Date: Fri, 1 Mar 2002 04:03:01 -0700 (MST) From: Jason Barnes <jbarnes@c3po.lpl.arizona.edu> To: freebsd-questions@freebsd.org Cc: rbeyer@lpl.arizona.edu, Wayne Barnes <wayne@barnes1.wustl.edu> Subject: out of memory, but there's plenty left! Message-ID: <20020301035644.E11194-100000@c3po.lpl.arizona.edu>
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I'm running into a problem with my g++ code running out of memory that might or might not be FreeBSD's fault. The program says, "out of memory" and dumps core when it gets to about 512MB in size, but there is plenty of RAM and swap space left. Here is the output from 'top' just before it crashes: last pid: 154; load averages: 0.66, 0.21, 0.08 up 0+00:02:47 03:55:28 26 processes: 2 running, 24 sleeping Mem: 485M Active, 13M Inact, 45M Wired, 304K Cache, 61M Buf, 459M Free Swap: 5120M Total, 5120M Free PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND 144 jbarnes 47 0 490M 483M RUN 1:04 93.29% 91.41% mosaicer 154 jbarnes 34 0 1896K 1036K RUN 0:00 11.00% 0.54% top 73 root 2 0 2216K 1592K select 0:00 0.00% 0.00% sshd 91 root 2 0 904K 508K select 0:00 0.00% 0.00% moused 136 jbarnes 18 0 1316K 952K pause 0:00 0.00% 0.00% tcsh 62 root 2 0 940K 644K select 0:00 0.00% 0.00% syslogd 112 root 2 0 2076K 1724K select 0:00 0.00% 0.00% httpd 148 jbarnes 18 0 1312K 944K pause 0:00 0.00% 0.00% tcsh 124 root 10 0 1196K 880K wait 0:00 0.00% 0.00% login 123 root 10 0 1196K 880K wait 0:00 0.00% 0.00% login 77 root 2 0 2504K 2024K select 0:00 0.00% 0.00% sendmail 126 root 3 0 948K 644K ttyin 0:00 0.00% 0.00% getty 69 root 2 0 1056K 776K select 0:00 0.00% 0.00% inetd 129 root 3 0 948K 644K ttyin 0:00 0.00% 0.00% getty 125 root 3 0 948K 644K ttyin 0:00 0.00% 0.00% getty 130 root 3 0 948K 644K ttyin 0:00 0.00% 0.00% getty 127 root 3 0 948K 644K ttyin 0:00 0.00% 0.00% getty 71 root 10 0 972K 712K nanslp 0:00 0.00% 0.00% cron I am fairly certain that the program is NOT simply running away and asking for 12GB of RAM at this point in the program because I have been tweaking it, trying to get it to use less memory and as I have done so it crashes at later and later points in the program (thus implying an incremental memory request is sinking the code). Is this an operating system related issue? I am running FreeBSD-4.5-RELEASE. Thanks in advance for any light you may be able to shed on the issue! - Jason **** Jason Wayne Barnes **** -- "Active on the internet." **** To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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