Infrastructure Software

I've installed Solaris 10 FCS on laptop HP nc6000.
During the boot Solaris complains about IRQ11.
See the messages:

Feb 21 10:05:44 pcded i8042: [ID 526150 kern.info] 8042 device: mouse@1, mouse8042 # 0
Feb 21 10:05:44 pcded genunix: [ID 936769 kern.info] mouse80420 is /isa/i8042@1,60/mouse@1
Feb 21 10:15:17 pcded pseudo: [ID 129642 kern.info] pseudo-device: pool0
Feb 21 10:15:17 pcded genunix: [ID 936769 kern.info] pool0 is /pseudo/pool@0
Feb 21 10:15:52 pcded unix: [ID 954099 kern.info] NOTICE: IRQ11 is being shared by drivers with different interrupt levels.
Feb 21 10:15:52 pcded This may result in reduced system performance.
Feb 21 10:15:52 pcded audiosup: [ID 275371 kern.info] NOTICE: audio8100: audio8100: xid=0x0605, vid1=0x4144, vid2=0x5374
Feb 21 10:15:52 pcded unix: [ID 954099 kern.info] NOTICE: IRQ11 is being shared by drivers with different interrupt levels.
Feb 21 10:15:52 pcded This may result in reduced system performance.
Feb 21 10:15:52 pcded pci: [ID 370704 kern.info] PCI-device: pci103c,890@1f,5, audio8100
Feb 21 10:15:52 pcded genunix: [ID 936769 kern.info] audio8100 is /pci@0,0/pci103c,890@1f,5

Also, playback in Solaris is very noisy. Defenately there is something wrong with IRQ sharing.
The question is how to fix the problem?

PS. MS Windows works perfect on this laptop.