No irq handler for vector (irq -1)

I have installed ubuntu 9.10 64bits and iḿ very happy because finally i couldn install my video card and enable Compiz effects.

But, since than every time i turn on my computer, before appears ubntu logo on boot the following message appears:

Nov 11 00:29:27 andresimi kernel: [ 8161.609160] do_IRQ: 0.91 No irq handler for vector (irq -1)
Nov 11 00:29:27 andresimi kernel: [ 8161.609246] do_IRQ: 0.91 No irq handler for vector (irq -1)
Nov 11 00:29:27 andresimi kernel: [ 8161.609363] do_IRQ: 0.91 No irq handler for vector (irq -1)
Nov 11 00:29:27 andresimi kernel: [ 8161.609421] do_IRQ: 0.91 No irq handler for vector (irq -1)
Nov 11 00:29:27 andresimi kernel: [ 8161.609537] do_IRQ: 0.91 No irq handler for vector (irq -1)
Nov 11 00:29:27 andresimi kernel: [ 8161.609624] do_IRQ: 0.91 No irq handler for vector (irq -1)

When i got on ubuntu on the system log on the kern.log and on the syslog i got flooded of this messages.

I don know if it is correlated, but I cant use skype, my microphone doesn work, when i make the test call it records the last words from the atendent and repeats it forever..

Anyone know what this messages means?
thanx very much