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 19D82C7EE23 for ; Mon, 12 Jun 2023 09:21:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232812AbjFLJVs (ORCPT ); Mon, 12 Jun 2023 05:21:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42020 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232790AbjFLJVK (ORCPT ); Mon, 12 Jun 2023 05:21:10 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C33B44202; Mon, 12 Jun 2023 02:13:43 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 5E06D614F8; Mon, 12 Jun 2023 09:13:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 491E1C433EF; Mon, 12 Jun 2023 09:13:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1686561222; bh=VtwgqtSsYOl05kBZ+EgGtyLaG3GxAwgmQJsmPvB2W+g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qvsbBO9C50agdOxNnEEETmkmCzzaIi91qNQ+t1JstqCCgZRxVM7PmlWaviAzbpc+x yAOauDyp5LWBBmE84FqaXwpciGo9mL5rOm/fJpNX3lSs9s85pTVsQ/LXOCIp7j4RlE Wm8QsCITummxgfl8R+eZRO5BrGejpKYYA5UczKpQ= Date: Mon, 12 Jun 2023 11:13:40 +0200 From: Greg Kroah-Hartman To: Guenter Roeck Cc: Linus Torvalds , stable@vger.kernel.org, patches@lists.linux.dev, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, shuah@kernel.org, patches@kernelci.org, lkft-triage@lists.linaro.org, pavel@denx.de, jonathanh@nvidia.com, f.fainelli@gmail.com, sudipm.mukherjee@gmail.com, srw@sladewatkins.net, rwarsow@gmx.de, Thomas Gleixner , Ido Schimmel Subject: Re: [PATCH 5.15 000/159] 5.15.116-rc1 review Message-ID: <2023061226-footgear-kooky-cb04@gregkh> References: <20230607200903.652580797@linuxfoundation.org> <8a166eec-fc09-9ae8-b590-2c2e84796da0@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <8a166eec-fc09-9ae8-b590-2c2e84796da0@roeck-us.net> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 09, 2023 at 12:31:04PM -0700, Guenter Roeck wrote: > On 6/9/23 12:06, Linus Torvalds wrote: > > On Fri, Jun 9, 2023 at 11:42 AM Guenter Roeck wrote: > > > > > > I managed to revise my bisect script sufficiently enough to get reliable > > > results. It looks like the culprit is commit 503e554782c9 (" debugobject: > > > Ensure pool refill (again)"); see bisect log below. Bisect on four > > > different systems all have the same result. After reverting this patch, > > > I do not see the problem anymore (again, confirmed on four different > > > systems). > > > > Does this happen on mainline too? It's commit 0af462f19e63 in the upstream tree. > > > > It was in 6.4-rc1, and I see a clean result from you at least for > > -rc2, so for some reason it sounds like upstream is ok. But I don't > > really see why that would be the case... > > > > I see the problem only in v5.15.y, to the point where it is almost > impossible to get a clean test of all arm-v7 systems. Affected are > npcm (Nuvoton) boards (kudo-bmc, quanta-gsj, npcm750-evb) as well as > orangepi-pc. I don't see it in any other branch or with any other > platform/architecture. > > Mainline is fine; I have not seen any problems since -rc2. > > I have no idea what is going on either, only that I can reliably > reproduce the problem (and of course it disappears if CONFIG_DEBUG_OBJECTS > is disabled). Ok, I've reverted it from 5.15.y for now until this is figured out. thanks, greg k-h