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 4DC74C38A02 for ; Fri, 28 Oct 2022 16:09:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230052AbiJ1QJx (ORCPT ); Fri, 28 Oct 2022 12:09:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231288AbiJ1QJU (ORCPT ); Fri, 28 Oct 2022 12:09:20 -0400 Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F349F220F98; Fri, 28 Oct 2022 09:07:27 -0700 (PDT) Received: by mail-ej1-x62f.google.com with SMTP id y14so13992739ejd.9; Fri, 28 Oct 2022 09:07:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=lD+pA5E2PNMxHP5NE3vNozzPpwCUBIHi+D6BtibFHBk=; b=MCRMjTQyuhwiic2rx3/v6/6wv5tUBlNUxyTBXfCrem/HTZd6Q5qYN15Vtr8kcgICu8 BRhNj8V3nAk/I4EmIKMR5oL24I/CbxITjPj0aE9JdJFDqDvVKcEgaT5aTVY5OgOZHcFN 4iPuwdHdZe+8NaB/mNBZW7O1eVPJ96D9yY4K1bVN74WjgtbpkuQiDnKyvJRjzMTQs3Dk erAqUISOiz9VnpZ8Y3/Gd2BpsnYRD7dLLe5or3g4yOznJWJatofGqAmXsPLu0mQfU0er VEcYbahqVD39i7eqvfv/tDEmhCuYC/oItPDqanRqNxqBlG/xdN1ITvfPH/B6kXRzgFI2 p+TQ== 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:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=lD+pA5E2PNMxHP5NE3vNozzPpwCUBIHi+D6BtibFHBk=; b=nXllAd5SAhc90p+w5GWqTV3EdIb5rqBhrqXMWVfIiWNMVB0tdF4Q5nrMBnx7O8BhP0 dVE8pqhIrRZLWILUm4ZhF2X1hGJzgOl0AfQX4LL644wKtz3whG0a7nhmO7q55qzVbogf ObO8vT5dvHfVVSQNMoBZZS8zaAai/IrArB4WIZtD39uyg+29dPQQS8HaGf1d27w7RPrM eLgIj7ylz7pev5Ed5SsJBG4MVODDvarcLQMEkjuobjvuAPsoGaSIvlyduHkamMEIVRIs IQ+9YqE5PjWeYn8kNLQLO0SSQ9NZBFwKwDQlutUwP6sfodlTNT0ENXXsO+j8iWu/bjch j+NA== X-Gm-Message-State: ACrzQf3afJZiqTMVtRyzsE5gBsBdgk62kus86Xnj9LvjRTh0zf9G19mS GOGi1ci1aW7EzcJy49qolK94wjVmZvnqzm1fzX8= X-Google-Smtp-Source: AMsMyM76cFhYbRy1BTy6Nv2FnQl9QDQ+2TmzHjytA9QtTA7YnSxuEYgxNhvPaKIQLqQDevlFZ09jBU6yII5qJB1owVU= X-Received: by 2002:a17:907:728b:b0:7a1:b545:b39b with SMTP id dt11-20020a170907728b00b007a1b545b39bmr27114ejc.661.1666973246450; Fri, 28 Oct 2022 09:07:26 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Sudip Mukherjee Date: Fri, 28 Oct 2022 17:06:50 +0100 Message-ID: Subject: Re: boot failure of linux-next due to 1248fb6a8201 ("x86/mm: Randomize per-cpu entry area") To: Dave Hansen Cc: Peter Zijlstra , Dave Hansen , Kees Cook , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski , linux-kernel@vger.kernel.org, linux-next@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org On Fri, Oct 28, 2022 at 3:33 PM Dave Hansen wrote: > > On 10/28/22 06:29, Sudip Mukherjee (Codethink) wrote: > > I will be happy to test any patch or provide any extra log if needed. > > Though I am not sure how I will collect extra logs (if needed) as there > > was no output from qemu. > > Could you share your qemu config? The command-line would be fine. Does > it have a serial console set up? qemu-system-x86_64 -m 2048 -smp 2 -chardev socket,id=SOCKSYZ,server,nowait,host=localhost,port=46514 -mon chardev=SOCKSYZ,mode=control -display none -serial stdio -no-reboot -name VM-test -device virtio-rng-pci -enable-kvm -cpu host,migratable=off -device e1000,netdev=net0 -netdev user,id=net0,restrict=on,hostfwd=tcp:127.0.0.1:28993-:22 -hda bullseye.img -snapshot -kernel bzImage -append "root=/dev/sda console=ttyS0 net.ifnames=0 biosdevname=0" serial is via stdio, and in normal boots I get the bootlog in the terminal, but in this case there was nothing. -- Regards Sudip