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 E96A5C433F5 for ; Wed, 25 May 2022 11:10:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237192AbiEYLKZ convert rfc822-to-8bit (ORCPT ); Wed, 25 May 2022 07:10:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39994 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230117AbiEYLKZ (ORCPT ); Wed, 25 May 2022 07:10:25 -0400 Received: from gloria.sntech.de (gloria.sntech.de [185.11.138.130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E54784A15; Wed, 25 May 2022 04:10:22 -0700 (PDT) Received: from ip5b412258.dynamic.kabel-deutschland.de ([91.65.34.88] helo=diego.localnet) by gloria.sntech.de with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ntou5-0005Nh-BQ; Wed, 25 May 2022 13:10:13 +0200 From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: Guo Ren , Guenter Roeck Cc: Palmer Dabbelt , Arnd Bergmann , Greg Kroah-Hartman , Christoph Hellwig , linux-arch , Linux Kernel Mailing List , linux-riscv , linux-csky@vger.kernel.org, linux-s390 , sparclinux , linuxppc-dev , Parisc List , "open list:BROADCOM NVRAM DRIVER" , Linux ARM , the arch/x86 maintainers , Guo Ren Subject: Re: [PATCH V9 20/20] riscv: compat: Add COMPAT Kbuild skeletal support Date: Wed, 25 May 2022 13:10:12 +0200 Message-ID: <3418219.V25eIC5XRa@diego> In-Reply-To: <6435704.4vTCxPXJkl@diego> References: <20220322144003.2357128-1-guoren@kernel.org> <20220524220646.GA3990738@roeck-us.net> <6435704.4vTCxPXJkl@diego> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="iso-8859-1" Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org Am Mittwoch, 25. Mai 2022, 12:57:30 CEST schrieb Heiko Stübner: > Am Mittwoch, 25. Mai 2022, 00:06:46 CEST schrieb Guenter Roeck: > > On Wed, May 25, 2022 at 01:46:38AM +0800, Guo Ren wrote: > > [ ... ] > > > > > > The problem is come from "__dls3's vdso decode part in musl's > > > > ldso/dynlink.c". The ehdr->e_phnum & ehdr->e_phentsize are wrong. > > > > > > > > I think the root cause is from musl's implementation with the wrong > > > > elf parser. I would fix that soon. > > > Not elf parser, it's "aux vector just past environ[]". I think I could > > > solve this, but anyone who could help dig in is welcome. > > > > > > > I am not sure I understand what you are saying here. Point is that my > > root file system, generated with musl a year or so ago, crashes with > > your patch set applied. That is a regression, even if there is a bug > > in musl. > > Also as I said in the other part of the thread, the rootfs seems innocent, > as my completely-standard Debian riscv64 rootfs is also affected. > > The merged version seems to be v12 [0] - not sure how we this discussion > ended up in v9, but I just tested this revision in two variants: > > - v5.17 + this v9 -> works nicely I take that back ... now going back to that build I somehow also run into that issue here ... will investigate more. > - v5.18-rc6 + this v9 (rebased onto it) -> breaks the boot > The only rebase-conflict was with the introduction of restartable > sequences and removal of the tracehook include, but turning CONFIG_RSEQ > off doesn't seem to affect the breakage. > > So it looks like something changed between 5.17 and 5.18 that causes the issue. > > > Heiko > > > [0] https://lore.kernel.org/all/20220405071314.3225832-1-guoren@kernel.org/ > 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4930EC433EF for ; Wed, 25 May 2022 11:10:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=D8CNOu8lYLDQxzcckMH7NmopWqPIC4HGNX7QmGctICA=; b=VPqIv+7nUD9S4O KDjZqfZR3IrbUGI21ZzwNuzVgu+CWGE83/5+1FdZWmyE66DK1nrptddPSSnFQRlYgyk2m+L5E8Qqm O4s1xtSwjq9hEoP3XAjzN94wOWvkuNxbDIxJJaOUnanKt9xaU48EeEPwXLDC5gptjATUQGpKayU2u 2jkvU0HMcS1CqBNW1JQxsEbV219aDpSKqgVi90ldAk2XuBVjJAGd1fqpzBEcwzMJfm/gWmXqxSZVd nAxjC/X27dnoP+3EP8kA1k7t1L+zb05js9KxpIZKTx8KfyVxEYZpAq3M4s+r1W2BjB+T56IzrUdoA qzZXDegT4p/nNpdJfGlA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ntouL-00Aol6-Pb; Wed, 25 May 2022 11:10:29 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ntouI-00AokO-JT; Wed, 25 May 2022 11:10:28 +0000 Received: from ip5b412258.dynamic.kabel-deutschland.de ([91.65.34.88] helo=diego.localnet) by gloria.sntech.de with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ntou5-0005Nh-BQ; Wed, 25 May 2022 13:10:13 +0200 From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: Guo Ren , Guenter Roeck Cc: Palmer Dabbelt , Arnd Bergmann , Greg Kroah-Hartman , Christoph Hellwig , linux-arch , Linux Kernel Mailing List , linux-riscv , linux-csky@vger.kernel.org, linux-s390 , sparclinux , linuxppc-dev , Parisc List , "open list:BROADCOM NVRAM DRIVER" , Linux ARM , the arch/x86 maintainers , Guo Ren Subject: Re: [PATCH V9 20/20] riscv: compat: Add COMPAT Kbuild skeletal support Date: Wed, 25 May 2022 13:10:12 +0200 Message-ID: <3418219.V25eIC5XRa@diego> In-Reply-To: <6435704.4vTCxPXJkl@diego> References: <20220322144003.2357128-1-guoren@kernel.org> <20220524220646.GA3990738@roeck-us.net> <6435704.4vTCxPXJkl@diego> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220525_041026_673959_4814F1FE X-CRM114-Status: GOOD ( 27.77 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Am Mittwoch, 25. Mai 2022, 12:57:30 CEST schrieb Heiko St=FCbner: > Am Mittwoch, 25. Mai 2022, 00:06:46 CEST schrieb Guenter Roeck: > > On Wed, May 25, 2022 at 01:46:38AM +0800, Guo Ren wrote: > > [ ... ] > > = > > > > The problem is come from "__dls3's vdso decode part in musl's > > > > ldso/dynlink.c". The ehdr->e_phnum & ehdr->e_phentsize are wrong. > > > > > > > > I think the root cause is from musl's implementation with the wrong > > > > elf parser. I would fix that soon. > > > Not elf parser, it's "aux vector just past environ[]". I think I could > > > solve this, but anyone who could help dig in is welcome. > > > = > > = > > I am not sure I understand what you are saying here. Point is that my > > root file system, generated with musl a year or so ago, crashes with > > your patch set applied. That is a regression, even if there is a bug > > in musl. > = > Also as I said in the other part of the thread, the rootfs seems innocent, > as my completely-standard Debian riscv64 rootfs is also affected. > = > The merged version seems to be v12 [0] - not sure how we this discussion > ended up in v9, but I just tested this revision in two variants: > = > - v5.17 + this v9 -> works nicely I take that back ... now going back to that build I somehow also run into that issue here ... will investigate more. > - v5.18-rc6 + this v9 (rebased onto it) -> breaks the boot > The only rebase-conflict was with the introduction of restartable > sequences and removal of the tracehook include, but turning CONFIG_RSEQ > off doesn't seem to affect the breakage. > = > So it looks like something changed between 5.17 and 5.18 that causes the = issue. > = > = > Heiko > = > = > [0] https://lore.kernel.org/all/20220405071314.3225832-1-guoren@kernel.or= g/ > = _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv 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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 62A37C433EF for ; Wed, 25 May 2022 11:10:46 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4L7SzS43Zkz3cgF for ; Wed, 25 May 2022 21:10:44 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=sntech.de (client-ip=185.11.138.130; helo=gloria.sntech.de; envelope-from=heiko@sntech.de; receiver=) Received: from gloria.sntech.de (gloria.sntech.de [185.11.138.130]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4L7Sz110PLz2y7V for ; Wed, 25 May 2022 21:10:18 +1000 (AEST) Received: from ip5b412258.dynamic.kabel-deutschland.de ([91.65.34.88] helo=diego.localnet) by gloria.sntech.de with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ntou5-0005Nh-BQ; Wed, 25 May 2022 13:10:13 +0200 From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: Guo Ren , Guenter Roeck Subject: Re: [PATCH V9 20/20] riscv: compat: Add COMPAT Kbuild skeletal support Date: Wed, 25 May 2022 13:10:12 +0200 Message-ID: <3418219.V25eIC5XRa@diego> In-Reply-To: <6435704.4vTCxPXJkl@diego> References: <20220322144003.2357128-1-guoren@kernel.org> <20220524220646.GA3990738@roeck-us.net> <6435704.4vTCxPXJkl@diego> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch , linux-s390 , Guo Ren , Parisc List , Arnd Bergmann , Greg Kroah-Hartman , the arch/x86 maintainers , Linux Kernel Mailing List , linux-csky@vger.kernel.org, "open list:BROADCOM NVRAM DRIVER" , Palmer Dabbelt , sparclinux , linux-riscv , linuxppc-dev , Christoph Hellwig , Linux ARM Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Am Mittwoch, 25. Mai 2022, 12:57:30 CEST schrieb Heiko St=FCbner: > Am Mittwoch, 25. Mai 2022, 00:06:46 CEST schrieb Guenter Roeck: > > On Wed, May 25, 2022 at 01:46:38AM +0800, Guo Ren wrote: > > [ ... ] > >=20 > > > > The problem is come from "__dls3's vdso decode part in musl's > > > > ldso/dynlink.c". The ehdr->e_phnum & ehdr->e_phentsize are wrong. > > > > > > > > I think the root cause is from musl's implementation with the wrong > > > > elf parser. I would fix that soon. > > > Not elf parser, it's "aux vector just past environ[]". I think I could > > > solve this, but anyone who could help dig in is welcome. > > >=20 > >=20 > > I am not sure I understand what you are saying here. Point is that my > > root file system, generated with musl a year or so ago, crashes with > > your patch set applied. That is a regression, even if there is a bug > > in musl. >=20 > Also as I said in the other part of the thread, the rootfs seems innocent, > as my completely-standard Debian riscv64 rootfs is also affected. >=20 > The merged version seems to be v12 [0] - not sure how we this discussion > ended up in v9, but I just tested this revision in two variants: >=20 > - v5.17 + this v9 -> works nicely I take that back ... now going back to that build I somehow also run into that issue here ... will investigate more. > - v5.18-rc6 + this v9 (rebased onto it) -> breaks the boot > The only rebase-conflict was with the introduction of restartable > sequences and removal of the tracehook include, but turning CONFIG_RSEQ > off doesn't seem to affect the breakage. >=20 > So it looks like something changed between 5.17 and 5.18 that causes the = issue. >=20 >=20 > Heiko >=20 >=20 > [0] https://lore.kernel.org/all/20220405071314.3225832-1-guoren@kernel.or= g/ >=20 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 307B1C433EF for ; Wed, 25 May 2022 11:11:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ZCEzXxJqLr74ULPvJ688lR90PQo5hcMAl4G3XNtyG6M=; b=kv0f6JiDHyUQWR JWCZHLKWyR6EW4rQhVzjHA5voLzxVC9zLEN3MWVfEUK29QmoX7uVaynaxmfCLq1AK/QvWQx3X/eaj 6As8v+bICg5se2cCU054UoOWSqKQ0wKF3+yvc8JqPQAWzA8ibKpkckllBUSY/MX0/igBHUpAkDoGo c9EpyY3oAVM8n04V17Pjez3uG4/RFZ/T21tGcBkE84/uILJJEHzGdrW6SLoymEkn6sU4KqKp+v+GJ BCGvfwjbzlUbXNbQcJ+66VvuttKpsta0FCXvuy7EmIodnba9wj7b2/mlOX+Tk9Y9thalvLBhGlaZ/ TSZjerDdKrtgS0qGs4XQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ntouN-00Aolu-Kv; Wed, 25 May 2022 11:10:31 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ntouI-00AokO-JT; Wed, 25 May 2022 11:10:28 +0000 Received: from ip5b412258.dynamic.kabel-deutschland.de ([91.65.34.88] helo=diego.localnet) by gloria.sntech.de with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ntou5-0005Nh-BQ; Wed, 25 May 2022 13:10:13 +0200 From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: Guo Ren , Guenter Roeck Cc: Palmer Dabbelt , Arnd Bergmann , Greg Kroah-Hartman , Christoph Hellwig , linux-arch , Linux Kernel Mailing List , linux-riscv , linux-csky@vger.kernel.org, linux-s390 , sparclinux , linuxppc-dev , Parisc List , "open list:BROADCOM NVRAM DRIVER" , Linux ARM , the arch/x86 maintainers , Guo Ren Subject: Re: [PATCH V9 20/20] riscv: compat: Add COMPAT Kbuild skeletal support Date: Wed, 25 May 2022 13:10:12 +0200 Message-ID: <3418219.V25eIC5XRa@diego> In-Reply-To: <6435704.4vTCxPXJkl@diego> References: <20220322144003.2357128-1-guoren@kernel.org> <20220524220646.GA3990738@roeck-us.net> <6435704.4vTCxPXJkl@diego> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220525_041026_673959_4814F1FE X-CRM114-Status: GOOD ( 27.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Am Mittwoch, 25. Mai 2022, 12:57:30 CEST schrieb Heiko St=FCbner: > Am Mittwoch, 25. Mai 2022, 00:06:46 CEST schrieb Guenter Roeck: > > On Wed, May 25, 2022 at 01:46:38AM +0800, Guo Ren wrote: > > [ ... ] > > = > > > > The problem is come from "__dls3's vdso decode part in musl's > > > > ldso/dynlink.c". The ehdr->e_phnum & ehdr->e_phentsize are wrong. > > > > > > > > I think the root cause is from musl's implementation with the wrong > > > > elf parser. I would fix that soon. > > > Not elf parser, it's "aux vector just past environ[]". I think I could > > > solve this, but anyone who could help dig in is welcome. > > > = > > = > > I am not sure I understand what you are saying here. Point is that my > > root file system, generated with musl a year or so ago, crashes with > > your patch set applied. That is a regression, even if there is a bug > > in musl. > = > Also as I said in the other part of the thread, the rootfs seems innocent, > as my completely-standard Debian riscv64 rootfs is also affected. > = > The merged version seems to be v12 [0] - not sure how we this discussion > ended up in v9, but I just tested this revision in two variants: > = > - v5.17 + this v9 -> works nicely I take that back ... now going back to that build I somehow also run into that issue here ... will investigate more. > - v5.18-rc6 + this v9 (rebased onto it) -> breaks the boot > The only rebase-conflict was with the introduction of restartable > sequences and removal of the tracehook include, but turning CONFIG_RSEQ > off doesn't seem to affect the breakage. > = > So it looks like something changed between 5.17 and 5.18 that causes the = issue. > = > = > Heiko > = > = > [0] https://lore.kernel.org/all/20220405071314.3225832-1-guoren@kernel.or= g/ > = _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel