I am succesfully relinking kernels on a landisk with 128MB of ram. I think this conversation is ridiculous:
If a machine is too small, then it is too small. Do I have to paypal a $0.05 to some users? Nick Holland <[email protected]> wrote: > > > > On 2020-04-10 10:10, Stefan Sperling wrote: > > On Fri, Apr 10, 2020 at 09:35:16AM -0400, Nick Holland wrote: > >> Question about kernel randomization and relinking... > >> > >> It seems to take a fair amount of RAM, at least for systems that > >> are forced to run i386. And I mean real RAM -- swap doesn't seem > >> to cut it. > >> > >> I discovered that several machines I was intending on using for > >> minimal purposes just couldn't complete relinking. So I built a > >> VM and started playing with the RAM. > >> > >> Built with 1G RAM, default was a 1.2G swap, worked fine. > >> Reduced to 256MB RAM, Kernel failed to relink. As with my old > >> junk. > >> > >> The magic number seemed to be between 320MB (failed) and 384MB > >> (worked) of RAM. Ok, fine. > > > > FWIW, my soekris net5501 with 256MB of RAM and 512MB swap does manage > > to relink a kernel (on 6.6 + syspatches). > > Whoops. Guess I should have mentioned, that was -current, as of > yesterday > OpenBSD 6.7-beta (GENERIC.MP) #110: Thu Apr 9 01:20:52 MDT 2020 > [email protected]:/usr/src/sys/arch/i386/compile/GENERIC.MP > real mem = 334970880 (319MB) > avail mem = 313077760 (298MB) > > and probably a couple weeks ago for the real (old) hw. > > I'm curious if your Soekris can handle 6.7-beta. > > Nick. > > > > > > # ls -l relink.log > > -rw-r--r-- 1 root wheel - 507B Apr 10 13:33 relink.log > > # cat relink.log > > (SHA256) /bsd: OK > > LD="ld" LDFLAGS="-g" sh makegap.sh 0xcccccccc gapdummy.o > > ld -T ld.script -X --warn-common -nopie -o newbsd ${SYSTEM_HEAD} vers.o > > ${OBJS} > > text data bss dec hex > > 11815507 267748 1101824 13185079 c93037 > > mv newbsd newbsd.gdb > > ctfstrip -S -o newbsd newbsd.gdb > > rm -f bsd.gdb > > mv -f newbsd bsd > > install -F -m 700 bsd /bsd && sha256 -h /var/db/kernel.SHA256 /bsd > > > > Kernel has been relinked and is active on next reboot. > > > > SHA256 (/bsd) = > > a940ce989d708e5b87a1186ee81bd624066baeabe67b8405b52e4fa2988b565 > > > > > > # dislabel -pm wd0 > > # size offset fstype [fsize bsize cpg] > > a: 353.0M 64 4.2BSD 2048 16384 5624 # / > > b: 511.1M 722944 swap # none > > c: 15280.0M 0 unused > > d: 444.8M 1769728 4.2BSD 2048 16384 7116 # /tmp > > e: 607.7M 2680576 4.2BSD 2048 16384 9685 # /var > > f: 1703.0M 3925216 4.2BSD 2048 16384 12958 # /usr > > g: 505.8M 7412896 4.2BSD 2048 16384 8060 # > > /usr/X11R6 > > h: 1632.9M 8448736 4.2BSD 2048 16384 12958 # > > /usr/local > > i: 1381.2M 11792960 4.2BSD 2048 16384 12958 # /usr/src > > j: 5282.4M 14621632 4.2BSD 2048 16384 12958 # /usr/obj > > k: 2850.9M 25439936 4.2BSD 2048 16384 12958 # /home > > >
