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Old 14th July 2009
gosha gosha is offline
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Default openbsd does not see all ram (4g)

I've just put a second 2g ram stick into my new laptop, but althought bios reports is fine (4096M), OpenBSD only reports
Code:
OpenBSD 4.5 (GENERIC.MP) #108: Sat Feb 28 14:58:58 MST 2009
    deraadt@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC.MP
cpu0: Intel(R) Core(TM)2 Duo CPU P8400 @ 2.26GHz ("GenuineIntel" 686-class) 2.27 GHz
cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,VMX,SMX,EST,TM2,CX16,xTPR
real mem  = 3176427520 (3029MB)
avail mem = 3077128192 (2934MB)
mainbus0 at root
bios0 at mainbus0: AT/286+ BIOS, date 05/18/09, BIOS32 rev. 0 @ 0xfdc80, SMBIOS rev. 2.4 @ 0xe0010 (68 entries)
bios0: vendor LENOVO version "6DET53WW (3.03 )" date 05/18/2009
bios0: LENOVO 7457AC1
acpi0 at bios0: rev 2
acpi0: tables DSDT FACP SSDT ECDT APIC MCFG HPET SLIC BOOT ASF! SSDT TCPA DMAR SSDT SSDT SSDT
acpi0: wakeup devices LID_(S3) SLPB(S3) IGBE(S4) EXP0(S4) EXP1(S4) EXP2(S4) EXP3(S4) USB0(S3) USB3(S3) USB5(S3) EHC0(S3) EHC1(S3) HDEF(S4)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: apic clock running at 265MHz
cpu1 at mainbus0: apid 1 (application processor)
cpu1: Intel(R) Core(TM)2 Duo CPU P8400 @ 2.26GHz ("GenuineIntel" 686-class) 2.27 GHz
cpu1: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,VMX,SMX,EST,TM2,CX16,xTPR
ioapic0 at mainbus0: apid 1 pa 0xfec00000, version 20, 24 pins
ioapic0: misconfigured as apic 2, remapped to apid 1
acpihpet0 at acpi0: 14318179 Hz
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (AGP_)
acpiprt2 at acpi0: bus 2 (EXP0)
acpiprt3 at acpi0: bus 3 (EXP1)
acpiprt4 at acpi0: bus -1 (EXP2)
acpiprt5 at acpi0: bus 5 (EXP3)
acpiec0 at acpi0
acpicpu0 at acpi0: C3, C2
acpicpu1 at acpi0: C3, C2
acpitz0 at acpi0: critical temperature 127 degC
acpitz1 at acpi0: critical temperature 104 degC
acpibtn0 at acpi0: LID_
acpibtn1 at acpi0: SLPB
acpibat0 at acpi0: BAT0 model "42T4646" serial  4612 type LION oem "SANYO"
acpibat1 at acpi0: BAT1 not present
acpiac0 at acpi0: AC unit online
acpithinkpad0 at acpi0
acpidock at acpi0 not configured
acpivideo at acpi0 not configured
acpivideo at acpi0 not configured
bios0: ROM list: 0xc0000/0x10000! 0xd0000/0x1000 0xd1000/0x1000 0xd2000/0x1000 0xde000/0x1800! 0xe0000/0x10000
cpu0: unknown Enhanced SpeedStep CPU, msr 0x0617482106004821
cpu0: using only highest and lowest power states
cpu0: Enhanced SpeedStep 19200 MHz (1228 mV): speeds: 19200, 1600 MHz
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
pchb0 at pci0 dev 0 function 0 "Intel GM45 Host" rev 0x07
vga1 at pci0 dev 2 function 0 "Intel GM45 Video" rev 0x07
wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
intagp0 at vga1
agp0 at intagp0: aperture at 0xd0000000, size 0x10000000
inteldrm0 at vga1: apic 1 int 16 (irq 11)
drm0 at inteldrm0
"Intel GM45 Video" rev 0x07 at pci0 dev 2 function 1 not configured
"Intel GM45 HECI" rev 0x07 at pci0 dev 3 function 0 not configured
pciide0 at pci0 dev 3 function 2 "Intel GM45 PT IDER" rev 0x07: DMA (unsupported), channel 0 wired to native-PCI, channel 1 wired to native-PCI
pciide0: using apic 1 int 18 (irq 11) for native-PCI interrupt
pciide0: channel 0 ignored (not responding; disabled or no drives?)
pciide0: channel 1 ignored (not responding; disabled or no drives?)
"Intel GM45 AMT SOL" rev 0x07 at pci0 dev 3 function 3 not configured
em0 at pci0 dev 25 function 0 "Intel ICH9 IGP M AMT" rev 0x03: apic 1 int 20 (irq 11), address 00:1f:16:1f:da:e3
uhci0 at pci0 dev 26 function 0 "Intel 82801I USB" rev 0x03: apic 1 int 20 (irq 11)
uhci1 at pci0 dev 26 function 1 "Intel 82801I USB" rev 0x03: apic 1 int 21 (irq 11)
uhci2 at pci0 dev 26 function 2 "Intel 82801I USB" rev 0x03: apic 1 int 22 (irq 11)
ehci0 at pci0 dev 26 function 7 "Intel 82801I USB" rev 0x03: apic 1 int 23 (irq 11)
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
azalia0 at pci0 dev 27 function 0 "Intel 82801I HD Audio" rev 0x03: apic 1 int 17 (irq 11)
azalia0: codecs: Conexant CX20561
audio0 at azalia0
ppb0 at pci0 dev 28 function 0 "Intel 82801I PCIE" rev 0x03: apic 1 int 20 (irq 11)
pci1 at ppb0 bus 2
ppb1 at pci0 dev 28 function 1 "Intel 82801I PCIE" rev 0x03: apic 1 int 21 (irq 11)
pci2 at ppb1 bus 3
iwn0 at pci2 dev 0 function 0 "Intel WiFi Link 5100AGN" rev 0x00: apic 1 int 17 (irq 11), MIMO 1T2R, MoW, address 00:22:fa:f5:62:fa
ppb2 at pci0 dev 28 function 3 "Intel 82801I PCIE" rev 0x03: apic 1 int 23 (irq 11)
pci3 at ppb2 bus 5
uhci3 at pci0 dev 29 function 0 "Intel 82801I USB" rev 0x03: apic 1 int 16 (irq 11)
uhci4 at pci0 dev 29 function 1 "Intel 82801I USB" rev 0x03: apic 1 int 17 (irq 11)
uhci5 at pci0 dev 29 function 2 "Intel 82801I USB" rev 0x03: apic 1 int 18 (irq 11)
ehci1 at pci0 dev 29 function 7 "Intel 82801I USB" rev 0x03: apic 1 int 19 (irq 11)
usb1 at ehci1: USB revision 2.0
uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1
ppb3 at pci0 dev 30 function 0 "Intel 82801BAM Hub-to-PCI" rev 0x93
pci4 at ppb3 bus 13
pcib0 at pci0 dev 31 function 0 "Intel 82801IEM LPC" rev 0x03
ahci0 at pci0 dev 31 function 2 "Intel 82801I AHCI" rev 0x03: apic 1 int 16 (irq 11), AHCI 1.2
scsibus0 at ahci0: 32 targets
sd0 at scsibus0 targ 0 lun 0: <ATA, ST9250827AS, 3.CM> SCSI3 0/direct fixed
sd0: 238475MB, 512 bytes/sec, 488397168 sec total
ichiic0 at pci0 dev 31 function 3 "Intel 82801I SMBus" rev 0x03: apic 1 int 23 (irq 11)
iic0 at ichiic0
usb2 at uhci0: USB revision 1.0
uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb3 at uhci1: USB revision 1.0
uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb4 at uhci2: USB revision 1.0
uhub4 at usb4 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb5 at uhci3: USB revision 1.0
uhub5 at usb5 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb6 at uhci4: USB revision 1.0
uhub6 at usb6 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb7 at uhci5: USB revision 1.0
uhub7 at usb7 "Intel UHCI root hub" rev 1.00/1.00 addr 1
isa0 at pcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <PC speaker>
spkr0 at pcppi0
aps0 at isa0 port 0x1600/31
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
mtrr: Pentium Pro MTRR support
uvideo0 at uhub0 port 6 configuration 1 interface 0 "Chicony Electronics Co., Ltd. product 0x480c" rev 2.00/31.34 addr 2
video0 at uvideo0
softraid0 at root
root on sd0a swap on sd0b dump on sd0b
syncing disks... done
rebooting...
OpenBSD 4.5 (GENERIC.MP) #108: Sat Feb 28 14:58:58 MST 2009
    deraadt@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC.MP
cpu0: Intel(R) Core(TM)2 Duo CPU P8400 @ 2.26GHz ("GenuineIntel" 686-class) 2.27 GHz
cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,VMX,SMX,EST,TM2,CX16,xTPR
real mem  = 3176427520 (3029MB)
avail mem = 3077128192 (2934MB)
mainbus0 at root
bios0 at mainbus0: AT/286+ BIOS, date 05/18/09, BIOS32 rev. 0 @ 0xfdc80, SMBIOS rev. 2.4 @ 0xe0010 (68 entries)
bios0: vendor LENOVO version "6DET53WW (3.03 )" date 05/18/2009
bios0: LENOVO 7457AC1
acpi0 at bios0: rev 2
acpi0: tables DSDT FACP SSDT ECDT APIC MCFG HPET SLIC BOOT ASF! SSDT TCPA DMAR SSDT SSDT SSDT
acpi0: wakeup devices LID_(S3) SLPB(S3) IGBE(S4) EXP0(S4) EXP1(S4) EXP2(S4) EXP3(S4) USB0(S3) USB3(S3) USB5(S3) EHC0(S3) EHC1(S3) HDEF(S4)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: apic clock running at 266MHz
cpu1 at mainbus0: apid 1 (application processor)
cpu1: Intel(R) Core(TM)2 Duo CPU P8400 @ 2.26GHz ("GenuineIntel" 686-class) 2.27 GHz
cpu1: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,VMX,SMX,EST,TM2,CX16,xTPR
ioapic0 at mainbus0: apid 1 pa 0xfec00000, version 20, 24 pins
ioapic0: misconfigured as apic 2, remapped to apid 1
acpihpet0 at acpi0: 14318179 Hz
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (AGP_)
acpiprt2 at acpi0: bus 2 (EXP0)
acpiprt3 at acpi0: bus 3 (EXP1)
acpiprt4 at acpi0: bus -1 (EXP2)
acpiprt5 at acpi0: bus 5 (EXP3)
acpiec0 at acpi0
acpicpu0 at acpi0: C3, C2
acpicpu1 at acpi0: C3, C2
acpitz0 at acpi0: critical temperature 127 degC
acpitz1 at acpi0: critical temperature 104 degC
acpibtn0 at acpi0: LID_
acpibtn1 at acpi0: SLPB
acpibat0 at acpi0: BAT0 model "42T4646" serial  4612 type LION oem "SANYO"
acpibat1 at acpi0: BAT1 not present
acpiac0 at acpi0: AC unit online
acpithinkpad0 at acpi0
acpidock at acpi0 not configured
acpivideo at acpi0 not configured
acpivideo at acpi0 not configured
bios0: ROM list: 0xc0000/0x10000! 0xd0000/0x1000 0xd1000/0x1000 0xd2000/0x1000 0xde000/0x1800! 0xe0000/0x10000
cpu0: unknown Enhanced SpeedStep CPU, msr 0x0617482106004821
cpu0: using only highest and lowest power states
cpu0: Enhanced SpeedStep 19200 MHz (1228 mV): speeds: 19200, 1600 MHz
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
pchb0 at pci0 dev 0 function 0 "Intel GM45 Host" rev 0x07
vga1 at pci0 dev 2 function 0 "Intel GM45 Video" rev 0x07
wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
intagp0 at vga1
agp0 at intagp0: aperture at 0xd0000000, size 0x10000000
inteldrm0 at vga1: apic 1 int 16 (irq 11)
drm0 at inteldrm0
"Intel GM45 Video" rev 0x07 at pci0 dev 2 function 1 not configured
"Intel GM45 HECI" rev 0x07 at pci0 dev 3 function 0 not configured
pciide0 at pci0 dev 3 function 2 "Intel GM45 PT IDER" rev 0x07: DMA (unsupported), channel 0 wired to native-PCI, channel 1 wired to native-PCI
pciide0: using apic 1 int 18 (irq 11) for native-PCI interrupt
pciide0: channel 0 ignored (not responding; disabled or no drives?)
pciide0: channel 1 ignored (not responding; disabled or no drives?)
"Intel GM45 AMT SOL" rev 0x07 at pci0 dev 3 function 3 not configured
em0 at pci0 dev 25 function 0 "Intel ICH9 IGP M AMT" rev 0x03: apic 1 int 20 (irq 11), address 00:1f:16:1f:da:e3
uhci0 at pci0 dev 26 function 0 "Intel 82801I USB" rev 0x03: apic 1 int 20 (irq 11)
uhci1 at pci0 dev 26 function 1 "Intel 82801I USB" rev 0x03: apic 1 int 21 (irq 11)
uhci2 at pci0 dev 26 function 2 "Intel 82801I USB" rev 0x03: apic 1 int 22 (irq 11)
ehci0 at pci0 dev 26 function 7 "Intel 82801I USB" rev 0x03: apic 1 int 23 (irq 11)
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
azalia0 at pci0 dev 27 function 0 "Intel 82801I HD Audio" rev 0x03: apic 1 int 17 (irq 11)
azalia0: codecs: Conexant CX20561
audio0 at azalia0
ppb0 at pci0 dev 28 function 0 "Intel 82801I PCIE" rev 0x03: apic 1 int 20 (irq 11)
pci1 at ppb0 bus 2
ppb1 at pci0 dev 28 function 1 "Intel 82801I PCIE" rev 0x03: apic 1 int 21 (irq 11)
pci2 at ppb1 bus 3
iwn0 at pci2 dev 0 function 0 "Intel WiFi Link 5100AGN" rev 0x00: apic 1 int 17 (irq 11), MIMO 1T2R, MoW, address 00:22:fa:f5:62:fa
ppb2 at pci0 dev 28 function 3 "Intel 82801I PCIE" rev 0x03: apic 1 int 23 (irq 11)
pci3 at ppb2 bus 5
uhci3 at pci0 dev 29 function 0 "Intel 82801I USB" rev 0x03: apic 1 int 16 (irq 11)
uhci4 at pci0 dev 29 function 1 "Intel 82801I USB" rev 0x03: apic 1 int 17 (irq 11)
uhci5 at pci0 dev 29 function 2 "Intel 82801I USB" rev 0x03: apic 1 int 18 (irq 11)
ehci1 at pci0 dev 29 function 7 "Intel 82801I USB" rev 0x03: apic 1 int 19 (irq 11)
usb1 at ehci1: USB revision 2.0
uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1
ppb3 at pci0 dev 30 function 0 "Intel 82801BAM Hub-to-PCI" rev 0x93
pci4 at ppb3 bus 13
pcib0 at pci0 dev 31 function 0 "Intel 82801IEM LPC" rev 0x03
ahci0 at pci0 dev 31 function 2 "Intel 82801I AHCI" rev 0x03: apic 1 int 16 (irq 11), AHCI 1.2
scsibus0 at ahci0: 32 targets
sd0 at scsibus0 targ 0 lun 0: <ATA, ST9250827AS, 3.CM> SCSI3 0/direct fixed
sd0: 238475MB, 512 bytes/sec, 488397168 sec total
ichiic0 at pci0 dev 31 function 3 "Intel 82801I SMBus" rev 0x03: apic 1 int 23 (irq 11)
iic0 at ichiic0
usb2 at uhci0: USB revision 1.0
uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb3 at uhci1: USB revision 1.0
uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb4 at uhci2: USB revision 1.0
uhub4 at usb4 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb5 at uhci3: USB revision 1.0
uhub5 at usb5 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb6 at uhci4: USB revision 1.0
uhub6 at usb6 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb7 at uhci5: USB revision 1.0
uhub7 at usb7 "Intel UHCI root hub" rev 1.00/1.00 addr 1
isa0 at pcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <PC speaker>
spkr0 at pcppi0
aps0 at isa0 port 0x1600/31
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
mtrr: Pentium Pro MTRR support
uvideo0 at uhub0 port 6 configuration 1 interface 0 "Chicony Electronics Co., Ltd. product 0x480c" rev 2.00/31.34 addr 2
video0 at uvideo0
softraid0 at root
root on sd0a swap on sd0b dump on sd0b
Why is that? Does it mean it will not be used? Is there a fix?
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Old 14th July 2009
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Check this thread, it's got a different starting point, but the answers will help you with your question. Especially this one and this one.

Also see this presentation (though a bit technical): http://www.openbsd.org/papers/nyc2006/index.html
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Old 14th July 2009
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It's not very clear to me:
I'm seeing only 3g of ram because the rest is "eaten" up by video memory, or simply the system is not able to see it?
If so, why does Vista show 4g?
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Old 14th July 2009
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System doesn't see it. PAE was probably turned on in Vista so Vista sees it, or it's 64-bit Vista.
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Old 14th July 2009
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There is nothing wrong with your system. 3Gb is practical maximum for i386 architecture. If you want to use all 4Gb you should install amd64 version of OpenBSD. At this point OpenBSD lacks technical capabilities to utilize more than 4Gb memory even on amd64 version. However extensive work and testing has been done to improve the situation. OpenBSD also uses n:1 multithreading model which means for instance that MySQL will not see any
performance benefit on bsd.mp kernel.

If you need such things, I would suggest you that you go with NetBSD or FreeBSD unless you need ultra secure data base. I personally would probably go with NetBSD. I would also check out OpenSolaris. There are lots of interesting things happening there but I am not familiar with Solaris on i386 so you will have to investigate.
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Old 14th July 2009
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well 4g of ram are not the most important thing, I will hardly ever need that much, but since they are there, it would be nice if they were available.
Before buying the laptop I was considering switching to freebsd, and I have tried to install it on my old box. And as when I did try in the past, I always get all kinds of errors during install, some package I want to install does not find dependencies etc. I am probably just not very expert in freebsd or not very lucky. I might try once more.
thank you
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Old 14th July 2009
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Don't install anything except the base OS from the FreeBSD install CDs. sysinstall is not very good at doing anything except installing the OS. Installing packages, configuring things, etc should all be done using the OS tools, once the OS has booted.

To install packages after the OS is installed, just use pkg_add -r appname.
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the problems I get during install of FreeBSD are related to sysinstall which I personally find confusing.
Problems with packages come after, I probably have been unlucky or something, can't remember which packages were. Also, FreeBSD has an older version of ion, which is my favourite wm until now.
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Old 16th July 2009
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Quote:
If you want to use all 4Gb you should install amd64 version of OpenBSD
Does it mean I can install a amd64 version on a i386 machine? Is it any worth the effort? Would everything work just like with the i386 version?
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Old 16th July 2009
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Quote:
Originally Posted by gosha View Post
Does it mean I can install a amd64 version on a i386 machine? Is it any worth the effort? Would everything work just like with the i386 version?
The Intel Core 2 Duo supports "Intel 64" which is Intel's reimplementation of AMD's 64-bit extension to the x86 architecture (Long Mode).

Quote:
Originally Posted by http://www.openbsd.org/amd64.html
OpenBSD/amd64 runs on AMD's Athlon-64 family of processors in 64-bit mode. It also runs on processors made by other manufacturers which have cloned the AMD64 extensions. (Some Intel processors lack support for important PAE NX bit, which means those machines will run without any W^X support -- it is thus safer to run those machines in i386 mode).
As such, you might notice some additional memory using the amd64 port.. but "bigmem" (>4GB) still isn't supported yet.

The 32-bit i386 (Protected Mode) can only access 32-bit's of address space.. 2^32 (2 to the power of 32) is == 4294967296 bytes (4GB).

RAM is not the only thing mapped into physical address space, other memory mapped devices reserve some of the valuable real-estate for their own purposes.. AGP aperture.. PCI memory ranges.. legacy ISA devices (serial, parallel, floppy, FPU, etc).

Enhancements were introduced to extend the physical address space, PAE and PSE36.. but the x86 is still fundamentally 32-bit by design.. registers and pointer sizes.. so some clever paging tricks are required to use more then that.

Even if OpenBSD/i386 supported PAE/PSE36.. you would still be limited to a theoretical maximum of 4GB of virtual address space for user land processes, which is further limited by other architectural/OS limitations to 2GB of space.

It really is a complex and complicated subject, but unless you rely on and proprietary 32-bit only ports.. using OpenBSD/amd64 might just be beneficial in the long run.

Hope that helps.
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Old 16th July 2009
gosha gosha is offline
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thanks, I'll try and install the amd64 port

...

I've just tried to boot the bsd.rd from the amd64 port, going into shell and running dmesg still shows only 3028M of real ram, does it mean it does not see it either and would not see it even after a full install?

Last edited by gosha; 16th July 2009 at 05:48 AM.
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Old 16th July 2009
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This was an error on my side, both the i386 and amd64 ports determine available memory using the same method.. they obtain a "memory map" from the BIOS.

It would appear that the remaining memory is mapped above 4GB physical, thus you won't be able to use it until the amd64 platform supports it.

The i386 port will probably never support PAE,PSE36.. 3rd party patches have existed to add support for it, but it'll probably never be supported officially.

So you won't be able to utilize the additional memory in 4.5 or 4.6, but perhaps the developers will work on "bigmem" support for 4.7.

Sorry about that.
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Old 16th July 2009
gosha gosha is offline
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I think I will be just fine with 3g of ram, the first (and last) laptop I had, had 4g of hard disk...
thanks anyway
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Old 17th July 2009
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G-Osha hey i found this http://www.nabble.com/amd64-bigmem-t...d19887552.html Looks like u can get at least 4G's working
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Old 17th July 2009
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Quote:
Originally Posted by iacbsd View Post
G-Osha hey i found this http://www.nabble.com/amd64-bigmem-t...d19887552.html Looks like u can get at least 4G's working
The thread you are referencing is nearly a year old.

More recent discussion (within the last month...) can be found at the following:

http://marc.info/?t=124567077900004&r=1&w=2

...which is more somber in tone. In particular, pay attention to Claudio's response. Accessing 4GB of memory is not yet ready in OpenBSD.
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Old 18th July 2009
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Definately more somber why why can i get my 4g's hehehehe
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Old 18th July 2009
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Quote:
Originally Posted by iacbsd View Post
why why can i get my 4g's hehehehe
There is a very real & simple way -- donate to the project. Better yet, organize many users to make a sizable donation to the project.
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