I don't believe this is a problem with Xorg or Xserver. 

Sorry for got to post my specs
Lucid 10.04 lts

$ uname -a
Linux aaronwk 2.6.32-28-generic #55-Ubuntu SMP Mon Jan 10 21:21:01 UTC 2011 i686 GNU/Linux


Selected lshw output


description: Desktop Computer
    product: SB95V20
    vendor: Shuttle Inc
    width: 32 bits
    capabilities: smbios-2.2 dmi-2.2 smp-1.4 smp
    configuration: boot=normal chassis=desktop cpus=1
  *-core
       description: Motherboard
       product: FB95V20
       vendor: Shuttle Inc
       physical id: 0
     *-firmware
          description: BIOS
          vendor: Phoenix Technologies, LTD
          physical id: 0
          version: 6.00 PG (09/15/2005)
          size: 128KiB
          capacity: 448KiB
          capabilities: isa pci pnp apm upgrade shadowing cdboot bootselect socketedrom edd int13floppy360 int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer int10video acpi usb ls120boot zipboot
     *-cpu
          description: CPU
          product: Intel(R) Pentium(R) 4 CPU 3.40GHz
          vendor: Intel Corp.
          physical id: 4
          bus info: cpu@0
          version: 15.6.5
          serial: 0000-0F65-0000-0000-0000-0000
          slot: Socket 478
          size: 3400MHz
          capacity: 4GHz
          width: 64 bits
          clock: 200MHz
          capabilities: boot fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx x86-64 constant_tsc pebs bts pni dtes64 monitor ds_cpl est tm2 cid cx16 xtpr pdcm lahf_lm cpufreq
          configuration: id=1
        *-cache
             description: L1 cache
             physical id: a
             slot: Internal Cache
             size: 32KiB
             capacity: 32KiB
             capabilities: synchronous internal write-back
        *-logicalcpu:0
             description: Logical CPU
             physical id: 1.1
             width: 64 bits
             capabilities: logical
        *-logicalcpu:1
             description: Logical CPU
             physical id: 1.2
             width: 64 bits
             capabilities: logical
   *-memory
          description: System Memory
          physical id: 1c
          slot: System board or motherboard
          size: 2771MiB
 *-pci
          description: Host bridge
          product: 82925X/XE Memory Controller Hub
          vendor: Intel Corporation
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 04
          width: 32 bits
          clock: 33MHz
        *-pci:0
             description: PCI bridge
             product: 82925X/XE PCI Express Root Port
             vendor: Intel Corporation
             physical id: 1
             bus info: pci@0000:00:01.0
             version: 04
             width: 32 bits
             clock: 33MHz
             capabilities: pci pm msi pciexpress bus_master cap_list
             configuration: driver=pcieport
             resources: irq:24 ioport:c000(size=4096) memory:b0000000-cfffffff memory:d0300000-d03fffff(prefetchable)

 *-display
                description: VGA compatible controller
                product: G84 [GeForce 8600 GTS]
                vendor: nVidia Corporation
                physical id: 0
                bus info: pci@0000:01:00.0
                version: a1
                width: 64 bits
                clock: 33MHz
                capabilities: pm msi pciexpress bus_master cap_list rom
                configuration: driver=nouveau latency=0
                resources: irq:16 memory:c2000000-c2ffffff memory:b0000000-bfffffff(prefetchable) memory:c0000000-c1ffffff ioport:c000(size=128) memory:d0300000-d031ffff(prefetchable)
        *-multimedia
             description: Audio device
             product: 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller
             vendor: Intel Corporation
             physical id: 1b
             bus info: pci@0000:00:1b.0
             version: 04
             width: 64 bits
             clock: 33MHz
             capabilities: pm msi pciexpress bus_master cap_list
             configuration: driver=HDA Intel latency=0
             resources: irq:16 memory:d0200000-d0203fff