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Old 07-22-2009, 03:49 PM   #1
YassBoss
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Registered: Jun 2009
Distribution: Gentoo Linux
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Gentoo don't detect full ram memory


Hi;
I can't make Gentoo recognize my 2 rams of 512MB, It's seems to recognize just 891900 KB:
Code:
$ /bin/cat /proc/meminfo
MemTotal:         891900 kB
MemFree:          225604 kB
Buffers:           74492 kB
Cached:           182968 kB
SwapCached:        10028 kB
Active:           212636 kB
Inactive:         352584 kB
Active(anon):      80264 kB
Inactive(anon):   231056 kB
Active(file):     132372 kB
Inactive(file):   121528 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:       2096440 kB
SwapFree:        2020424 kB
Dirty:               148 kB
Writeback:             0 kB
AnonPages:        301316 kB
Mapped:            44284 kB
Slab:              60128 kB
SReclaimable:      45920 kB
SUnreclaim:        14208 kB
PageTables:         8612 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     2542388 kB
Committed_AS:     589696 kB
VmallocTotal:   34359738367 kB
VmallocUsed:       78756 kB
VmallocChunk:   34359642107 kB
DirectMap4k:       38464 kB
DirectMap2M:     1007616 kB
I tried to recompile the kernel with 4gb ram support but I couldn't find the "High memory support" in "Processor type and features", I think because I have a amd64 OS.

Kernel version: linux-2.6.30-gentoo-r3
RAM: hynix 512MB HYMP564U64CP8-Y5 (Specification are here in PDF)


Thanks in advance
 
Old 07-22-2009, 04:54 PM   #2
tkbonito
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Are you using a video card which uses your system RAM? Laptops or motherboards with onboard gpu's take up a portion of your system RAM to use as Video RAM (VRAM)
 
Old 07-22-2009, 05:03 PM   #3
YassBoss
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But windows vista detect 1GB!

Last edited by YassBoss; 07-22-2009 at 05:05 PM.
 
Old 07-22-2009, 05:17 PM   #4
johnsfine
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Quote:
Originally Posted by tkbonito View Post
Are you using a video card which uses your system RAM? Laptops or motherboards with onboard gpu's take up a portion of your system RAM to use as Video RAM (VRAM)
That's a good guess. But it is easy to determine whether this is a Linux problem, so no need to guess.

Try
Code:
dmesg | less
If it is soon enough since the last reboot that the message buffer hasn't wrapped you should find near the top something looking similar to:

Code:
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 00000000000a0000 (usable)
 BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 00000000bfe8ac00 (usable)
That last number (where my system has bfe8ac00) or maybe a subsequent line saying "usable" if your memory map is strange, tells the limit of the memory that the BIOS makes available to Linux.

If the difference is video ram or some BIOS or motherboard issue that value will be too low.

If the problem is a build time option in your Linux kernel, that number should be correct.

Since there are a number of details that might be confusing, I suggest you post that memory map from your dmesg so I or someone else can tell you what it means.

Meanwhile, someone who knows Gentoo kernel details probably can tell from just what you posted already whether this is the result of a kernel build time choice and if so where to get or how to build a kernel without that restriction. But I don't know Gentoo and I need to see the memory map to know whether the problem arises before Linux loads or inside Linux.

Quote:
Originally Posted by YassBoss View Post
I think because I have a amd64 OS.
Do you really? If you have an amd64 OS then the problem is not a kernel build time issue, and it is almost impossible for it to be any Linux issue (so the memory map will show us it is a video ram or BIOS or motherboard issue).

But try
Code:
uname -a
to see if you really have an AMD64 OS. I'm pretty sure the output will include "x86_64" (probably 3 times) if it is an AMD64 OS and it certainly won't include "x86_64" if it is not an AMD64 OS.

Quote:
Originally Posted by YassBoss View Post
But windows vista detect 1GB!
Vista lies about how much ram it detected, so that really doesn't tell us much.

Last edited by johnsfine; 07-22-2009 at 05:27 PM.
 
Old 07-22-2009, 05:56 PM   #5
YassBoss
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This is it:
Code:
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 000000000009f400 (usable)
 BIOS-e820: 000000000009f400 - 00000000000a0000 (reserved)
 BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 0000000037000000 (usable)
 BIOS-e820: 0000000037000000 - 000000003f000000 (reserved)
 BIOS-e820: 000000003f000000 - 000000003fd90000 (usable)
 BIOS-e820: 000000003fe90000 - 000000003fee0000 (reserved)
 BIOS-e820: 000000003fee0000 - 000000003fee3000 (ACPI NVS)
 BIOS-e820: 000000003fee3000 - 000000003fef0000 (ACPI data)
 BIOS-e820: 000000003fef0000 - 000000003ff00000 (reserved)
 BIOS-e820: 00000000f0000000 - 00000000f2000000 (reserved)
 BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
And I found this too (I don't know if it will help):
Code:
Phoenix BIOS detected: BIOS may corrupt low RAM, working around it.
e820 update range: 0000000000000000 - 0000000000010000 (usable) ==> (reserved)

Quote:
But try
Code:
uname -a
to see if you really have an AMD64 OS. I'm pretty sure the output will include "x86_64" (probably 3 times) if it is an AMD64 OS and it certainly won't include "x86_64" if it is not an AMD64 OS.
I actually did somethings more complicated than that so I think I'm pretty sure about my architecture...

Thanks
 
Old 07-22-2009, 07:47 PM   #6
johnsfine
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Code:
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 000000000009f400 (usable)         0.622 MB
 BIOS-e820: 000000000009f400 - 00000000000a0000 (reserved)
 BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 0000000037000000 (usable)       879 MB
 BIOS-e820: 0000000037000000 - 000000003f000000 (reserved)
 BIOS-e820: 000000003f000000 - 000000003fd90000 (usable)        13.563 MB
 BIOS-e820: 000000003fe90000 - 000000003fee0000 (reserved)
 BIOS-e820: 000000003fee0000 - 000000003fee3000 (ACPI NVS)
 BIOS-e820: 000000003fee3000 - 000000003fef0000 (ACPI data)
 BIOS-e820: 000000003fef0000 - 000000003ff00000 (reserved)
 BIOS-e820: 00000000f0000000 - 00000000f2000000 (reserved)
 BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
So the BIOS makes only 893.185 MB of ram available to Linux.

The big reserved chunk at 37000000 is probably video memory and probably the reason for almost all the difference between the 1024MB you should have and the 893MB you do have.

Code:
Phoenix BIOS detected: BIOS may corrupt low RAM, working around it.
e820 update range: 0000000000000000 - 0000000000010000 (usable) ==> (reserved)
That just takes a tiny bit away from the 893.185MB, not enough to worry about at all.

Quote:
I actually did somethings more complicated than that so I think I'm pretty sure about my architecture...
Not showing the uname output may still leave people not believing you know your architecture. But it doesn't matter. We see from the dmesg output that the memory is lost before Linux even starts, so nothing about your kernel or architecture is relevant.

tkbonito's theory is looking pretty solid at this point.
 
Old 07-22-2009, 08:46 PM   #7
YassBoss
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So that's it...

Thanks for helping anyway ;o)
 
Old 07-22-2009, 08:55 PM   #8
Electro
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I recommend install lshw and post the results. This will show in depth what your computer actually contains.

A 893 MB of RAM does relate to some kind of video memory being used. Though 128 MB of memory that can not be used could be a stupid memory hole feature that has been enabled.

Gentoo's kernel patches are not any different than the vanilla kernel. I have not experience any memory problems when using gentoo-sources as the kernel. If the vanilla kernel has a memory problem, so will every patch will have the problem.
 
Old 08-01-2009, 07:02 PM   #9
YassBoss
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Sorry for being so late...

well this is the results of lshw :
Code:
localhost                 
    description: Desktop Computer
    product: KA915AA-ABF s3341.fr
    vendor: HP-Pavilion
    serial: CNX75105RY
    width: 64 bits
    capabilities: smbios-2.5 dmi-2.5 vsyscall64 vsyscall32
    configuration: boot=normal chassis=desktop uuid=8005791F-2BE4-5910-82E5-A172B6DDED9C
  *-core
       description: Motherboard
       product: Irvine
       vendor: FOXCONN
       physical id: 0
       version: HP P/N
       serial: ULSJ74905251
     *-firmware
          description: BIOS
          vendor: Phoenix Technologies, LTD
          physical id: 0
          version: 5.02 (11/28/2007)
          size: 128KiB
          capacity: 960KiB
          capabilities: isa pci pnp apm upgrade shadowing cdboot bootselect socketedrom edd int13floppy360 int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer int10video acpi usb ls120boot zipboot biosbootspecification netboot
     *-cpu
          description: CPU
          product: Intel(R) Core(TM)2 Duo CPU     E4500  @ 2.20GHz
          vendor: Intel Corp.
          physical id: 4
          bus info: cpu@0
          version: Intel(R) Core(TM)2 Duo CPU     E4500  @ 2.20GHz
          slot: Socket 775
          size: 2200MHz
          capacity: 4GHz
          width: 64 bits
          clock: 200MHz
          capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx x86-64 constant_tsc arch_perfmon pebs bts rep_good pni dtes64 monitor ds_cpl est tm2 ssse3 cx16 xtpr pdcm lahf_lm
        *-cache:0
             description: L1 cache
             physical id: 8
             slot: Internal Cache
             size: 32KiB
             capacity: 32KiB
             capabilities: synchronous internal write-back data
        *-cache:1
             description: L2 cache
             physical id: 9
             slot: External Cache
             size: 1MiB
             capacity: 1MiB
             capabilities: synchronous external write-back unified
     *-memory
          description: System Memory
          physical id: 12
          slot: System board or motherboard
          size: 1GiB
          capacity: 1GiB
        *-bank:0
             description: DIMM DDR2 667 MHz (1.5 ns)
             product: HYMP564U64CP8-Y5
             vendor: AD00000000000000
             physical id: 0
             serial: None
             slot: A0
             size: 512MiB
             width: 64 bits
             clock: 667MHz (1.5ns)
        *-bank:1
             description: DIMM DDR2 667 MHz (1.5 ns)
             product: HYMP564U64CP8-Y5
             vendor: AD00000000000000
             physical id: 1
             serial: None
             slot: A2
             size: 512MiB
             width: 64 bits
             clock: 667MHz (1.5ns)
     *-pci
          description: Host bridge
          product: MCP73 Host Bridge
          vendor: nVidia Corporation
          physical id: 100
          bus info: pci@0000:00:00.0
          version: a2
          width: 32 bits
          clock: 66MHz
        *-memory:0 UNCLAIMED
             description: RAM memory
             product: nForce 630i memory controller
             vendor: nVidia Corporation
             physical id: 0.1
             bus info: pci@0000:00:00.1
             version: a2
             width: 32 bits
             clock: 66MHz (15.2ns)
             capabilities: bus_master
             configuration: latency=0
        *-memory:1 UNCLAIMED
             description: RAM memory
             product: nForce 630i memory controller
             vendor: nVidia Corporation
             physical id: 1
             bus info: pci@0000:00:01.0
             version: a1
             width: 32 bits
             clock: 66MHz (15.2ns)
             configuration: latency=0
        *-memory:2 UNCLAIMED
             description: RAM memory
             product: nForce 630i memory controller
             vendor: nVidia Corporation
             physical id: 1.1
             bus info: pci@0000:00:01.1
             version: a1
             width: 32 bits
             clock: 66MHz (15.2ns)
             configuration: latency=0
        *-memory:3 UNCLAIMED
             description: RAM memory
             product: nForce 630i memory controller
             vendor: nVidia Corporation
             physical id: 1.2
             bus info: pci@0000:00:01.2
             version: a1
             width: 32 bits
             clock: 66MHz (15.2ns)
             configuration: latency=0
        *-memory:4 UNCLAIMED
             description: RAM memory
             product: nForce 630i memory controller
             vendor: nVidia Corporation
             physical id: 1.3
             bus info: pci@0000:00:01.3
             version: a1
             width: 32 bits
             clock: 66MHz (15.2ns)
             configuration: latency=0
        *-memory:5 UNCLAIMED
             description: RAM memory
             product: nForce 630i memory controller
             vendor: nVidia Corporation
             physical id: 1.4
             bus info: pci@0000:00:01.4
             version: a1
             width: 32 bits
             clock: 66MHz (15.2ns)
             configuration: latency=0
        *-memory:6 UNCLAIMED
             description: RAM memory
             product: nForce 630i memory controller
             vendor: nVidia Corporation
             physical id: 1.5
             bus info: pci@0000:00:01.5
             version: a1
             width: 32 bits
             clock: 66MHz (15.2ns)
             configuration: latency=0
        *-memory:7 UNCLAIMED
             description: RAM memory
             product: nForce 630i memory controller
             vendor: nVidia Corporation
             physical id: 1.6
             bus info: pci@0000:00:01.6
             version: a1
             width: 32 bits
             clock: 66MHz (15.2ns)
             configuration: latency=0
        *-memory:8 UNCLAIMED
             description: RAM memory
             product: nForce 630i memory controller
             vendor: nVidia Corporation
             physical id: 2
             bus info: pci@0000:00:02.0
             version: a1
             width: 32 bits
             clock: 66MHz (15.2ns)
             configuration: latency=0
        *-isa
             description: ISA bridge
             product: MCP73 LPC Bridge
             vendor: nVidia Corporation
             physical id: 3
             bus info: pci@0000:00:03.0
             version: a2
             width: 32 bits
             clock: 66MHz
             capabilities: isa bus_master
             configuration: latency=0
        *-serial
             description: SMBus
             product: MCP73 SMBus
             vendor: nVidia Corporation
             physical id: 3.1
             bus info: pci@0000:00:03.1
             version: a1
             width: 32 bits
             clock: 66MHz
             capabilities: pm cap_list
             configuration: driver=nForce2_smbus latency=0
             resources: irq:7 ioport:ff00(size=64) ioport:1c00(size=64) ioport:1c80(size=64)
        *-memory:9 UNCLAIMED
             description: RAM memory
             product: MCP73 Memory Controller
             vendor: nVidia Corporation
             physical id: 3.2
             bus info: pci@0000:00:03.2
             version: a1
             width: 32 bits
             clock: 66MHz (15.2ns)
             configuration: latency=0
        *-memory:10 UNCLAIMED
             description: RAM memory
             product: MCP73 Memory Controller
             vendor: nVidia Corporation
             physical id: 3.4
             bus info: pci@0000:00:03.4
             version: a1
             width: 32 bits
             clock: 66MHz (15.2ns)
             configuration: latency=0
        *-usb:0
             description: USB Controller
             product: GeForce 7100/nForce 630i
             vendor: nVidia Corporation
             physical id: 4
             bus info: pci@0000:00:04.0
             version: a1
             width: 32 bits
             clock: 66MHz
             capabilities: pm ohci bus_master cap_list
             configuration: driver=ohci_hcd latency=0 maxlatency=1 mingnt=3
             resources: irq:21 memory:effff000-efffffff
           *-usbhost
                product: OHCI Host Controller
                vendor: Linux 2.6.30-gentoo-r4 ohci_hcd
                physical id: 1
                bus info: usb@2
                logical name: usb2
                version: 2.06
                capabilities: usb-1.10
                configuration: driver=hub slots=10 speed=12.0MB/s
        *-usb:1
             description: USB Controller
             product: GeForce 7100/nForce 630i
             vendor: nVidia Corporation
             physical id: 4.1
             bus info: pci@0000:00:04.1
             version: a1
             width: 32 bits
             clock: 66MHz
             capabilities: debug pm ehci bus_master cap_list
             configuration: driver=ehci_hcd latency=0 maxlatency=1 mingnt=3
             resources: irq:22 memory:efffe000-efffe0ff
           *-usbhost
                product: EHCI Host Controller
                vendor: Linux 2.6.30-gentoo-r4 ehci_hcd
                physical id: 1
                bus info: usb@1
                logical name: usb1
                version: 2.06
                capabilities: usb-2.00
                configuration: driver=hub slots=10 speed=480.0MB/s
              *-usb:0
                   description: Mass storage device
                   product: USB2.0-CRW
                   vendor: Generic
                   physical id: 5
                   bus info: usb@1:5
                   logical name: scsi4
                   version: 11.22
                   serial: 20021111153705700
                   capabilities: usb-2.00 scsi emulated scsi-host
                   configuration: driver=usb-storage maxpower=500mA speed=480.0MB/s
                 *-disk
                      description: SCSI Disk
                      physical id: 0.0.0
                      bus info: scsi@4:0.0.0
                      logical name: /dev/sdb
              *-usb:1
                   description: Generic USB device
                   product: 802.11 bg WLAN
                   vendor: Ralink
                   physical id: 6
                   bus info: usb@1:6
                   version: 0.01
                   capabilities: usb-2.00
                   configuration: driver=rt73usb maxpower=300mA speed=480.0MB/s
        *-ide:0 UNCLAIMED
             description: IDE interface
             product: MCP73 IDE
             vendor: nVidia Corporation
             physical id: 8
             bus info: pci@0000:00:08.0
             version: a1
             width: 32 bits
             clock: 66MHz
             capabilities: ide pm bus_master cap_list
             configuration: latency=0 maxlatency=1 mingnt=3
             resources: ioport:1f0(size=8) ioport:3f6 ioport:170(size=8) ioport:376 ioport:fc00(size=16)
        *-multimedia
             description: Audio device
             product: MCP73 High Definition Audio
             vendor: nVidia Corporation
             physical id: 9
             bus info: pci@0000:00:09.0
             version: a1
             width: 32 bits
             clock: 66MHz
             capabilities: pm msi bus_master cap_list
             configuration: driver=HDA Intel latency=0 maxlatency=5 mingnt=2
             resources: irq:23 memory:efff4000-efff7fff
        *-pci:0
             description: PCI bridge
             product: MCP73 PCI Express bridge
             vendor: nVidia Corporation
             physical id: a
             bus info: pci@0000:00:0a.0
             version: a1
             width: 32 bits
             clock: 66MHz
             capabilities: pci subtractive_decode bus_master cap_list
             resources: ioport:c000(size=4096) memory:efb00000-efbfffff memory:efa00000-efafffff(prefetchable)
           *-firewire
                description: FireWire (IEEE 1394)
                product: VT6306 Fire II IEEE 1394 OHCI Link Layer Controller
                vendor: VIA Technologies, Inc.
                physical id: 7
                bus info: pci@0000:01:07.0
                version: c0
                width: 32 bits
                clock: 33MHz
                capabilities: pm ohci bus_master cap_list
                configuration: driver=ohci1394 latency=64 maxlatency=32
                resources: irq:19 memory:efbff000-efbff7ff ioport:cf00(size=128)
        *-pci:1
             description: PCI bridge
             product: MCP73 PCI Express bridge
             vendor: nVidia Corporation
             physical id: b
             bus info: pci@0000:00:0b.0
             version: a1
             width: 32 bits
             clock: 33MHz
             capabilities: pci pm msi pciexpress normal_decode bus_master cap_list
             configuration: driver=pcieport-driver
             resources: irq:24 ioport:b000(size=4096) memory:ef900000-ef9fffff ioport:ef800000(size=1048576)
        *-pci:2
             description: PCI bridge
             product: MCP73 PCI Express bridge
             vendor: nVidia Corporation
             physical id: c
             bus info: pci@0000:00:0c.0
             version: a1
             width: 32 bits
             clock: 33MHz
             capabilities: pci pm msi pciexpress normal_decode bus_master cap_list
             configuration: driver=pcieport-driver
             resources: irq:25 ioport:e000(size=4096) memory:ef700000-ef7fffff ioport:efe00000(size=1048576)
        *-pci:3
             description: PCI bridge
             product: MCP73 PCI Express bridge
             vendor: nVidia Corporation
             physical id: d
             bus info: pci@0000:00:0d.0
             version: a1
             width: 32 bits
             clock: 33MHz
             capabilities: pci pm msi pciexpress normal_decode bus_master cap_list
             configuration: driver=pcieport-driver
             resources: irq:26 ioport:d000(size=4096) memory:efd00000-efdfffff ioport:efc00000(size=1048576)
        *-ide:1
             description: IDE interface
             product: MCP73 IDE
             vendor: nVidia Corporation
             physical id: e
             bus info: pci@0000:00:0e.0
             logical name: scsi0
             logical name: scsi1
             version: a2
             width: 32 bits
             clock: 66MHz
             capabilities: ide pm msi bus_master cap_list emulated
             configuration: driver=ahci latency=0 maxlatency=1 mingnt=3
             resources: irq:27 ioport:9f0(size=8) ioport:bf0(size=4) ioport:970(size=8) ioport:b70(size=4) ioport:f700(size=16) memory:efff8000-efff9fff
           *-disk
                description: ATA Disk
                product: Hitachi HDT72503
                vendor: Hitachi
                physical id: 0
                bus info: scsi@0:0.0.0
                logical name: /dev/sda
                version: V54O
                serial: VFL204R83B845B
                size: 298GiB (320GB)
                capabilities: partitioned partitioned:dos
                configuration: ansiversion=5 signature=0004ea9e
              *-volume:0
                   description: EXT3 volume
                   vendor: Linux
                   physical id: 1
                   bus info: scsi@0:0.0.0,1
                   logical name: /dev/sda1
                   version: 1.0
                   serial: a6ca3bd5-30af-4e64-9f01-0bf574008380
                   size: 298MiB
                   capacity: 298MiB
                   capabilities: primary journaled extended_attributes ext3 ext2 initialized
                   configuration: created=2009-02-13 14:16:16 filesystem=ext3 modified=2009-07-23 23:03:00 mounted=2009-07-23 20:20:34 state=clean
              *-volume:1
                   description: EXT3 volume
                   vendor: Linux
                   physical id: 2
                   bus info: scsi@0:0.0.0,2
                   logical name: /dev/sda2
                   logical name: /home
                   version: 1.0
                   serial: c40fb57d-b8ad-43c9-824f-56fc5b7e9265
                   size: 58GiB
                   capacity: 58GiB
                   capabilities: primary journaled extended_attributes large_files recover ext3 ext2 initialized
                   configuration: created=2009-02-13 14:16:22 filesystem=ext3 modified=2009-08-01 22:19:28 mount.fstype=ext3 mount.options=rw,relatime,errors=continue,data=writeback mounted=2009-08-01 22:19:28 state=mounted
              *-volume:2
                   description: Extended partition
                   physical id: 3
                   bus info: scsi@0:0.0.0,3
                   logical name: /dev/sda3
                   size: 97GiB
                   capacity: 97GiB
                   capabilities: primary extended partitioned partitioned:extended
                 *-logicalvolume:0
                      description: Linux filesystem partition
                      physical id: 5
                      logical name: /dev/sda5
                      logical name: /
                      capacity: 6549MiB
                      configuration: mount.fstype=ext3 mount.options=rw,noatime,errors=continue,data=writeback state=mounted
                 *-logicalvolume:1
                      description: Linux swap / Solaris partition
                      physical id: 6
                      logical name: /dev/sda6
                      capacity: 2047MiB
                      capabilities: nofs
                 *-logicalvolume:2
                      description: Linux filesystem partition
                      physical id: 7
                      logical name: /dev/sda7
                      logical name: /tmp
                      capacity: 10GiB
                      configuration: mount.fstype=ext3 mount.options=rw,relatime,errors=continue,data=writeback state=mounted
                 *-logicalvolume:3
                      description: Linux filesystem partition
                      physical id: 8
                      logical name: /dev/sda8
                      logical name: /var
                      capacity: 4549MiB
                      configuration: mount.fstype=ext3 mount.options=rw,relatime,errors=continue,data=writeback state=mounted
                 *-logicalvolume:4
                      description: Linux filesystem partition
                      physical id: 9
                      logical name: /dev/sda9
                      logical name: /usr
                      capacity: 29GiB
                      configuration: mount.fstype=ext3 mount.options=rw,relatime,errors=continue,data=writeback state=mounted
           *-cdrom
                description: DVD-RAM writer
                product: DVD-RW GSA-H60L
                vendor: HL-DT-ST
                physical id: 1
                bus info: scsi@1:0.0.0
                logical name: /dev/cdrom
                logical name: /dev/cdrw
                logical name: /dev/dvd
                logical name: /dev/dvdrw
                logical name: /dev/scd0
                logical name: /dev/sr0
                version: DC08
                capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
                configuration: ansiversion=5 status=nodisc
        *-network
             description: Ethernet interface
             product: MCP73 Ethernet
             vendor: nVidia Corporation
             physical id: f
             bus info: pci@0000:00:0f.0
             logical name: eth0
             version: a2
             serial: 00:1c:25:54:5f:c6
             size: 100MB/s
             capacity: 100MB/s
             width: 32 bits
             clock: 66MHz
             capabilities: pm msi bus_master cap_list ethernet physical mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
             configuration: autonegotiation=on broadcast=yes driver=forcedeth driverversion=0.64 duplex=full ip=192.168.1.3 latency=0 link=yes maxlatency=20 mingnt=1 multicast=yes port=MII speed=100MB/s
             resources: irq:28 memory:efffd000-efffdfff ioport:f600(size=8) memory:efffc000-efffc0ff memory:efffb000-efffb00f
        *-display
             description: VGA compatible controller
             product: GeForce 7100/nForce 630i
             vendor: nVidia Corporation
             physical id: 10
             bus info: pci@0000:00:10.0
             version: a2
             width: 64 bits
             clock: 66MHz
             capabilities: pm msi vga_controller bus_master cap_list rom
             configuration: driver=nvidia latency=0
             resources: irq:22 memory:ed000000-edffffff memory:d0000000-dfffffff(prefetchable) memory:ee000000-eeffffff memory:40000000-4001ffff(prefetchable)
  *-network DISABLED
       description: Wireless interface
       physical id: 1
       logical name: wlan0
       serial: 00:16:44:89:4d:04
       capabilities: ethernet physical wireless
       configuration: broadcast=yes multicast=yes wireless=IEEE 802.11bg
Thanks
 
  


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