Olá. O controlador nao está no mudo.
Rodei os comandos que voce me enviou:
lsmod | egrep 'snd*'
snd_intel8x0 25632 1
snd_ac97_codec 99227 1 snd_intel8x0
ac97_bus 1014 1 snd_ac97_codec
snd_pcm 71475 2 snd_intel8x0,snd_ac97_codec
snd_seq_midi 4588 0
snd_rawmidi 17783 1 snd_seq_midi
snd_seq_midi_event 6047 1 snd_seq_midi
snd_seq 47174 2 snd_seq_midi,snd_seq_midi_event
snd_timer 19067 2 snd_pcm,snd_seq
snd_seq_device 5744 3 snd_seq_midi,snd_rawmidi,snd_seq
snd 49006 9 snd_intel8x0,snd_ac97_codec,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore 880 1 snd
snd_page_alloc 7120 2 snd_intel8x0,snd_pcm
dmesg | grep '00:1e.2'
[ 0.049451] pci 0000:00:1e.2: reg 10: [io 0xe000-0xe0ff]
[ 0.049459] pci 0000:00:1e.2: reg 14: [io 0xe100-0xe13f]
[ 0.049467] pci 0000:00:1e.2: reg 18: [mem 0xd0000000-0xd00001ff]
[ 0.049475] pci 0000:00:1e.2: reg 1c: [mem 0xd0000200-0xd00002ff]
[ 0.049513] pci 0000:00:1e.2: PME# supported from D0 D3hot D3cold
[ 0.049518] pci 0000:00:1e.2: PME# disabled
[ 19.906729] Intel ICH 0000:00:1e.2: PCI INT A -> Link[LNKB] -> GSI 10 (level, low) -> IRQ 10
[ 19.906767] Intel ICH 0000:00:1e.2: setting latency timer to 64
[ 5585.012349] Intel ICH 0000:00:1e.2: PCI INT A disabled
[ 5882.043486] Intel ICH 0000:00:1e.2: restoring config space at offset 0x1 (was 0x2900007, writing 0x2900003)
[ 5882.052073] Intel ICH 0000:00:1e.2: PCI INT A -> Link[LNKB] -> GSI 10 (level, low) -> IRQ 10
[ 5882.052078] Intel ICH 0000:00:1e.2: setting latency timer to 64
[ 5884.642147] PM: resume of drv:Intel ICH dev:0000:00:1e.2 complete after 2590.080 msecs
cat /proc/asound/cards
0 [ICH6 ]: ICH4 - Intel ICH6
Intel ICH6 with AD1980 at irq 10
Muito obrigado
Ricardo