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    SubjectMemory problem
    Hi everyone,

    I just see a memory problem : i have 1Gb install on my computer and only
    275Mb are available when i take a look with "free".
    I use kernel 2.6.10, the bios tell me that i really have 1Gb (2*512
    DDR), the kernel have 4Gb option enable, so i dont understand.

    If someone have an idea.

    Thx in advance for any help,
    Regards,

    Here is some information :
    -------------------------------------------------------------------------
    Odyssee:~# free
    total used free shared buffers
    cached
    Mem: 275896 51932 223964 0 2976
    23952
    -/+ buffers/cache: 25004 250892
    Swap: 8433976 0 8433976
    -------------------------------------------------------------------------
    Odyssee:~# cat /proc/meminfo
    MemTotal: 275896 kB
    MemFree: 223516 kB
    Buffers: 3124 kB
    Cached: 24008 kB
    SwapCached: 0 kB
    Active: 20620 kB
    Inactive: 14740 kB
    HighTotal: 0 kB
    HighFree: 0 kB
    LowTotal: 275896 kB
    LowFree: 223516 kB
    SwapTotal: 8433976 kB
    MemTotal: 275896 kB
    MemFree: 223516 kB
    Buffers: 3124 kB
    Cached: 24008 kB
    SwapCached: 0 kB
    Active: 20620 kB
    Inactive: 14740 kB
    HighTotal: 0 kB
    HighFree: 0 kB
    LowTotal: 275896 kB
    LowFree: 223516 kB
    SwapTotal: 8433976 kB
    SwapFree: 8433976 kB
    Dirty: 4 kB
    Writeback: 0 kB
    Mapped: 15944 kB
    Slab: 10680 kB
    CommitLimit: 8571924 kB
    Committed_AS: 517448 kB
    PageTables: 732 kB
    VmallocTotal: 745464 kB
    VmallocUsed: 4484 kB
    VmallocChunk: 740696 kB
    -------------------------------------------------------------------------
    Linux version 2.6.10 (root@Odyssee) (gcc version 3.3.5 (Debian
    1:3.3.5-12)) #3 S
    MP Sun Apr 24 16:00:50 CEST 2005
    BIOS-provided physical RAM map:
    BIOS-e820: 0000000000000000 - 000000000009d800 (usable)
    BIOS-e820: 000000000009d800 - 00000000000a0000 (reserved)
    BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
    BIOS-e820: 0000000000100000 - 0000000011340400 (usable)
    BIOS-e820: 0000000011340400 - 0000000011343400 (ACPI NVS)
    BIOS-e820: 0000000011343400 - 0000000011350400 (ACPI data)
    BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
    user-defined physical RAM map:
    user: 0000000000000000 - 000000000009d800 (usable)
    user: 000000000009d800 - 00000000000a0000 (reserved)
    user: 00000000000f0000 - 0000000000100000 (reserved)
    user: 0000000000100000 - 0000000011340400 (usable)
    user: 0000000011340400 - 0000000011343400 (ACPI NVS)
    user: 0000000011343400 - 0000000011350400 (ACPI data)
    user: 00000000fec00000 - 0000000100000000 (reserved)
    0MB HIGHMEM available.
    275MB LOWMEM available.
    found SMP MP-table at 000f5650
    On node 0 totalpages: 70464
    DMA zone: 4096 pages, LIFO batch:1
    Normal zone: 66368 pages, LIFO batch:16
    HighMem zone: 0 pages, LIFO batch:1
    DMI 2.2 present.
    ACPI: RSDP (v000 IntelR ) @ 0x000f7110
    ACPI: RSDT (v001 IntelR AWRDACPI 0x42302e31 AWRD 0x00000000) @
    0x3fff3000
    ACPI: FADT (v001 IntelR AWRDACPI 0x42302e31 AWRD 0x00000000) @
    0x3fff3040
    ACPI: MADT (v001 IntelR AWRDACPI 0x42302e31 AWRD 0x00000000) @
    0x3fff7280
    ACPI: DSDT (v001 INTELR AWRDACPI 0x00001000 MSFT 0x0100000e) @
    0x00000000
    ACPI: Local APIC address 0xfee00000
    ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
    Processor #0 15:3 APIC version 20
    ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
    Processor #1 15:3 APIC version 20
    ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
    ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
    ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
    IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
    ACPI: IOAPIC (id[0x03] address[0xfec10000] gsi_base[24])
    IOAPIC[1]: apic_id 3, version 32, address 0xfec10000, GSI 24-47
    ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
    ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
    ACPI: IRQ0 used by override.
    ACPI: IRQ2 used by override.
    ACPI: IRQ9 used by override.
    Enabling APIC mode: Flat. Using 2 I/O APICs
    Using ACPI (MADT) for SMP configuration information
    Built 1 zonelists
    Kernel command line: auto BOOT_IMAGE=linux ro root=901 mem=1024M
    mapped APIC to ffffd000 (fee00000)
    mapped IOAPIC to ffffc000 (fec00000)
    mapped IOAPIC to ffffb000 (fec10000)
    Initializing CPU#0
    CPU 0 irqstacks, hard=c03c1000 soft=c03bf000
    PID hash table entries: 2048 (order: 11, 32768 bytes)
    Detected 2800.832 MHz processor.
    Using tsc for high-res timesource
    Console: colour VGA+ 80x25
    Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
    Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
    Memory: 275576k/281856k available (1828k kernel code, 5752k reserved,
    769k data,
    188k init, 0k highmem)
    Checking if this processor honours the WP bit even in supervisor mode...
    Ok.
    Calibrating delay loop... 5537.79 BogoMIPS (lpj=2768896)
    Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
    CPU: After generic identify, caps: bfebfbff 00000000 00000000 00000000
    CPU: After vendor identify, caps: bfebfbff 00000000 00000000 00000000
    monitor/mwait feature present.
    using mwait in idle threads.
    CPU: Trace cache: 12K uops, L1 D cache: 16K
    CPU: L2 cache: 1024K
    CPU: Physical Processor ID: 0
    CPU: After all inits, caps: bfebfbff 00000000 00000000 00000080
    Intel machine check architecture supported.
    Intel machine check reporting enabled on CPU#0.
    CPU0: Intel P4/Xeon Extended MCE MSRs (12) available
    CPU0: Thermal monitoring enabled
    Enabling fast FPU save and restore... done.
    Enabling unmasked SIMD FPU exception support... done.
    Checking 'hlt' instruction... OK.
    CPU0: Intel(R) Pentium(R) 4 CPU 2.80GHz stepping 03
    per-CPU timeslice cutoff: 2926.38 usecs.
    task migration cache decay timeout: 3 msecs.
    Booting processor 1/1 eip 3000
    CPU 1 irqstacks, hard=c03c2000 soft=c03c0000
    Initializing CPU#1
    Calibrating delay loop... 5586.94 BogoMIPS (lpj=2793472)
    CPU: After generic identify, caps: bfebfbff 00000000 00000000 00000000
    CPU: After vendor identify, caps: bfebfbff 00000000 00000000 00000000
    monitor/mwait feature present.
    CPU: Trace cache: 12K uops, L1 D cache: 16K
    CPU: L2 cache: 1024K
    CPU: Physical Processor ID: 0
    CPU: After all inits, caps: bfebfbff 00000000 00000000 00000080
    Intel machine check architecture supported.
    Intel machine check reporting enabled on CPU#1.
    CPU1: Intel P4/Xeon Extended MCE MSRs (12) available
    CPU1: Thermal monitoring enabled
    CPU1: Intel(R) Pentium(R) 4 CPU 2.80GHz stepping 03
    Total of 2 processors activated (11124.73 BogoMIPS).
    ENABLING IO-APIC IRQs
    ..TIMER: vector=0x31 pin1=2 pin2=-1
    checking TSC synchronization across 2 CPUs: passed.
    Brought up 2 CPUs
    CPU0:
    domain 0: span 3
    groups: 1 2
    domain 1: span 3
    groups: 3
    CPU1:
    domain 0: span 3
    groups: 2 1
    domain 1: span 3
    groups: 3
    NET: Registered protocol family 16
    PCI: PCI BIOS revision 2.10 entry at 0xface0, last bus=3
    PCI: Using configuration type 1
    mtrr: v2.0 (20020519)
    ACPI: Subsystem revision 20041105
    ACPI: Interpreter enabled
    ACPI: Using IOAPIC for interrupt routing
    ACPI: PCI Root Bridge [PCI0] (00:00)
    PCI: Probing PCI hardware (bus 00)
    PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.1
    PCI: Transparent bridge - 0000:00:1e.0
    ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
    ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.HUB0._PRT]
    ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.HRB_._PRT]
    ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 *5 7 9 10 11 12 14 15)
    ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 7 *9 10 11 12 14 15)
    ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 7 9 10 11 *12 14 15)
    ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 7 9 10 11 *12 14 15)
    ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 *5 7 9 10 11 12 14 15)
    ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 7 9 10 11 *12 14 15)
    ACPI: PCI Interrupt Link [LNK0] (IRQs 3 4 5 7 9 10 11 12 14 15) *0,
    disabled.
    ACPI: PCI Interrupt Link [LNK1] (IRQs 3 4 5 7 *9 10 11 12 14 15)
    SCSI subsystem initialized
    PCI: Using ACPI for IRQ routing
    ** PCI interrupts are no longer routed automatically. If this
    ** causes a device to stop working, it is probably because the
    ** driver failed to call pci_enable_device(). As a temporary
    ** workaround, the "pci=routeirq" argument restores the old
    ** behavior. If this argument makes the device work again,
    ** please email the output of "lspci" to bjorn.helgaas@hp.com
    ** so I can fix the driver.
    audit: initializing netlink socket (disabled)
    audit(1114353108.896:0): initialized
    VFS: Disk quotas dquot_6.5.1
    Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
    Initializing Cryptographic API
    serio: i8042 AUX port at 0x60,0x64 irq 12
    serio: i8042 KBD port at 0x60,0x64 irq 1
    Serial: 8250/16550 driver $Revision: 1.90 $ 8 ports, IRQ sharing
    disabled
    ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
    ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
    ttyS2 at I/O 0x3e8 (irq = 4) is a 16550A
    ttyS3 at I/O 0x2e8 (irq = 3) is a 16550A
    io scheduler noop registered
    io scheduler anticipatory registered
    io scheduler deadline registered
    io scheduler cfq registered
    Intel(R) PRO/1000 Network Driver - version 5.5.4-k2
    Copyright (c) 1999-2004 Intel Corporation.
    ACPI: PCI interrupt 0000:01:01.0[A] -> GSI 18 (level, low) -> IRQ 18
    PCI: Setting latency timer of device 0000:01:01.0 to 64
    e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
    ACPI: PCI interrupt 0000:03:02.0[A] -> GSI 17 (level, low) -> IRQ 17
    e1000: eth1: e1000_probe: Intel(R) PRO/1000 Network Connection
    Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
    ide: Assuming 33MHz system bus speed for PIO modes; override with
    idebus=xx
    Probing IDE interface ide0...
    Probing IDE interface ide1...
    ide1: Wait for ready failed before probe !
    hdd: FX600S, ATAPI CD/DVD-ROM drive
    ide2: I/O resource 0x3EE-0x3EE not free.
    ide2: ports already in use, skipping probe
    Probing IDE interface ide3...
    ide3: Wait for ready failed before probe !
    Probing IDE interface ide4...
    ide4: Wait for ready failed before probe !
    Probing IDE interface ide5...
    ide5: Wait for ready failed before probe !
    elevator: using anticipatory as default io scheduler
    ide1 at 0x170-0x177,0x376 on irq 15
    libata version 1.10 loaded.
    sata_sil version 0.8
    ACPI: PCI interrupt 0000:03:03.0[A] -> GSI 20 (level, low) -> IRQ 20
    ata1: SATA max UDMA/100 cmd 0xD2002080 ctl 0xD200208A bmdma 0xD2002000
    irq 20
    ata2: SATA max UDMA/100 cmd 0xD20020C0 ctl 0xD20020CA bmdma 0xD2002008
    irq 20
    ata3: SATA max UDMA/100 cmd 0xD2002280 ctl 0xD200228A bmdma 0xD2002200
    irq 20
    ata4: SATA max UDMA/100 cmd 0xD20022C0 ctl 0xD20022CA bmdma 0xD2002208
    irq 20
    ata1: no device found (phy stat 00000000)
    scsi0 : sata_sil
    ata2: no device found (phy stat 00000000)
    scsi1 : sata_sil
    ata3: dev 0 cfg 49:2f00 82:74eb 83:7fea 84:4023 85:74e8 86:3c02 87:4023
    88:203f
    ata3: dev 0 ATA, max UDMA/100, 321672960 sectors: lba48
    ata3: dev 0 configured for UDMA/100
    scsi2 : sata_sil
    ata4: no device found (phy stat 00000000)
    scsi3 : sata_sil
    Vendor: ATA Model: HDS722516VLSA80 Rev: V34O
    Type: Direct-Access ANSI SCSI revision: 05
    SCSI device sda: 321672960 512-byte hdwr sectors (164697 MB)
    SCSI device sda: drive cache: write back
    SCSI device sda: 321672960 512-byte hdwr sectors (164697 MB)
    SCSI device sda: drive cache: write back
    sda: sda1 sda2 sda3 sda4 < sda5 sda6 sda7 >
    Attached scsi disk sda at scsi2, channel 0, id 0, lun 0
    Attached scsi generic sg0 at scsi2, channel 0, id 0, lun 0, type 0
    mice: PS/2 mouse device common for all mice
    input: AT Translated Set 2 keyboard on isa0060/serio0
    md: raid1 personality registered as nr 3
    md: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27
    NET: Registered protocol family 2
    IP: routing cache hash table of 2048 buckets, 16Kbytes
    TCP: Hash tables configured (established 32768 bind 32768)
    arp_tables: (C) 2002 David S. Miller
    NET: Registered protocol family 1
    NET: Registered protocol family 17
    Starting balanced_irq
    ACPI wakeup devices:
    PCI0 CSAD HUB0 UAR1 UAR2 USB0 USB1 USBE MODM
    ACPI: (supports S0 S1 S4 S5)
    md: Autodetecting RAID arrays.
    md: autorun ...
    md: considering sda7 ...
    md: adding sda7 ...
    md: sda6 has different UUID to sda7
    md: sda5 has different UUID to sda7
    md: sda3 has different UUID to sda7
    md: sda2 has different UUID to sda7
    md: sda1 has different UUID to sda7
    md: created md5
    md: bind<sda7>
    md: running: <sda7>
    raid1: raid set md5 active with 1 out of 2 mirrors
    md: considering sda6 ...
    md: adding sda6 ...
    md: sda5 has different UUID to sda6
    md: sda3 has different UUID to sda6
    md: sda2 has different UUID to sda6
    md: sda1 has different UUID to sda6
    md: created md4
    md: bind<sda6>
    md: running: <sda6>
    raid1: raid set md4 active with 1 out of 2 mirrors
    md: considering sda5 ...
    md: adding sda5 ...
    md: sda3 has different UUID to sda5
    md: sda2 has different UUID to sda5
    md: sda1 has different UUID to sda5
    md: created md3
    md: bind<sda5>
    md: running: <sda5>
    raid1: raid set md3 active with 1 out of 2 mirrors
    md: considering sda3 ...
    md: adding sda3 ...
    md: sda2 has different UUID to sda3
    md: sda1 has different UUID to sda3
    md: created md2
    md: bind<sda3>
    md: running: <sda3>
    raid1: raid set md2 active with 1 out of 2 mirrors
    md: considering sda2 ...
    md: adding sda2 ...
    md: sda1 has different UUID to sda2
    md: created md1
    md: bind<sda2>
    md: running: <sda2>
    raid1: raid set md1 active with 1 out of 2 mirrors
    md: considering sda1 ...
    md: adding sda1 ...
    md: created md0
    md: bind<sda1>
    md: running: <sda1>
    raid1: raid set md0 active with 1 out of 2 mirrors
    md: ... autorun DONE.
    kjournald starting. Commit interval 5 seconds
    EXT3-fs: mounted filesystem with ordered data mode.
    VFS: Mounted root (ext3 filesystem) readonly.
    Freeing unused kernel memory: 188k freed
    Adding 8433976k swap on /dev/md5. Priority:-1 extents:1
    EXT3 FS on md1, internal journal
    kjournald starting. Commit interval 5 seconds
    EXT3 FS on md2, internal journal
    EXT3-fs: mounted filesystem with ordered data mode.
    kjournald starting. Commit interval 5 seconds
    EXT3 FS on md3, internal journal
    EXT3-fs: mounted filesystem with ordered data mode.
    e1000: eth0: e1000_watchdog: NIC Link is Up 100 Mbps Full Duplex

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