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=-7.1 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 E7925C43461 for ; Tue, 8 Sep 2020 03:59:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BA2E321532 for ; Tue, 8 Sep 2020 03:59:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728516AbgIHD7l (ORCPT ); Mon, 7 Sep 2020 23:59:41 -0400 Received: from mx2.cyber.ee ([193.40.6.72]:34933 "EHLO mx2.cyber.ee" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728327AbgIHD7l (ORCPT ); Mon, 7 Sep 2020 23:59:41 -0400 Subject: Re: gcc crashes with general protection faults in 5.9.0-rc3-00091-ge28f0104343d From: Meelis Roos To: LKML References: <9883f24e-7ea4-ffe1-e284-8583a3407c94@linux.ee> Message-ID: Date: Tue, 8 Sep 2020 06:58:41 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <9883f24e-7ea4-ffe1-e284-8583a3407c94@linux.ee> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Following up my yesterdays mail: > This is 5.9.0-rc3-00091-ge28f0104343d on Lenovo t460s that has ran fine up to 5.8.0. > > Today I tried reproducing my linking problem with git kernel on my laptop and got segmentation faults in gcc. This is probably the corresponding dmesg part: > > 0xdead000000000400 loks like some kind of poisoning. > > [307299.392045] general protection fault, probably for non-canonical address 0xdead000000000400: 0000 [#1] SMP PTI Was not reproducible in 5.9-rc4 while recompiling the kernel in a loop for 8 hours. -- Meelis Roos