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 8F1CAC25B4E for ; Fri, 20 Jan 2023 16:14:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229639AbjATQOD (ORCPT ); Fri, 20 Jan 2023 11:14:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47438 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229494AbjATQOC (ORCPT ); Fri, 20 Jan 2023 11:14:02 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A547151416 for ; Fri, 20 Jan 2023 08:14:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=qnq+KIF4kl6KqLYHIBLRa6Y3g89vAecYM2S/QBmY6LU=; b=VAXV86zYPn+OPuYpDTRWSB2BbH HMyxH5/Gpv+SJvlj6D4/h9V1z/kGCmjDIhS6PyIqAhUAxYrGe6Bw3uDBySrJ/zYoMZ2mJzLa3AfoD xmy0Gu7UCZF+69QPH1LGmPizg+j46893MN81T3SyyZWFKyYZwtHZ2wamoaG5gXt4m7XliXLsGkcYR ZPL/P3Bj9x30eESQ3ckujrG9BdbpJjduJl0v15r/A4Wi/fGT7LLgMrvhSLfAx/Mf6qp7xpYA5kcyB aZla9Cc0QklvbYzyJjrH04IlEXUJi/msxcqlgkGbiYoC1pMdr7pfgBMMsAUs2FlGwE9G2HDi8BvRb Z7viKY7Q==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1pIu1R-0029HO-5u; Fri, 20 Jan 2023 16:13:45 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 7936C300033; Fri, 20 Jan 2023 17:13:44 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 5DD2E20DC0E8E; Fri, 20 Jan 2023 17:13:44 +0100 (CET) Date: Fri, 20 Jan 2023 17:13:44 +0100 From: Peter Zijlstra To: "Erhard F." Cc: Sandipan Das , linux-kernel@vger.kernel.org, Nick Desaulniers , Joao Moreira , Masami Hiramatsu , x86@kernel.org, Josh Poimboeuf Subject: Re: [bisected] clang 15 built kernel fails to boot, stuck at "Loading Linux 6.1.1 ...", gcc 12 built kernel with same config boots fine Message-ID: References: <20230119022303.177052e4@yea> <178000f1-1464-03cb-2335-a01b77e70692@amd.com> <20230120162018.4e48f78c@yea> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230120162018.4e48f78c@yea> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 20, 2023 at 04:20:18PM +0100, Erhard F. wrote: > Success! You nailed it. > > Applied your patch on top of v6.2-rc4 and with that I got ye olde > Thinkpad A275 with it's borked custom config + clang -Os(stupid) > booting again. No side effects to be seen so far.. \o/ Patches now live here: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/log/?h=x86/core Will post once the robots have had a go at it. Thanks for reporting.