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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!howland.erols.net!vixen.cso.uiuc.edu!usenet From: Vlad <roubtsov@uiuc.edu> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Recompile with maxusers 100 has no effect? Can't run more then 38 processes? Date: Thu, 06 Mar 1997 00:37:24 -0600 Organization: Baphomet's Throne Lines: 47 Message-ID: <331E6624.41C67EA6@uiuc.edu> References: <5fiekj$4d4$1@nntp2.ba.best.com> <331CC9E0.41C67EA6@troutmask.apl.washington.edu> NNTP-Posting-Host: cfc2.mrl.uiuc.edu Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.0 (X11; I; FreeBSD 2.1.5-RELEASE i386) Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:36615 Steven G. Kargl wrote: > > Zenin wrote: > > > > In trying to recompile 2.1.7 the maxusers options seems to have no > > effect. I've set it to 100 and still if I run more then 38 > > processes I get the error: > > "bash: fork: Resource temporarily unavailable" > > > > Might I be hitting some silly max process per user quota? -Almost > > all 38 are owned by one user, me. If so, where can I adjust it or > > turn it off? > > kargl[279] limit > cputime unlimited > filesize unlimited > datasize 65536 kbytes > stacksize 8192 kbytes > coredumpsize unlimited > memoryuse 24576 kbytes > descriptors 64 > memorylocked 10106 kbytes > maxproc 100 > > Yes, you're hitting a shell imposed limit. The above is for tcsh. > Bash probably has some type of limit. You might try reading the > man page or info file. I had essentially the same question a while ago and someone pointed to the right place: it is not set up in the kernel config file but rather gets compiled in. Namely, observe the following extracts from <sys/params.h>: ... #define MAXUPRC CHILD_MAX /* max simultaneous processes */ ... and from <sys/syslimits.h>: ... #ifndef CHILD_MAX #define CHILD_MAX 40 /* max simultaneous processes */ #endif ... This is where your 38 comes from. Rather than recompile the kernel, a "limit" (appropriate for your login shell) command in your .*rc file may suffice. Vlad.