From owner-freebsd-current@freebsd.org Tue May 9 19:10:15 2017 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A7E76D664DB for ; Tue, 9 May 2017 19:10:15 +0000 (UTC) (envelope-from markmi@dsl-only.net) Received: from asp.reflexion.net (outbound-mail-211-196.reflexion.net [208.70.211.196]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 5D7D4D1A for ; Tue, 9 May 2017 19:10:15 +0000 (UTC) (envelope-from markmi@dsl-only.net) Received: (qmail 1858 invoked from network); 9 May 2017 18:13:38 -0000 Received: from unknown (HELO rtc-sm-01.app.dca.reflexion.local) (10.81.150.1) by 0 (rfx-qmail) with SMTP; 9 May 2017 18:13:38 -0000 Received: by rtc-sm-01.app.dca.reflexion.local (Reflexion email security v8.40.0) with SMTP; Tue, 09 May 2017 14:10:14 -0400 (EDT) Received: (qmail 22038 invoked from network); 9 May 2017 18:10:14 -0000 Received: from unknown (HELO iron2.pdx.net) (69.64.224.71) by 0 (rfx-qmail) with (AES256-SHA encrypted) SMTP; 9 May 2017 18:10:14 -0000 Received: from [192.168.1.106] (c-76-115-7-162.hsd1.or.comcast.net [76.115.7.162]) by iron2.pdx.net (Postfix) with ESMTPSA id A5E57EC8B8D; Tue, 9 May 2017 11:10:13 -0700 (PDT) From: Mark Millard Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Subject: A head -r317820 incremental buildworld race: kvm_geterr_test failures for -j16 but works without -j Message-Id: Date: Tue, 9 May 2017 11:10:12 -0700 Cc: Bryan Drewery To: FreeBSD Toolchain , FreeBSD Current X-Mailer: Apple Mail (2.3273) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 May 2017 19:10:15 -0000 I've had reason to be experimenting with libkvm recently and have repeatedly run into the following when doing buildworld with -j16. (I tend to run full buildworlds even for well-localized changes.) The context is having run buildworld to completion before so the update is incremental. --- kvm_geterr_test --- kvm_geterr_test.o: In function = `atfu_kvm_geterr_negative_test_NULL_body': /usr/src/lib/libkvm/tests/kvm_geterr_test.c:56: undefined reference to = `errbuf_has_error' kvm_geterr_test.o: In function = `atfu_kvm_geterr_positive_test_no_error_body': . . . --- kvm_geterr_test --- /usr/src/lib/libkvm/tests/kvm_geterr_test.c:108: undefined reference to = `errbuf_clear' /usr/src/lib/libkvm/tests/kvm_geterr_test.c:109: undefined reference to = `errbuf' /usr/src/lib/libkvm/tests/kvm_geterr_test.c:109: undefined reference to = `errbuf' /usr/src/lib/libkvm/tests/kvm_geterr_test.c:110: undefined reference to = `errbuf_has_error' kvm_geterr_test.o: In function = `atfu_kvm_geterr_positive_test_error_body': /usr/src/lib/libkvm/tests/kvm_geterr_test.c:73: undefined reference to = `errbuf_clear' /usr/src/lib/libkvm/tests/kvm_geterr_test.c:74: undefined reference to = `errbuf' /usr/src/lib/libkvm/tests/kvm_geterr_test.c:74: undefined reference to = `errbuf' /usr/src/lib/libkvm/tests/kvm_geterr_test.c:75: undefined reference to = `errbuf_has_error' /usr/src/lib/libkvm/tests/kvm_geterr_test.c:80: undefined reference to = `errbuf_has_error' By contrast if I omit -j completely the incremental buildworld runs to completion just fine. (rm -rf of the past buildworld and so building from scratch also works.) The context for my activity happens to use: # more = ~/sys_build_scripts.amd64-host/make_powerpcvtsc_nodebug_gcc421_bootstrap_c= lang-amd64-host.sh=20 kldload -n filemon && \ script = ~/sys_typescripts/typescript_make_powerpcvtsc_nodebug_gcc421_bootstrap_cla= ng-amd64-host-$(date +%Y-%m-%d:%H:%M:%S) \ env __MAKE_CONF=3D"/root/src.configs/make.conf" SRCCONF=3D"/dev/null" = SRC_ENV_CONF=3D"/root/src.configs/src.conf.powerpc-gcc421-bootstrap-clang.= amd64-host" \ WITH_META_MODE=3Dyes \ MAKEOBJDIRPREFIX=3D"/usr/obj/powerpcvtsc_clang_gcc421" \ make $* # more = /root/src.configs/src.conf.powerpc-gcc421-bootstrap-clang.amd64-host TO_TYPE=3Dpowerpc # KERNCONF=3DGENERICvtsc-NODBG TARGET=3D${TO_TYPE} .if ${.MAKE.LEVEL} =3D=3D 0 TARGET_ARCH=3D${TO_TYPE} .export TARGET_ARCH .endif # WITH_CROSS_COMPILER=3D WITHOUT_SYSTEM_COMPILER=3D # WITHOUT_LIBCPLUSPLUS=3D WITH_BINUTILS_BOOTSTRAP=3D WITH_ELFTOOLCHAIN_BOOTSTRAP=3D WITHOUT_CLANG_BOOTSTRAP=3D WITHOUT_CLANG=3D WITHOUT_CLANG_IS_CC=3D WITHOUT_CLANG_FULL=3D WITHOUT_CLANG_EXTRAS=3D WITHOUT_LLD=3D WITHOUT_LLDB=3D # WITH_BOOT=3D WITHOUT_LIB32=3D # WITH_GCC_BOOTSTRAP=3D WITH_GCC=3D WITH_GCC_IS_CC=3D WITH_GNUCXX=3D # NO_WERROR=3D #WERROR=3D MALLOC_PRODUCTION=3D # WITH_REPRODUCIBLE_BUILD=3D WITH_DEBUG_FILES=3D =3D=3D=3D Mark Millard markmi at dsl-only.net