maybe this compal fl90 hardware problem ?? On my Ubuntu 11.10 only on kernel 3.0.0-9-generic bug no ocured No good: dmesg |grep 0000:01:00 [ 0.219419] pci 0000:01:00.0: [10de:0407] type 0 class 0x000300 [ 0.219468] pci 0000:01:00.0: reg 10: [mem 0xc6000000-0xc6ffffff] [ 0.219521] pci 0000:01:00.0: reg 14: [mem 0xd0000000-0xdfffffff 64bit pref] [ 0.219574] pci 0000:01:00.0: reg 1c: [mem 0xc4000000-0xc5ffffff 64bit] [ 0.219609] pci 0000:01:00.0: reg 24: [io 0x2000-0x207f] [ 0.219643] pci 0000:01:00.0: reg 30: [mem 0x00000000-0x0001ffff pref] [ 0.257689] vgaarb: device added: PCI:0000:01:00.0,decodes=io+mem,owns=io+mem,locks=none [ 0.257696] vgaarb: bridge control possible 0000:01:00.0 [ 0.328541] pci 0000:01:00.0: BAR 6: can't assign mem pref (size 0x20000) [ 14.698217] nvidia 0000:01:00.0: power state changed by ACPI to D0 [ 14.698224] nvidia 0000:01:00.0: power state changed by ACPI to D0 [ 14.698236] nvidia 0000:01:00.0: enabling device (0000 -> 0003) [ 14.698244] nvidia 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 14.698255] nvidia 0000:01:00.0: setting latency timer to 64 [ 14.698261] vgaarb: device changed decodes: PCI:0000:01:00.0,olddecodes=io+mem,decodes=none:owns=io+mem [ 14.698292] NVRM: The NVIDIA GPU 0000:01:00.0 (PCI ID: 10de:0407) installed [ 14.698306] nvidia 0000:01:00.0: PCI INT A disabled [ 14.698315] nvidia: probe of 0000:01:00.0 failed with error -1 [ 17.116986] nvidia 0000:01:00.0: power state changed by ACPI to D0 [ 17.116993] nvidia 0000:01:00.0: power state changed by ACPI to D0 [ 17.117005] nvidia 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 17.117018] nvidia 0000:01:00.0: setting latency timer to 64 [ 17.117024] vgaarb: device changed decodes: PCI:0000:01:00.0,olddecodes=none,decodes=none:owns=io+mem [ 17.117060] NVRM: The NVIDIA GPU 0000:01:00.0 (PCI ID: 10de:0407) installed [ 17.117076] nvidia 0000:01:00.0: PCI INT A disabled [ 17.117087] nvidia: probe of 0000:01:00.0 failed with error -1 [ 17.161217] nouveau 0000:01:00.0: power state changed by ACPI to D0 [ 17.161223] nouveau 0000:01:00.0: power state changed by ACPI to D0 [ 17.161234] nouveau 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 17.161243] nouveau 0000:01:00.0: setting latency timer to 64 [ 17.162737] [drm] nouveau 0000:01:00.0: Unsupported chipset 0xffffffff [ 17.163376] nouveau 0000:01:00.0: PCI INT A disabled [ 17.163382] nouveau: probe of 0000:01:00.0 failed with error -22 OK [ 0.231117] pci 0000:01:00.0: [10de:0407] type 0 class 0x000300 [ 0.231165] pci 0000:01:00.0: reg 10: [mem 0xc6000000-0xc6ffffff] [ 0.231219] pci 0000:01:00.0: reg 14: [mem 0xd0000000-0xdfffffff 64bit pref] [ 0.231272] pci 0000:01:00.0: reg 1c: [mem 0xc4000000-0xc5ffffff 64bit] [ 0.231307] pci 0000:01:00.0: reg 24: [io 0x2000-0x207f] [ 0.231341] pci 0000:01:00.0: reg 30: [mem 0x00000000-0x0001ffff pref] [ 0.245657] vgaarb: device added: PCI:0000:01:00.0,decodes=io+mem,owns=io+mem,locks=none [ 0.245664] vgaarb: bridge control possible 0000:01:00.0 [ 0.316558] pci 0000:01:00.0: BAR 6: can't assign mem pref (size 0x20000) [ 0.318426] pci 0000:01:00.0: Boot video device [ 16.928827] nvidia 0000:01:00.0: power state changed by ACPI to D0 [ 16.928837] nvidia 0000:01:00.0: power state changed by ACPI to D0 [ 16.928852] nvidia 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 16.928868] nvidia 0000:01:00.0: setting latency timer to 64 [ 16.928877] vgaarb: device changed decodes: PCI:0000:01:00.0,olddecodes=io+mem,decodes=none:owns=io+mem