On 2010/12/14 at 20:32, Tomas Bodzar <tomas.bod...@gmail.com> wrote: > > On Tue, Dec 14, 2010 at 1:03 PM, Denise H. G. <darc...@gmail.com> wrote: >> On 2010/12/14 at 02:45, Jeff Ross <jr...@openvistas.net> wrote: >>> >>> On 12/13/10 09:52, Nick Jones wrote: >>>> On Mon, 13 Dec 2010 at 22:55:59 +0800, Denise H. G. wrote: >>>>>> FWIW, I'm running -current with BIGMEM enabled on my X200 and it's >>>>>> running fine. I've attached the output of dmesg and pcidump -v for >>>>>> reference. >>>>>> >>>>>> Kernel is generic otherwise, just renamed. >>>>>> >>>>> >>>>> Great! Did you recompile your kernel? Or just modified your kernel by >>>>> using config(8) ? I am rather new to OpenBSD... >>>> >>>> You need to amend: >>>> >>>> /usr/src/sys/arch/amd64/amd64/machdep.c >>>> >>>> And change the relevant line (1183 in the -current source I checked out >>>> yesterday) so that it says: >>>> >>>> int bigmem = 1; >>>> >>>> Then recompile your kernel as per the FAQ, reboot, and cross your fingers. >>>> Report your success (or failure) here. >>>> >>> >>> Be aware that you are treading on unproven and unsupported ground, and >>> the devs are not interested in hearing about bigmem related problems. >>> >>> Here is a PR I submitted not to long ago that was immediately closed >>> because it was based on a bigmem kernel: >>> >>> http://cvs.openbsd.org/cgi-bin/query-pr-wrapper?full=yes&numbers=6453 >> >> Thanks. >> >> I've switched to FreeBSD for my desktop with 4G memory... > > Unnecessary fear : > > $ sysctl kern.version > kern.version=OpenBSD 4.8-current (GENERIC.MP) #547: Tue Dec 7 23:16:34 MST 2010 > dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC.MP > > $ > > load averages: 0.76, 1.14, 1.06 > > > hostname 13:27:52 > 49 processes: 1 running, 45 idle, 1 zombie, 2 on processor > CPU0 states: 2.0% user, 0.0% nice, 1.6% system, 0.0% interrupt, 96.4% idle > CPU1 states: 3.8% user, 0.0% nice, 1.2% system, 0.0% interrupt, 95.0% idle > Memory: Real: 321M/610M act/tot Free: 2651M Swap: 0K/8189M used/tot > > $ dmesg | grep mem > RTC BIOS diagnostic error 11<memory_size> > real mem = 3487125504 (3325MB) > avail mem = 3420016640 (3261MB) > spdmem0 at iic0 addr 0x50: 2GB DDR3 SDRAM PC3-10600 > spdmem1 at iic0 addr 0x52: 2GB DDR3 SDRAM PC3-10600 > kqemu: kqemu version 0x00010300 loaded, max locked mem=1702696kB > $ > > My computer is more then 90% of time idle (regarding CPU) and my memory > (even with bufcachepercent=40) is all the time more then 400MB free even that > I'm using a LOT of apps at same time including two or three VM's in Qemu. >
Thanks! Then I have to learn now how to build a custom kernel on OpenBSD, which is the first time for me:) > > $ vmstat 1 10 > procs memory page disks traps cpu > r b w avm fre flt re pi po fr sr sd0 cd0 int sys cs us sy id > 1 0 0 329432 2714044 762 0 0 0 0 0 6 0 47 14706 775 8 3 89 > 1 0 0 329544 2713900 67 0 0 0 0 0 0 0 35 3206 455 3 0 97 > 1 0 0 329544 2713900 23 0 0 0 0 0 0 0 10 2412 319 0 0 100 > 1 0 0 329544 2713900 33 0 0 0 0 0 0 0 3 2386 305 0 0 100 > 1 0 0 329464 2713980 527 0 0 0 0 0 0 0 4 2568 313 6 0 94 > 2 0 0 329464 2713980 58 0 0 0 0 0 0 0 3 2562 327 1 0 99 > 0 0 0 329464 2713980 23 0 0 0 0 0 0 0 47 2907 404 1 0 99 > 1 0 0 329452 2713992 30 0 0 0 0 0 0 0 58 4672 451 2 0 98 > 1 0 0 329636 2713808 1021 0 0 0 0 0 0 0 69 7632 465 5 4 91 > 1 0 0 329644 2713800 523 0 0 0 0 0 0 0 3 2504 308 5 0 95 > $ > > -- If reproducibility may be a problem conduct the test only once.
