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 BC40AC433EF for ; Thu, 10 Mar 2022 12:22:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241969AbiCJMXk (ORCPT ); Thu, 10 Mar 2022 07:23:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56374 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237763AbiCJMXi (ORCPT ); Thu, 10 Mar 2022 07:23:38 -0500 Received: from wp530.webpack.hosteurope.de (wp530.webpack.hosteurope.de [IPv6:2a01:488:42:1000:50ed:8234::]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98B5C63F4 for ; Thu, 10 Mar 2022 04:22:36 -0800 (PST) Received: from ip4d144895.dynamic.kabel-deutschland.de ([77.20.72.149] helo=[192.168.66.200]); authenticated by wp530.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) id 1nSHoO-0000Ms-7H; Thu, 10 Mar 2022 13:22:32 +0100 Message-ID: <09086ab6-10ff-6334-6148-2fab9df64f9a@leemhuis.info> Date: Thu, 10 Mar 2022 13:22:20 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: Bug 215658 - arch/powerpc/mm/mmu_context.o Assembler messages: Error: unrecognized opcode: `dssall' (PowerMac G4) Content-Language: en-US To: Christophe Leroy , Alexey Kardashevskiy , Michael Ellerman Cc: "linuxppc-dev@lists.ozlabs.org" , "regressions@lists.linux.dev" , Linux Kernel Mailing List References: <831731e2-6769-3d36-0cdf-721437452fcc@leemhuis.info> <1367d2de-bc44-fb96-c1ef-fd4cf0fb82f4@csgroup.eu> From: Thorsten Leemhuis In-Reply-To: <1367d2de-bc44-fb96-c1ef-fd4cf0fb82f4@csgroup.eu> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-bounce-key: webpack.hosteurope.de;regressions@leemhuis.info;1646914956;75fb1994; X-HE-SMSGID: 1nSHoO-0000Ms-7H Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10.03.22 12:22, Christophe Leroy wrote: > Le 10/03/2022 à 11:39, Thorsten Leemhuis a écrit : >> Hi, this is your Linux kernel regression tracker. >> >> I noticed a regression report in bugzilla.kernel.org that afaics nobody >> acted upon since it was reported about a week ago, that's why I decided >> to forward it to the lists and a few relevant people to the CC. To quote >> from the ticket: > > I already looked at it when the ticket was opened and that's a bit puzzling. Yeah, same here, but I decided I to pick it up, as that's what I'm here for. > With v5.16.12 and the config file in the bug report I have no such problem: > > CC arch/powerpc/mm/fault.o > CC arch/powerpc/mm/mem.o > [...] Maybe it's one of those bugs related to the version of binutils? > The bug is puzzling because it says the problem is introduced by commit > d51f86cfd8e3 ("powerpc/mm: Switch obsolete dssall to .long") whereas the > purpose of that commit is exactly to fix the issue you are reporting. > > And as far as I can see that commit is not in v5.16.12, so my feeling is > that somethings wrong with the bug report. > > By the way I think that cherry-picking that commit into v5.16.12 should > fix it. Maybe that's what he had meant to be writing? Maybe your comment in the ticket will lead to some enlightenment. Thx for looking into this. Ciao, Thorsten >>> 5.16.12 kernel build for my G4 DP on my Talos II fails with: >>> >>> [...] >>> CC arch/powerpc/mm/init_32.o >>> CC arch/powerpc/mm/pgtable_32.o >>> CC arch/powerpc/mm/pgtable-frag.o >>> CC arch/powerpc/mm/ioremap.o >>> CC arch/powerpc/mm/ioremap_32.o >>> CC arch/powerpc/mm/init-common.o >>> CC arch/powerpc/mm/mmu_context.o >>> {standard input}: Assembler messages: >>> {standard input}:30: Error: unrecognized opcode: `dssall' >>> make[2]: *** [scripts/Makefile.build:287: arch/powerpc/mm/mmu_context.o] Fehler 1 >>> make[1]: *** [scripts/Makefile.build:549: arch/powerpc/mm] Fehler 2 >>> make: *** [Makefile:1846: arch/powerpc] Error 2 >>> >>> This seems to have been introduced by commit d51f86cfd8e378d4907958db77da3074f6dce3ba "powerpc/mm: Switch obsolete dssall to .long" >>> >>> Reverting this commit fixes the build for my G4. >> >> Could somebody take a look into this? Or was this discussed somewhere >> else already? Or even fixed? >> >> Anyway, to get this tracked: >> >> #regzbot introduced: d51f86cfd8e378d4907958db77da3074f6dce3ba >> #regzbot from: Erhard F >> #regzbot title: arch/powerpc/mm/mmu_context.o Assembler messages: >> Error: unrecognized opcode: `dssall' (PowerMac G4) >> #regzbot link: https://bugzilla.kernel.org/show_bug.cgi?id=215658 >> >> Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) >> >> P.S.: As the Linux kernel's regression tracker I'm getting a lot of >> reports on my table. I can only look briefly into most of them and lack >> knowledge about most of the areas they concern. I thus unfortunately >> will sometimes get things wrong or miss something important. I hope >> that's not the case here; if you think it is, don't hesitate to tell me >> in a public reply, it's in everyone's interest to set the public record >> straight.