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. B 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.
$ 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
$
I am
> considering giving it a try on my laptop with less memory...
>
>>
>> At the bottom of this lengthy bug report is the response of the dev
>> who closed it.
>>
>> Jeff Ross
>>
>>
>>
>
>
>
> --
> If reproducibility may be a problem conduct the
> test only once.
