Before you go back to Solaris 10, try debuging the kernel i.e: url: http://www.opensolaris.org/os/project/cn/files/System_hangs_debugging-ext-v1.1.pdf
When you decide to go back to Solairis 10, sign up Solaris Registration run a shutdown -y -g0 -i6 this runs bootadm update-archive and completes setting the upt svcs services and boot back up and login to apply all the patches via: smpatch analyze ; smpatch download ; smpatch update In your Solaris 10 scanpci outpuit for AC'97 Audio Controller. >> pci bus 0x0000 cardnum 0x14 function 0x05: vendor 0x1002 device 0x4341 >> ATI Technologies Inc IXP150 AC'97 Audio Controller Then add the entry to see if the sound card can me made to work by setting the bios to AC'97 Audio Controller vs Sound Blaster. cp /etc/driver_aliases /etc/driver_aliases.org vi and add a line to the bottom of /etc/driver_aliases i.e: audioixp "pci1002,4341" then run: touch /reconfigure /usr/sbin/shutdown -y -g0 -i6 see if the sound works and ether way attach the dmesg output and the prtdiag -v -- This message posted from opensolaris.org