Date: Wed, 13 Mar 2002 13:56:32 +0100 From: Jens Rehsack <rehsack@liwing.de> To: Miguel Mendez <flynn@energyhq.homeip.net> Cc: stable@freebsd.org, questions@freebsd.org Subject: Re: make -jx fails Message-ID: <3C8F4C80.EB1FA78F@liwing.de> References: <3C8F3828.3265D298@liwing.de> <20020313133129.A21646@energyhq.homeip.net>
next in thread | previous in thread | raw e-mail | index | archive | help
Hi Miguel, Miguel Mendez wrote: > > On Wed, Mar 13, 2002 at 12:29:44PM +0100, Jens Rehsack wrote: > > Hi Jens, > > > I tried multiple times to build world, kernel or ports using > > "make -j2" or "make -j4". In most cases the results were useless, > > because make seems to run sequential steps parallel. > > > > A "make -j2 install clean" in a port directory sometimes makes > > install and clean simultanous. This is the best way to reproduce > > it - buildworld takes to long on this system. > > On my system (dual PIII 550) I usually do make -j8 buildworld without > any problem. For kernel, any value greater than 3 fails, so I usually do > a make -j3 buildkernel. For ports I don't use -j at all. I have read often, that people have problems using -j8 or so on fast machines. That's why I assume a timing problem on my 'slow' machine buildkernel using -jx, x > 1 will fail ever. I read there could be a problem with the steps are made. If I make the steps by hand (config, make depend, make -j2), it should work (above in this list). This i a solution, but could not be THE solution. > Your builworld should work with -j2 or 4, I've run -j3 on a single K6-2 > box without problems too. Sometimes works, sometimes don't. I don't know... > What kind of disks does that machine have? buildworld is pretty io > intensive, having fast disks makes quite a difference. I have 4 1GB-SCSI disks. src + dest + tmp are on different harddisks. So long Jens To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3C8F4C80.EB1FA78F>