Date: Tue, 27 Nov 2007 16:11:04 -0800 (PST) From: Brian <bri@brianwhalen.net> To: Bruce Cran <bruce@cran.org.uk> Cc: Pieter de Goeje <pieter@degoeje.nl>, Andy Greenwood <greenwood.andy@gmail.com>, Aryeh Friedman <aryeh.friedman@gmail.com>, freebsd-questions@freebsd.org Subject: Re: Upper limit on make -j ? Message-ID: <20071127161036.L1233@numail.brianwhalen.net> In-Reply-To: <474CA4E7.9060401@cran.org.uk> References: <bef9a7920711270025k73cfd90i4d3abe3c6eab6160@mail.gmail.com> <474C3A12.9040107@gmail.com> <200711271657.00637.pieter@degoeje.nl> <474CA4E7.9060401@cran.org.uk>
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Isn't 1000 an unrealistically high value? Brian On Tue, 27 Nov 2007, Bruce Cran wrote: > Pieter de Goeje wrote: >> On Tuesday 27 November 2007, Andy Greenwood wrote: >>> Aryeh Friedman wrote: >>>> Before I file a PR I just want to know if it is worth it to file a PR >>>> for: >>>> >>>> make -j1000 buildworld buildkernel installkernel >>>> seg faulting >>> I thought that the kernel builds couldn't be built using parallel jobs, >>> that it might break something. Is that not true? >> In my experience parallel kernel builds are fine. I think (wild guess) the >> OP is running out of memory and somewhere in make or gcc the return value >> of malloc() isn't checked. >> >> - >> Pieter de Goeje > > I just tried this on my amd64 7.0-BETA3 system with 2GB RAM and swap was > never touched but make still segfaulted during 'make -j1000 buildworld': > > [...] > rm -f .depend > mkdep -f .depend -a [long list of files] > echo libc.so.7: /usr/obj/usr/src/tmp/usr/lib/libgcc.a >> .depend > Segmentation fault (core dumped) > *** Error code 139 > 1 error > *** Error code 2 > 1 error > *** Error code 2 > 1 error > *** Error code 2 > 1 error >> >> gdb -core /usr/obj/usr/src/lib/libc/make.core /usr/bin/make > GNU gdb 6.1.1 [FreeBSD] > [...] > This GDB was configured as "amd64-marcel-freebsd"... > Core was generated by `make'. > Program terminated with signal 11, Segmentation fault. > #0 0x0000000000432067 in __vfprintf () > (gdb) bt > #0 0x0000000000432067 in __vfprintf () > #1 0x0000000000435114 in vfprintf () > #2 0x000000000042d676 in fprintf () > #3 0x0000000000406305 in JobExec (job=0x80123f000, argv=0x7fffffffdb10) > at /usr/src/usr.bin/make/job.c:1321 > #4 0x000000000040702d in JobStart (gn=0x8006d9120, flags=Variable "flags" is > not available. > ) > at /usr/src/usr.bin/make/job.c:1843 > #5 0x000000000040b14c in MakeStartJobs () at > /usr/src/usr.bin/make/make.c:621 > #6 0x000000000040b34c in Make_Run (targs=0x7fffffffe7f0) > at /usr/src/usr.bin/make/make.c:793 > #7 0x000000000040a081 in main (argc=0, argv=0x0) > at /usr/src/usr.bin/make/main.c:1273 > > -- > Bruce > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" >
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