Uwe Kleine-König wrote: > Hi Sam, > > Sam Ravnborg wrote: > > On Tue, Feb 05, 2008 at 03:23:43PM +0100, Uwe Kleine-König wrote: > > > Hello, > > > > > > using v2.6.24-7284-g9ef9dc6 (plus some patches that shouldn't affect > > > kbuild) I have problems with parallel building (make -j 3). Sometimes > > > the build fails, the error isn't always the same. > > > > Hi Uwe. > > > > Is this new behaviour? > I'm not sure, because I only recently created some scripts that use -j 3 > and use them frequently. I'd say it started around 2.6.23 ... > > > If it is it would be nice if you could bisect when it happened. > > One suspect could be: > > 18c32dac75b187d1a4e858f3cfdf03e844129f5e > > or > > 0b35786d77ba4037f181982cc8ca20a7a3bf0fd2 > ... which could match the latter. > > > but they should only be relevant when you use O=... > I do use O=... > > I will try to bisect it and let you know. With e.g. v2.6.21 it's even worse. I get for each build: ... CRC32c (Castagnoli, et al) Cyclic Redundancy-Check (LIBCRC32C) [N/m/y/?] n # # configuration written to .config # GEN /home/ukleinek/tmp/buildtest/obj/Makefile GEN /home/ukleinek/tmp/buildtest/obj/Makefile GEN /home/ukleinek/tmp/buildtest/obj/Makefile scripts/kconfig/conf -s arch/arm/Kconfig scripts/kconfig/conf -s arch/arm/Kconfig scripts/kconfig/conf -s arch/arm/Kconfig CHK include/linux/version.h UPD include/linux/version.h SYMLINK include/asm-arm/arch -> include/asm-arm/arch-ns9xxx CHK include/linux/version.h CHK include/linux/version.h GEN /home/ukleinek/tmp/buildtest/obj/Makefile GEN /home/ukleinek/tmp/buildtest/obj/Makefile CHK include/linux/utsrelease.h UPD include/linux/utsrelease.h make[2]: `/home/ukleinek/tmp/buildtest/linux-2.6/include/asm-arm/mach-types.h' is up to date. Using /home/ukleinek/tmp/buildtest/linux-2.6 as source for kernel /home/ukleinek/tmp/buildtest/linux-2.6 is not clean, please run 'make mrproper' in the '/home/ukleinek/tmp/buildtest/linux-2.6' directory. make[1]: *** [prepare3] Error 1 make: *** [uImage] Error 2 make: *** Waiting for unfinished jobs.... CHK include/linux/utsrelease.h make[2]: `/home/ukleinek/tmp/buildtest/linux-2.6/include/asm-arm/mach-types.h' is up to date. Using /home/ukleinek/tmp/buildtest/linux-2.6 as source for kernel /home/ukleinek/tmp/buildtest/linux-2.6 is not clean, please run 'make mrproper' in the '/home/ukleinek/tmp/buildtest/linux-2.6' directory. make[1]: *** [prepare3] Error 1 make: *** [zImage] Error 2 GEN /home/ukleinek/tmp/buildtest/obj/Makefile CHK include/linux/utsrelease.h make[2]: `/home/ukleinek/tmp/buildtest/linux-2.6/include/asm-arm/mach-types.h' is up to date. Using /home/ukleinek/tmp/buildtest/linux-2.6 as source for kernel /home/ukleinek/tmp/buildtest/linux-2.6 is not clean, please run 'make mrproper' in the '/home/ukleinek/tmp/buildtest/linux-2.6' directory. make[1]: *** [prepare3] Error 1 make: *** [Image] Error 2 make: INTERNAL: Exiting with 4 jobserver tokens available; should be 3! The result is the same for v2.6.22 and v2.6.23. Bisecting this yielded 0b35786d77ba4037f181982cc8ca20a7a3bf0fd2. The script used for building is: #! /bin/bash -e seq -w 1 100 | while read i; do echo "********************* run $i *************************"; rm -rf ../obj; mkdir ../obj; delmake O=../obj ns9xxx_defconfig; if ! delmake O=../obj -j 3 uImage zImage Image; then break; fi; done; Best regards Uwe -- Uwe Kleine-König, Software Engineer Digi International GmbH Branch Breisach, Küferstrasse 8, 79206 Breisach, Germany Tax: 315/5781/0242 / VAT: DE153662976 / Reg. Amtsgericht Dortmund HRB 13962 - To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
