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 16BB7C001DE for ; Mon, 31 Jul 2023 23:48:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231524AbjGaXsm (ORCPT ); Mon, 31 Jul 2023 19:48:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53774 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229887AbjGaXsi (ORCPT ); Mon, 31 Jul 2023 19:48:38 -0400 Received: from mout.gmx.net (mout.gmx.net [212.227.17.21]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8C7210C7 for ; Mon, 31 Jul 2023 16:48:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.de; s=s31663417; t=1690847301; x=1691452101; i=efault@gmx.de; bh=B/X8u+IvcXQCQFqb6ztmRQY2dgDvpXQ+tI4bmy1v2A0=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=czOqkV4cMKzYAGPnuRbhJL78S5mBQpCsZXJSpktq+N5kJhktImPLEAdxemPsDFq/3v4DymO 9SJZjzC6HOTED4m+W1x3oteywk5zK/YhKatCxogqW9ytXdaaQMJZP6qyj6iv5PeK4WYRtdSkG bBgroZxajbKZK80kmRBQtKFxudx/7vjuBAL88z9TlOdMaND40GO64dQzGNlhWbVJdgG+tferM S090OMRzAoc+S9X+QqNfAoRzztR0RHWW2L+QH4axt8ocDtYteYpxy8FP2N3OocWKdFdarEMHJ 7lNXL8UYk07e3MWkOKUa+KVgzHb4XqBIEqa0fAesFaHOXwr2UtGA== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from homer-2.fritz.box ([185.191.216.56]) by mail.gmx.net (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1Mg6Zq-1pvQXj1o3a-00hcrs; Tue, 01 Aug 2023 01:48:21 +0200 Message-ID: <21777dec0233b1bc65f51764ead9a03efa9baa64.camel@gmx.de> Subject: Re: arm64: perf test 26 rpi4 oops From: Mike Galbraith To: Lorenzo Stoakes , Will Deacon Cc: lkml , Mark Rutland , wangkefeng.wang@huawei.com, catalin.marinas@arm.com, ardb@kernel.org Date: Tue, 01 Aug 2023 01:48:19 +0200 In-Reply-To: <42ad26cb6c98e028a331f5d73abf85bd965ff89d.camel@gmx.de> References: <20230728141852.GA21718@willie-the-truck> <8c56256399e2e6c41bc574749d6170d5529f24fc.camel@gmx.de> <20230731104340.GA24767@willie-the-truck> <20230731115207.GB24767@willie-the-truck> <42ad26cb6c98e028a331f5d73abf85bd965ff89d.camel@gmx.de> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.4 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:7TGgatOEl/bDAtoD6Ki+7+3VXA4x57/R55JmwMkjhNrVSROwakZ m/EurCu7+3gULuhsEo0uP9XxI0cEtcM/N6TUsQ7Rb0Au8v5Ze92uOh792V7UXicfIstgl79 TRCNhWmbpaP5trNxOrlkZHLHQdrN8DJ/rtYJIatvUa+wo757v86ZN6lU4GJaIJ6eOVfIBhm fsvS3wYH2FoikGuAzDdkQ== UI-OutboundReport: notjunk:1;M01:P0:UHn+NivpSFU=;7fGqFmcvYSw9ooYWYqublqxCVhE 211DCdG7am/7WilvzwN6szAnZa2FsYClpCekU7mAL4hkKiPxV/4OMp5TGHGRniqJszmynHdoP mXJTWT3am1FCetJTIv7dtBEqLCT4YY+SbfU4zf4++yXY3sv/ONZPUhKDvYeksH+3yC0UHuXyP iSryD9o8M9AqQLodUhGiEg8W73iJQhw9zNQWaj+LlXOSmJJuSTo/kk4Xkl8lan77tJlbS01xo D3prdrKMrlTV8CPd1KrWX4Fu83QD97UD9CVBXDYbzdJeVOcNMp3UldHDvY4VjH910797aKeYB sle5nHUU5eZ2KLiVg3S3moiwqhBv+v+vodVQ1TAdzIYBH2bLfFQNTKuklVOZVuo64v+0TsTv3 PAT93Rfq7sRFCPNyZQzAG3VE78SakjWEglqF2ShBZtpSy36MweqaBRVRNw+cCMQAuuWOX0PK3 x+sdZKsS1g4gjYWg9KS03b823OLuwjw3F4q/33YxSAviXh5hEsu/MyHRstQubFwqiHhfOthXf zwCwEpgwgby9sfeQgdPoKgniuG9JcjwGByBoVEyyCTlTLeW4RBlI8OZwrXbJBN0pK+WogIJ9s GT815MIfk41hRPpv6Qt5I1oMx128Kirbdy3BkPkDWxIXzkNBDoCnjz5x82Fu+rO0XIKhm4Z6N x3wPk0VZEMJSRF0EAmYt9aE2N7Bi2mjhVOdOu+X/4C1dJ547bZTQ/XxOV1P1vkTE/g0lnJWcS A0rvxbhgfxZylAMa86RsJ1mMpgT3jAmQp60zHLq/0kahJ7kEpP1hgX4bGkCBz0bdwYb7s5mtN kmdnPY21eoNmLd0qHr04zecoM3zqvs+EIbpgpHojoKXUsy4pXtF45Osv9/FwwZ3YgDgiQAt45 nUU+MCA1M5Y5U+eo25fLm7gTDt/lbzE5S/466zlAytKDXU14OE24OCK8PA5e5HpK1NQvtCQsz ayi+ZIcIgAAt5u63dZnPVLns/GU= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2023-08-01 at 01:27 +0200, Mike Galbraith wrote: > On Mon, 2023-07-31 at 22:54 +0100, Lorenzo Stoakes wrote: > > > > Posted a fix at:- > > > > https://lore.kernel.org/all/20230731215021.70911-1-lstoakes@gmail.com/ > > > > Please give that a go and indicate whether that resolves the issue. > > Yup, that fixed the oops issue. Heh, using Jiri's pick a spot from /proc/kallsyms test... root@rpi4:~# cat /proc/kallsyms | grep ksys_read ffffffe950baf7f8 T ksys_readahead ffffffe950c38708 T ksys_read root@rpi4:~# objdump -d --start-address=3D0xffffffe950c38708 --stop-addres= s=3D0xffffffe950c3870a /proc/kcore /proc/kcore: file format elf64-littleaarch64 Disassembly of section load1: ffffffe950c38708 : ffffffe950c38708: Address 0xffffffe950c38708 is out of bounds. objdump: error: /proc/kcore(load2) is too large (0x3de8000000 bytes) objdump: Reading section load2 failed because: memory exhausted root@rpi4:~# dmesg|tail -2 [ 979.003019] __vm_enough_memory: pid: 12439, comm: objdump, not enough m= emory for the allocation [ 979.003080] __vm_enough_memory: pid: 12439, comm: objdump, not enough m= emory for the allocation