IRQ nobody cared kernel oops errors

[yitzhak b. g. <yit...@ya...>]

I am plagued by this problem. It only shows up in Ruby
kernels with the Nvidia driver. It occurs on differnet
machines. Please advise.
Following is a section from the kernel/errors log,
section of xorg.conf:
Sep 12 12:19:24 box2 kernel: NVRM: Xid: 16, Head
00000000 Count 00006971
Sep 12 12:23:26 box2 kernel: audit(1126516977.740:0):
initialized
Sep 12 12:25:06 box2 kernel: irq 3: nobody cared!
Sep 12 12:25:07 box2 kernel: handlers:
Sep 12 12:25:07 box2 kernel:
[pg0+550227194/1068971008] (nv_kern_isr+0x0/0x69
[nvidia])
Sep 12 12:25:07 box2 kernel: [<e1147cfa>]
(nv_kern_isr+0x0/0x69 [nvidia])
Sep 12 12:25:07 box2 kernel: Disabling IRQ #3
Sep 12 12:25:07 box2 kernel: irq 10: nobody cared!
Sep 12 12:25:07 box2 kernel: handlers:
Sep 12 12:25:07 box2 kernel:
[ip_mc_destroy_dev+32/176] (usb_hcd_irq+0x0/0x70)
Sep 12 12:25:07 box2 kernel: [<c0326080>]
(usb_hcd_irq+0x0/0x70)
Sep 12 12:25:07 box2 kernel:
[pcibios_fixup_ghosts+272/304]
(velocity_intr+0x0/0xd0)
Sep 12 12:25:07 box2 kernel: [<c02d2d00>]
(velocity_intr+0x0/0xd0)
Sep 12 12:25:07 box2 kernel:
[pg0+550227194/1068971008] (nv_kern_isr+0x0/0x69
[nvidia])
Sep 12 12:25:07 box2 kernel: [<e1147cfa>]
(nv_kern_isr+0x0/0x69 [nvidia])
Sep 12 12:25:07 box2 kernel:
[pg0+550227194/1068971008] (nv_kern_isr+0x0/0x69
[nvidia])
Sep 12 12:25:07 box2 kernel: [<e1147cfa>]
(nv_kern_isr+0x0/0x69 [nvidia])
Sep 12 12:25:07 box2 kernel: Disabling IRQ #10
Sep 12 12:25:14 box2 kernel: NVRM: Xid: 16, Head
00000000 Count 00000a77
Sep 12 12:25:14 box2 kernel: NVRM: Xid: 16, Head
00000000 Count 00000bcd
Sep 12 12:25:14 box2 kernel: NVRM: Xid: 16, Head
00000000 Count 00000d33
Sep 12 12:25:22 box2 kernel: NVRM: Xid: 16, Head
00000000 Count 00000a78
.
  .
    .
Sep 12 12:27:15 box2 kernel: NVRM: Xid: 16, Head
00000000 Count 00000a86
Sep 12 12:27:15 box2 kernel: NVRM: Xid: 16, Head
00000000 Count 00000bdc
Sep 12 12:27:15 box2 kernel: NVRM: Xid: 16, Head
00000000 Count 00000d42
Sep 12 12:38:51 box2 kernel: audit(1126517900.429:0):
initialized
Sep 12 14:25:38 box2 kernel: audit(1126524311.746:0):
initialized
Sep 12 14:55:59 box2 kernel: audit(1126526132.748:0):
initialized
Sep 12 15:00:51 box2 kernel: irq 3: nobody cared!
Sep 12 15:00:52 box2 kernel: handlers:
Sep 12 15:00:52 box2 kernel:
[pg0+550227194/1068971008] (nv_kern_isr+0x0/0x69
[nvidia])
Sep 12 15:00:52 box2 kernel: [<e1147cfa>]
(nv_kern_isr+0x0/0x69 [nvidia])
Sep 12 15:00:52 box2 kernel: Disabling IRQ #3
Sep 12 15:01:00 box2 kernel: NVRM: Xid: 16, Head
00000000 Count 00003987
Sep 12 15:01:08 box2 kernel: NVRM: Xid: 16, Head
00000000 Count 00003988
Sep 12 15:01:16 box2 kernel: NVRM: Xid: 16, Head
00000000 Count 00003989
.
 .
  .
   .
Sep 12 15:02:45 box2 kernel: NVRM: Xid: 16, Head
00000000 Count 00003994
Sep 12 15:02:53 box2 kernel: NVRM: Xid: 16, Head
00000000 Count 00003995
Sep 12 15:03:01 box2 kernel: NVRM: Xid: 16, Head
00000000 Count 00003996
Sep 12 15:30:05 box2 kernel: audit(1126528173.166:0):
initialized
Sep 12 16:16:54 box2 kernel: audit(1126530978.015:0):
initialized

From xorg.conf:
Section "Module"
    Load "dbe" # Double-Buffering Extension
    Load "v4l" # Video for Linux
    Load "extmod"
    Load "type1"
    Load "freetype"
    Load "glx"
    Load "vbe"
EndSection

Section "Device"
    Identifier "device0"
    VendorName "nVidia Corporation"
    BoardName "NVIDIA GeForce4 (generic)"
    Driver "nvidia"
    
    Screen 0
    BusID "PCI:1:0:0"
    Option "DPMS" "Off"
    Option "HWCursor" "on"
    Option "UseInt10Module" "off"
    Option "IgnoreDisplayDevices" "DFP, TV"
    Option "ConnectedMonitor" "CRT"
    Option "IgnoreEDID" "off"
    Option "NvAgp" "1"
EndSection

Section "Device"
Identifier "device1"
    VendorName "NVidia"
    BoardName "NVIDIA GeForce4 (generic)"
    Driver "nvidia"
    
    Screen 0
    BusID "PCI:2:10:0"
    Option "DPMS" "Off"
    Option "HWCursor" "on"
    Option "UseInt10Module" "on"
    Option "IgnoreDisplayDevices" "DFP, TV"
    Option "ConnectedMonitor" "CRT"
    Option "IgnoreEDID" "off"
#    Option "NvAgp" "0"
EndSection

Section "Device"
    Identifier "device2"
    VendorName "NVidia"
    BoardName "NVIDIA GeForce4 (generic)"
    Driver "nvidia"
    
    Screen 0
    BusID "PCI:2:08:0"
    Option "DPMS" "Off"
    Option "HWCursor" "on"
    Option "UseInt10Module" "on"
    Option "IgnoreDisplayDevices" "DFP, TV"
    Option "ConnectedMonitor" "CRT"
    Option "IgnoreEDID" "off"
#    Option "NvAgp" "0"
EndSection

Section "Device"
    Identifier "device3"
    VendorName "NVidia"
    BoardName "NVIDIA GeForce4 (generic)"
    Driver "nvidia"
    
    Screen 0
    BusID "PCI:2:06:0"
    Option "DPMS" "Off"
    Option "HWCursor" "on"
    Option "UseInt10Module" "on"
    Option "IgnoreDisplayDevices" "DFP, TV"
    Option "ConnectedMonitor" "CRT"
    Option "IgnoreEDID" "off"
#    Option "NvAgp" "0"
EndSection