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 X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 27D49C2BA2B for ; Fri, 10 Apr 2020 14:29:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ED34F206C1 for ; Fri, 10 Apr 2020 14:29:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Eab4sb4Z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726626AbgDJO3Z (ORCPT ); Fri, 10 Apr 2020 10:29:25 -0400 Received: from mail-qk1-f196.google.com ([209.85.222.196]:33053 "EHLO mail-qk1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726009AbgDJO3Z (ORCPT ); Fri, 10 Apr 2020 10:29:25 -0400 Received: by mail-qk1-f196.google.com with SMTP id v7so2300813qkc.0; Fri, 10 Apr 2020 07:29:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=HqixeQ1c5wIdCqT4FMHLM5bXGTWlO9ooQXJCo53yiEM=; b=Eab4sb4ZAudIQsTkALPp5p1jys1KaiL7jTRT4r3XZqZTjZAIFjUnb/UMfs3HeKP+31 QP2mvnFNZ6bmEnF9plK2utIhowz9L1KlKSHRLVkKVi+hN1k4fiVHpFRrXqz/V/XgWZK5 Ulc8LGCb4Wv/r3dCvnr96WCNVUJznuF+666Q2PCkxSeiecOF9sLnGbnJWzBnBDIWrWtB Zg52gWNLvUOAoEeYZfCp0brdstwz7Xsjwk+6TMVglz12AU+qgDJSH3JqATHaBUhtbnOf 5Ms6zkUYshCfcmzCGEW+xSEWD0ZwWWf323HVLaUjEJEE2fm+R/KwoKsZdkY0N70S0FOS WXbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:date:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=HqixeQ1c5wIdCqT4FMHLM5bXGTWlO9ooQXJCo53yiEM=; b=lr7mtWDMXrwgrqKkGl2PLJckNQSbXw34CwekyJaW19XsYh7um01UHakrf21Ccaf/l2 TUGdRkO1SwN5ehUKHcb+PIx9bHlHTCmStDS58p/t0fpBROZVATLjK3/MBXgwiHFMVMO2 yrMCo9ZoMFf4x6ojLQrAOxuvQhJZK22l/9r9CWJOg0DS86jZtcaQh7aOXIvEcJScF7Ok f1De/N0zU6n51ouVW47RrvM7WwtRX3zQ6XL2CShrK9VD6qBoCldkk1cGu3gNQfA6TkC5 TJstao418sb3HOsBqnksQoDlmtrNONTksBGZgrTrac183prRiwnTNAEXjdBwFwdWpUa/ GVOw== X-Gm-Message-State: AGi0PuaWmlO1ad8SwnobRwGu7d+o7wE5Xt7CBuFHTWQgRFxdoPHUcQ5y 64lyfD8gi/W7jlSIXd3pJwI= X-Google-Smtp-Source: APiQypJtL9xhcxuM9fPTVSO6dKk/6nF9FDND7wPbG6jLXVS0MEj1bH2UBTn5A09xp28sqTH0iKqjtg== X-Received: by 2002:a37:4fc5:: with SMTP id d188mr4156132qkb.220.1586528962908; Fri, 10 Apr 2020 07:29:22 -0700 (PDT) Received: from rani.riverdale.lan ([2001:470:1f07:5f3::b55f]) by smtp.gmail.com with ESMTPSA id c12sm1605169qkj.128.2020.04.10.07.29.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Apr 2020 07:29:22 -0700 (PDT) From: Arvind Sankar X-Google-Original-From: Arvind Sankar Date: Fri, 10 Apr 2020 10:29:20 -0400 To: Like Xu Cc: Mikhail Gavrilov , Linux List Kernel Mailing , linux-x86_64@vger.kernel.org, nivedita@alum.mit.edu Subject: Re: [Bug report] Kernel 5.7 become unbootable Message-ID: <20200410142920.GA936997@rani.riverdale.lan> References: <1d02e4f3-8d83-4c55-bce2-f5aa4af2e363@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1d02e4f3-8d83-4c55-bce2-f5aa4af2e363@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 10, 2020 at 04:16:58PM +0800, Like Xu wrote: > On 2020/4/10 3:12, Mikhail Gavrilov wrote: > > Hi folks. > > I use Fedora Rawhide and today's update came with the new kernel > > 5.7.0-0.rc0.git6.1. > > As it turned out this kernel won't boot. Instead, I see the black > > screen and some times see messages: > > exit_boot() failed! > > efi_main() failed! > > > > The last working kernel is kernel-core-5.7.0-0.rc0.git2.1 > > > > I looked at the spec file and found out that the last bootable kernel > > was related to the commit cad18da0afb1 > > (https://src.fedoraproject.org/rpms/kernel/c/9949db6070c6ca501d7235760ca8aba120db7448?branch=master), > > and the first non-bootable kernel related to the commit a10c9c710f9e > > (https://src.fedoraproject.org/rpms/kernel/c/0561e0bf0e459dd4b27a77670de838128b87bd0e?branch=master) > > > > Of course, knowing these two commits, I made bisecting with the vanilla kernel: > > > > > > Can anyone here help me with this issue? > > I encountered the same issue as you: > > exit_boot() failed! > efi_main() failed! > > and the following patches are very suspicious: > > x86/boot/compressed/64: Use LEA to initialize boot stack pointer > x86/boot/compressed/64: Use 32-bit (zero-extended) MOV for z_output_len > x86/boot/compressed/64: Remove .bss/.pgtable from bzImage > x86/boot/compressed: Remove .eh_frame section from bzImage > > I am not sure if reverting these patches can help you. > > Thanks, > Like Xu > Please try with the patches at https://lore.kernel.org/linux-efi/20200409130434.6736-1-ardb@kernel.org/ In particular, patches 3 and 4. The first one is a fix for upstream commit 3ee372ccce4d ("x86/boot/compressed/64: Remove .bss/.pgtable from bzImage")