John R Pierce wrote: > > whats cat /proc/meminfo say? > # cat /proc/meminfo MemTotal: 6104064 kB MemFree: 1992580 kB Buffers: 2060812 kB Cached: 1515056 kB SwapCached: 0 kB Active: 1913988 kB Inactive: 1793012 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 6104064 kB LowFree: 1992580 kB SwapTotal: 2031608 kB SwapFree: 2031608 kB Dirty: 100 kB Writeback: 0 kB AnonPages: 131120 kB Mapped: 13216 kB Slab: 137600 kB PageTables: 9004 kB NFS_Unstable: 0 kB Bounce: 0 kB CommitLimit: 5083640 kB Committed_AS: 354988 kB VmallocTotal: 34359738367 kB VmallocUsed: 3196 kB VmallocChunk: 34359734335 kB > what do you see at the top of `dmesg` relating to memory (first 100 or > so lines). > Bootdata ok (command line is ro root=/dev/VolGroup00/LogVol00) Linux version 2.6.18-53.1.21.el5xen (mockbuild at builder10.centos.org) (gcc version 4.1.2 20070626 (Red Hat 4.1.2-14)) #1 SMP Tue May 20 10:03:27 EDT 2008 BIOS-provided physical RAM map: Xen: 0000000000000000 - 00000001ef8fb000 (usable) On node 0 totalpages: 2029819 DMA zone: 2029819 pages, LIFO batch:31 DMI 2.5 present. ACPI: RSDP (v002 DELL ) @ 0x00000000000f97a0 ACPI: XSDT (v001 DELL FX09 0x42302e31 AWRD 0x00000000) @ 0x00000000cf5e3080 ACPI: FADT (v003 DELL FX09 0x42302e31 AWRD 0x00000000) @ 0x00000000cf5e7200 ACPI: HPET (v001 DELL FX09 0x42302e31 AWRD 0x00000098) @ 0x00000000cf5e73c0 ACPI: MCFG (v001 DELL FX09 0x42302e31 AWRD 0x00000000) @ 0x00000000cf5e7400 ACPI: SLIC (v001 DELL FX09 0x42302e31 AWRD 0x00000000) @ 0x00000000cf5e7440 ACPI: OSFR (v001 DELL FX09 0x42302e31 AWRD 0x00000000) @ 0x00000000cf5e75c0 ACPI: MADT (v001 DELL FX09 0x42302e31 AWRD 0x00000000) @ 0x00000000cf5e7300 ACPI: SSDT (v001 PmRef CpuPm 0x00003000 INTL 0x20041203) @ 0x00000000cf5e7f60 ACPI: DSDT (v001 DELL AWRDACPI 0x00001000 MSFT 0x03000000) @ 0x0000000000000000 ACPI: Local APIC address 0xfee00000 ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x02] enabled) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x03] enabled) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x01] enabled) ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1]) ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0]) IOAPIC[0]: apic_id 4, version 32, address 0xfec00000, GSI 0-23 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. Setting APIC routing to xen Using ACPI (MADT) for SMP configuration information Allocating PCI resources starting at d0000000 (gap: cf600000:10a00000) Built 1 zonelists. Total pages: 2029819 Kernel command line: ro root=/dev/VolGroup00/LogVol00 Initializing CPU#0 PID hash table entries: 4096 (order: 12, 32768 bytes) Xen reported: 2394.066 MHz processor. Console: colour VGA+ 80x25 Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) Software IO TLB enabled: Aperture: 64 megabytes Kernel range: 0xffff88000a9d9000 - 0xffff88000e9d9000 PCI-DMA: Using software bounce buffering for IO (SWIOTLB) Memory: 7875568k/8119276k available (2358k kernel code, 234816k reserved, 1325k data, 172k init) ...