This seems to be pretty common of an issue for people; and I would like to see how this can get resolved. I have released version of fc3 on dual opteron machine with a soundblaster live 5.1; it does not function even after using the mixer to unmute and bring all outputs to full volume:
lspci:
00:00.0 Host bridge: VIA Technologies, Inc. VT8385 [K8T800 AGP] Host Bridge (rev 01)
00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI bridge [K8T800 South]
00:07.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 0a)
00:07.1 Input device controller: Creative Labs SB Live! MIDI/Game Port (rev 0a)
00:08.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host Controller (rev 46)
00:0b.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5705 Gigabit Ethernet (rev 03)
00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420 SATA RAID Controller (rev 80)
00:0f.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge [KT600/K8T800 South]
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
00:19.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:19.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
00:19.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:19.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon R100 QD [Radeon 7200]
lsmod:
Module Size Used by
vfat 16577 0
fat 51681 1 vfat
nls_utf8 3393 0
vmnet 39576 24
vmmon 175052 16
radeon 140049 2
nfsd 264865 9
exportfs 7745 1 nfsd
lockd 76177 2 nfsd
parport_pc 29185 1
lp 14961 0
parport 48717 2 parport_pc,lp
autofs4 23369 0
i2c_dev 13633 0
i2c_core 28481 1 i2c_dev
sunrpc 168121 19 nfsd,lockd
ds 21449 0
yenta_socket 22849 0
pcmcia_core 69329 2 ds,yenta_socket
button 9057 0
battery 11209 0
ac 6729 0
usb_storage 71305 0
ohci1394 36953 0
ieee1394 379313 1 ohci1394
uhci_hcd 34665 0
ehci_hcd 33349 0
emu10k1_gp 5313 0
gameport 5953 1 emu10k1_gp
snd_emu10k1 98665 4
snd_rawmidi 29413 1 snd_emu10k1
snd_pcm_oss 59257 0
snd_mixer_oss 21313 4 snd_pcm_oss
snd_pcm 109769 2 snd_emu10k1,snd_pcm_oss
snd_timer 28617 1 snd_pcm
snd_seq_device 10573 2 snd_emu10k1,snd_rawmidi
snd_ac97_codec 80961 1 snd_emu10k1
snd_page_alloc 12881 2 snd_emu10k1,snd_pcm
snd_util_mem 6593 1 snd_emu10k1
snd_hwdep 12105 1 snd_emu10k1
snd 62089 11 snd_emu10k1,snd_rawmidi,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_seq_device,snd_ac97_codec,snd_hwdep
soundcore 12257 4 snd
tg3 85573 0
floppy 65809 0
dm_snapshot 18561 0
dm_zero 3649 0
dm_mirror 24401 2
ext3 136913 8
jbd 68721 1 ext3
dm_mod 64001 12 dm_snapshot,dm_zero,dm_mirror
sata_via 9285 5
libata 48329 1 sata_via
sd_mod 19265 1
scsi_mod 135745 3 usb_storage,libata,sd_mod