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 36A3EC0015E for ; Tue, 1 Aug 2023 07:27:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231359AbjHAH1m (ORCPT ); Tue, 1 Aug 2023 03:27:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43056 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231300AbjHAH1k (ORCPT ); Tue, 1 Aug 2023 03:27:40 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B723519B0 for ; Tue, 1 Aug 2023 00:27:39 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 337D8614A7 for ; Tue, 1 Aug 2023 07:27:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 23CCDC433C7; Tue, 1 Aug 2023 07:27:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1690874858; bh=TTI6XFfx2Tvftp6nyvhuHx+8knaITgZFjuONQQ1Qu6o=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=o+E28iGDo8ZiTrhhKcK8afUgwtGkdg/o1AXAHT7K7DcAhhkfBibqWFn4TonwgjY4C BhWLdX/XisV4KP5r8owdHFN6+9Ee0V4zIx3FGETdpdj+8Qa1dNWPsQ4czh9akJ4JkY eqE1YgcrzKtSV6Piz42Lk8WIaYGo8iC3OL4Jom/MEPCE+7qm3RL7wWByA0kaX7w1lO heJXXX1exK59RUXCGHPX6ywIIZgdvNurw2tuVOLxeadrqgxY1+i7Gzlc4naXEey+oh +dDu6bE9eVPItetG5RiuEAtTbyUDjlpod0dgW0CbYpmnbopLIpvnoAmYs3Gq8wX8kr 0b5pSZSaeHjXQ== Date: Tue, 1 Aug 2023 08:27:33 +0100 From: Will Deacon To: Mike Galbraith Cc: Lorenzo Stoakes , lkml , Mark Rutland , wangkefeng.wang@huawei.com, catalin.marinas@arm.com, ardb@kernel.org Subject: Re: arm64: perf test 26 rpi4 oops Message-ID: <20230801072732.GA25854@willie-the-truck> References: <20230728141852.GA21718@willie-the-truck> <8c56256399e2e6c41bc574749d6170d5529f24fc.camel@gmx.de> <20230731104340.GA24767@willie-the-truck> <20230731115207.GB24767@willie-the-truck> <42ad26cb6c98e028a331f5d73abf85bd965ff89d.camel@gmx.de> <21777dec0233b1bc65f51764ead9a03efa9baa64.camel@gmx.de> <7b94619ad89c9e308c7aedef2cacfa10b8666e69.camel@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <7b94619ad89c9e308c7aedef2cacfa10b8666e69.camel@gmx.de> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 01, 2023 at 06:34:15AM +0200, Mike Galbraith wrote: > On Tue, 2023-08-01 at 01:48 +0200, Mike Galbraith wrote: > > > > root@rpi4:~# dmesg|tail -2 > > [  979.003019] __vm_enough_memory: pid: 12439, comm: objdump, not enough memory for the allocation > > [  979.003080] __vm_enough_memory: pid: 12439, comm: objdump, not enough memory for the allocation > > Ancient bug droppings are due to VMALLOC_END-VMALLOC_START=265885319168. FWIW, I see the same thing on my x86 laptop. I'm guessing objdump tries to read all of the vmalloc space into memory, which is going to end pretty badly! Will