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 32DA1C636D3 for ; Tue, 31 Jan 2023 01:46:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230425AbjAaBqr (ORCPT ); Mon, 30 Jan 2023 20:46:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56126 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230032AbjAaBqp (ORCPT ); Mon, 30 Jan 2023 20:46:45 -0500 Received: from mail-vs1-xe29.google.com (mail-vs1-xe29.google.com [IPv6:2607:f8b0:4864:20::e29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2686423101 for ; Mon, 30 Jan 2023 17:46:31 -0800 (PST) Received: by mail-vs1-xe29.google.com with SMTP id 3so14575656vsq.7 for ; Mon, 30 Jan 2023 17:46:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=draconx-ca.20210112.gappssmtp.com; s=20210112; h=cc:to:subject:message-id:date:from:references:in-reply-to :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=r0G78tCFuMbUc11f4Np3FVLjYUjXRj+1bSf/D+z772Y=; b=mBtK5jkiEPcmqnnUf3pWbeh8X1hzLi8VxrmvPgnBVeR64+mnnmMndwS6dpqTQOgQTV GYrR7P3jZQo0pYnE8xyMUtVNrxhSv+1+3CdCnGJjS5kJOjSRSy0v6Su3cI6SYyqauSlB vPb8rMkw1MYjQiYj4oaoqHB3JVw4YvTnr2t97GRBiG2II0iD6Qq1DylRNSQrOR5rrmse cqXxYh6CCSb4Jd0lCVVJKNNpJGOcQa8yJTUZbSj0XSMK4LNVSLGenAQR4ZBr54k4VZIo RCH+zjvb6Bcc9CwtuiKAgBA08gZS+RMrsWymnMqBCPaa1E8w70bbakPcfMlclVt+O1T+ 8ZwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:references:in-reply-to :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=r0G78tCFuMbUc11f4Np3FVLjYUjXRj+1bSf/D+z772Y=; b=qudN+XgRcscIdKpRh4922Rs/kk5FV8BxhSmMR1k+G+QITVkEP5Ix5frPDmB1fRpPzr VN2r+5ev44DfH2yN5G6uj/4+YacrvzwLmyxUXzkdYtPSl15EspTbPT/we02j6zhItttL o93CLM6mjJuea2xpqXB+CEcDsIs261m0ypRthVR6birdHbK0P/NzY2NNc6vNl4OBLvsV MLHUhtm6B38TUY3FrlevU1LuxAqUOPWeeYKlpiJiL5P4uraIt1Y/fv3HtsimpAqSMcWN Zu9Nf5lT+SReIV4B6VvxclB9GX/LwCT48nl5TtI7ZaF42ckVfI/JpoN/28IAQU4t0Ls8 W/6A== X-Gm-Message-State: AO0yUKWcx5bTT3F8MIOgAiChk+OvhAGOfonVRygEaT6Zh/Newrh7LEI+ 6QtbnwIzwqSDAVhgV8htaqh/42DVRMeOaBJS8iQaaIv3pYwSwLb4 X-Google-Smtp-Source: AK7set8T18QDx4rAbFvPvwBDlz5oPdhQHy9nhjNv0cUUAZfeKar7Fpa3GKrYmMJRQRPGA3x+F0b5SBaQ6GGUsLHTgr0= X-Received: by 2002:a67:ecd8:0:b0:3eb:e432:5601 with SMTP id i24-20020a67ecd8000000b003ebe4325601mr2837366vsp.16.1675129590180; Mon, 30 Jan 2023 17:46:30 -0800 (PST) MIME-Version: 1.0 Received: by 2002:a05:6130:1015:b0:559:9619:d862 with HTTP; Mon, 30 Jan 2023 17:46:29 -0800 (PST) X-Originating-IP: [24.53.241.20] In-Reply-To: References: From: Nick Bowler Date: Mon, 30 Jan 2023 20:46:29 -0500 Message-ID: Subject: Re: PROBLEM: sparc64 random crashes starting w/ Linux 6.1 (regression) To: Peter Xu Cc: linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org, regressions@lists.linux.dev, Andrew Morton Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org On 2023-01-29, Peter Xu wrote: > On Sat, Jan 28, 2023 at 09:17:31PM -0500, Nick Bowler wrote: >> Starting with Linux 6.1.y, my sparc64 (Sun Ultra 60) system is very >> unstable, with userspace processes randomly crashing with all kinds of >> different weird errors. The same problem occurs on 6.2-rc5. Linux >> 6.0.y is OK. [...] > Could you try below patch to see whether it fixes your problem? It should > cover the last piece of possible issue with dirty bit on sparc after that > patchset. It's based on latest master branch (commit ab072681eabe1ce0). Haven't seen any failures yet, so it seems this patch on top of 6.2-rc6 makes things much better. I'll keep running this for a while to see if any other problems come up. Thanks, Nick