Date: Sun, 13 May 2007 21:34:46 -0700 From: "Kevin Downey" <redchin@gmail.com> To: "freebsd-questions@freebsd.org List" <freebsd-questions@freebsd.org> Subject: mdconfig -t malloc limits Message-ID: <1d3ed48c0705132134t4a677c14kfca30c5ee10881f8@mail.gmail.com>
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I am building a shiny new desktop, the only thing I don't have right now is the hard drive, so I have been booting a minimal system off a flash drive. The box has two gigs of ram. if I try to create a malloc backed md device bigger then 300mb(this is not the exact limit but it is between 300mb and 400mb) it fails. If I use -o reserve the mdconfig command fails and if I don't then when I try and use that space FreeBSD crashes. It seems like there should be enough unused memory to create a 1gb malloc backed md. I have no swap because the only drive is a flash drive. / is mounted read only. /tmp and /var are 124mb malloc backed md devices What is the deal? Is this some tunable limit? Should I fire up memtest? FreeBSD mona.nexus.lan 6.2-RELEASE FreeBSD 6.2-RELEASE #0: Fri Jan 12 11:05:30 UTC 2007 root@dessler.cse.buffalo.edu:/usr/obj/usr/src/sys/SMP i386 -- "The biggest problem with communication is the illusion that it has occurred." G. B. Shaw www.thelastcitadel.com
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