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 B838CC001B0 for ; Fri, 14 Jul 2023 20:02:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233193AbjGNUCN (ORCPT ); Fri, 14 Jul 2023 16:02:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51780 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235873AbjGNUCM (ORCPT ); Fri, 14 Jul 2023 16:02:12 -0400 Received: from mout.kundenserver.de (mout.kundenserver.de [217.72.192.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AD68926B7 for ; Fri, 14 Jul 2023 13:02:02 -0700 (PDT) Received: from leknes.fjasle.eu ([46.142.49.15]) by mrelayeu.kundenserver.de (mreue108 [212.227.15.183]) with ESMTPSA (Nemesis) id 1MiJdI-1piL992lza-00fOwG; Fri, 14 Jul 2023 22:01:49 +0200 Received: by leknes.fjasle.eu (Postfix, from userid 1000) id 30D403E8B2; Fri, 14 Jul 2023 22:01:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=fjasle.eu; s=mail; t=1689364908; bh=xyc8fC9vZQ81HzZlZTY6/awnBVcCEiA9TYAhcIsM2bM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=w0KXmgkZvrBwJvIKI0YEw776YMU0IbRlj3YqL+Fx7PzpwNhMAZeJRKHB6Go5KKiA8 jXPtpRO2ejRF1tgkPZlaq5HjX7xAslP92jx96J4ciOLJhRNb1V2I/iQdqFz3+tfrd3 KcVcN4WdHSyWSizGHMokMuQ/kHqVaEsHLGIxi7Go= Date: Fri, 14 Jul 2023 22:01:48 +0200 From: Nicolas Schier To: Jiri Slaby Cc: Masahiro Yamada , Nathan Chancellor , Nick Desaulniers , Linux Kbuild mailing list Subject: Re: con3270.o is built twice, leading to errors Message-ID: References: <7b663b86-4df0-c3df-18a7-e4f47f900be4@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7b663b86-4df0-c3df-18a7-e4f47f900be4@kernel.org> X-Provags-ID: V03:K1:pV5V3DLpwyD98Ho5U1CFxCZBiqVXLxk358xk5YsnB6WDdFl4dJY tccSnRDPoRxgww9xdRb7f7UfmZFLi9fkJbHZIYzOC9Wkc8pSwXKKIRQ75HIQg/E73wrivUm kCkXBDIauRwJicmyr4Kq+qpky1BttcDE1npb0o/+BrrWnM5gaV5+Lq+rPBNKBjYr1/VP0fz T8rYEWyskPZh1gNlt7TuA== UI-OutboundReport: notjunk:1;M01:P0:zSlO4bpPGKI=;bMMJq6X8G5DvivsVCwZOoUAmLdn Z9GujcvodC1n1ZVscscnx37cRNDk5npKRhsrgayxH7IXY769ySvp4yW37AdFi6LcWyfyNXHUN y1YPpr1cVPB6qhJsx9iNXGLSBY1Gi5FXJOPq1oNPPsWrWFzNKF0gkL0PR9AlWEqiET13W51ZY TUsFqs5Dtgaad0v46c4e4ebdXZ9HKwpxHw7dvZq59RNn6+mNkQHSeFeDgv+9Syktmvt08oaoh j1v8jlTk37mwX/MGy6JPr53LkvZtWFiIBcqv6Cazf6Ci9PiHU7AGVkSAXylZvJ1OvY/0ylrQP PFNfrXrpSyp+LLHdeonPDyepJX8agE/fE4XlNgpUKda8L3fBus0YJwsG85wSVW2d5ARqgs3JD VzJ4DU+Hjr/eetoytkHCTj8HESOuOdpSYkjI/Quw6vLnahaOHj1e7OsN97EJVLQ+wE7CIKiTt ef9Wuwfwmtm8paznwNpge/hTQ7hQ0eEYIE680PfUxniu/KK6CkyUcKbOOCrI8j4atYLWe4esX U8puoQ0a+iX01xKN2q84yt5bqgNnL4h7UpYHbIEHmsSqVdG8qk3r3s98r7QFHuuJ+WVZKVzAi 9U92dQBdGhun5QrqVzsr2Gne3VpiItCxxGkVkUJUemgm3VldxOe4HUveu+8RIvYvtzbitP0Nt Ke66HXEenaAi/pfaMlxW7Uv+l4Ofmjq3bZ9xxWmQKw== Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org On Fri, Jul 14, 2023 at 08:33:46AM +0200 Jiri Slaby wrote: > Hi, > > if I create an s390 defconfig: > mkdir /tmp/s390/ > make O=/tmp/s390/ ARCH=s390 CROSS_COMPILE=s390x-suse-linux- defconfig > > And then if I try for a couple times: > make O=/tmp/s390/ -j17 ARCH=s390 CROSS_COMPILE=s390x-suse-linux- > drivers/s390/char/con3270.o > > Most of the time, I get: > make[1]: Entering directory '/tmp/s390' > GEN Makefile > CALL /home/latest/linux/scripts/checksyscalls.sh > CC drivers/s390/char/con3270.o > CC drivers/s390/char/con3270.o > > I.e. it is built twice. > > Sometimes, I also get an error: > fixdep: error opening file: drivers/s390/char/.con3270.o.d: No such file or > directory > make[4]: *** [/home/latest/linux/scripts/Makefile.build:243: > drivers/s390/char/con3270.o] Error 2 > make[4]: *** Deleting file 'drivers/s390/char/con3270.o' > make[3]: *** [/home/latest/linux/scripts/Makefile.build:477: drivers] > > Obviously due to some race. > > Any ideas what is going on? Which reason does compiling with V=2 reveal? Kind regards, Nicolas