[oe] Pb compilation with BB_NUMBER_THREADS != 1

[MONDON Daniel]

> De : openembedded-devel-bounces at lists.openembedded.org [mailto:openembedded-devel-bounces at lists.openembedded.org] De la part de Gary Thomas
> Envoyé : lundi 4 novembre 2013 20:53
> À : openembedded-devel at lists.openembedded.org
> Objet : Re: [oe] Pb compilation with BB_NUMBER_THREADS != 1
>
> On 2013-11-04 09:44, MONDON Daniel wrote:
> > I'm on a virtual Ubuntu 12.04 server, 16 cores, 8Go RAM free frequency 
> > (max = 163840MHz)
> >
> > With BB_NUMBER_THREADS = '1', the entire project is successfully build in 12h30.
> >
> > With BB_NUMBER_THREADS = '4' (same result with 12)
> >
> > | LD_LIBRARY_PATH=/home/xxxxxxxxxxbuild/tmp-angstrom_v2012_05-eglibc/w
> > | ork/x86_64-linux/perl-native-5.14.2-r0/perl-5.14.2:/home/xxxxxxxxxxb
> > | uild/tmp-angstrom_v2012_05-eglib
> > c/sysroots/x86_64-linux/usr/bin/../lib/pseudo/lib:/home/xxxxxxxxxxbuil
> > d/tmp-angstrom_v2012_05-eglibc/sysroots/x86_64-linux/usr/bin/../lib/ps
> > eudo/lib64  ./perl -f -Ilib pod/buildtoc -- build-toc -q
> > |
> > |       Making x2p stuff
> > | make[1]: Entering directory `/home/xxxxxxxxxxbuild/tmp-angstrom_v2012_05-eglibc/work/x86_64-linux/perl-native-5.14.2-r0/perl-5.14.2/x2p'
> > |
> > | make[1]: Leaving directory `/home/xxxxxxxxxxbuild/tmp-angstrom_v2012_05-eglibc/work/x86_64-linux/perl-native-5.14.2-r0/perl-5.14.2/x2p'
> > | pod/buildtoc: no pods at pod/buildtoc line 305.
> > | make: *** [pod/perltoc.pod] Error 255
> > | ERROR: oe_runmake failed
> > NOTE: package perl-native-5.14.2-r0: task do_compile: Failed
> > NOTE: package perl-5.14.2-r6: task do_fetch: Started
> > NOTE: package perl-5.14.2-r6: task do_fetch: Succeeded
> > ERROR: Task 1239 (/home/xxxxxxxxxxsources/openembedded-core/meta/recipes-devtools/perl/perl-native_5.14.2.bb, do_compile) failed with exit code '1'
> > NOTE: Tasks Summary: Attempted 4055 tasks of which 4053 didn't need to be rerun and 1 failed.
> >
> > Summary: 1 task failed:
> >    
> > /home/xxxxxxxxxxsources/openembedded-core/meta/recipes-devtools/perl/p
> > erl-native_5.14.2.bb, do_compile
> > Summary: There was 1 ERROR message shown, returning a non-zero exit code.
> >
> > Known problem ?
> > Any solution ?
>
> More details are probably needed to be able to help much.
>
> Since this is a virtual server, have you tried reducing the number of cores (not BB threads)?  I routinely use this on real Ubuntu-12.04/x86_84 with an Core2-duo (2x2 cores) with > > BB_NUMBER_THREADS=4 with no problems.

In fact, with BB_NUMBER_THREADS = '1' and PARALLEL_MAKE = "-j9" compilation is ok.
With BB_NUMBER_THREADS = '4' and PARALLEL_MAKE = "-j16"

I will immediately test again with BB_NUMBER_THREADS = '4' and PARALLEL_MAKE = "-j9"

Thanks,
Daniel.
(CPU = Armv7l kernel 3.2.30)


> ------------------------------------------------------------
> Gary Thomas                 |  Consulting for the
> MLB Associates              |    Embedded world
> ------------------------------------------------------------
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