29:52 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 1A1B321EFF; Sat, 14 Aug 2021 18:29:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1628965762; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pBOJ3hxcgsKbFU0ZOokocEo7Rl62uXx2/3KVpDBVQSM=; b=CEFtwACknsaZVwf751g/qT36xHLOivQu96BzWYOZzcfSiKRAaWnlglklPr66OdXM/3c3/p leWMo5xxja3NH/BghsQ07NdZwCDOSaFtVhJGl+vGh1yNsUjgokioLXQRXp8TSeZDiGv9vG qX0lX5qAbesX5jjbNJiGaSl56UW99N4= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1628965762; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pBOJ3hxcgsKbFU0ZOokocEo7Rl62uXx2/3KVpDBVQSM=; b=hYR8w//bIJv29dU90qDV/us49OOjlRuIkmpJ4yIgjWBVzeRgRs4mABWOoLSXj7XtCXz4BV mFh/Pai3WLWv8rDA== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id AC1B413D1B; Sat, 14 Aug 2021 18:29:21 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id jWZpJoELGGGeRgAAMHmgww (envelope-from ); Sat, 14 Aug 2021 18:29:21 +0000 Subject: Re: [ANNOUNCE] v5.14-rc5-rt8 To: Mike Galbraith , Clark Williams , Sebastian Andrzej Siewior Cc: Thomas Gleixner , LKML , RT References: <20210810163731.2qvfuhenolq2gdlv@linutronix.de> <20210812151803.52f84aaf@theseus.lan> <8c012c35852e98af99a6b6234a3f57ac27cd980a.camel@gmx.de> <522000b97adcfbc581e7e5ed1afc94519b1388b8.camel@gmx.de> From: Vlastimil Babka Message-ID: <94d74c8a-1e10-2500-468a-11c0ae7e2417@suse.cz> Date: Sat, 14 Aug 2021 20:28:44 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: <522000b97adcfbc581e7e5ed1afc94519b1388b8.camel@gmx.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/14/21 7:33 AM, Mike Galbraith wrote: > On Fri, 2021-08-13 at 12:56 +0200, Mike Galbraith wrote: >> On Thu, 2021-08-12 at 15:18 -0500, Clark Williams wrote: >>> >>> Sebastian, et al, >>> >>> Got the following panic running v5.14-rc5-rt8: >>> >>> ... >> >>> Config is attached. >>> >>> I was running the rteval script that kicks off parallel kernel builds >>> and hackbench runs as loads and runs cyclictest with a thread on each >>> core: >>> >>> $ sudo rteval --duration=10m >> >> It took my box more than 10 minutes to explode, but with all those >> debug options turned on, it did manage to do so in fairly short order. >> >> Off to build a fixed up 5.13-rt... > > ...and it reproduced. Transplanted 5.12-rt slub seems stable in both > 5.1[34]-rt trees FWIW. Why didn't you see it in earlier testing though? What's different now. > -Mike > >