X58A-UD3Rで、HDMIに音声出力が出来ない

GIGABYTE X58A-UD3R (Rev. 2.0)*1Edubuntu をインストールしてみたのだが、なぜかHDMIに音声出力が出来ない。
それもEdubuntu 12.04.2 64ビット版 DVD-Rで起動した時にはHDMIから音声出力が出来るのに、HDDにインストールしてHDDから起動すると音が出ないのである。

まずはHDDから起動した時のハードウェア情報をゲットしてみた。

$ LC_ALL=C sudo lshw -class multimedia
  *-multimedia            
       description: Audio device
       product: High Definition Audio Controller
       vendor: NVIDIA Corporation
       physical id: 0.1
       bus info: pci@0000:03:00.1
       version: a1
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: driver=snd_hda_intel latency=0
       resources: irq:17 memory:faffc000-faffffff
  *-multimedia
       description: Audio device
       product: 82801JI (ICH10 Family) HD Audio Controller
       vendor: Intel Corporation
       physical id: 1b
       bus info: pci@0000:00:1b.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: driver=snd_hda_intel latency=0
       resources: irq:54 memory:fbff8000-fbffbfff

ALSAバイス

$ LC_ALL=C aplay -l
 **** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC889 Analog [ALC889 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: ALC889 Digital [ALC889 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 7: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 8: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 9: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ALSAエイリアス

$ LC_ALL=C aplay -L
default
    Playback/recording through the PulseAudio sound server
sysdefault:CARD=Intel
    HDA Intel, ALC889 Analog
    Default Audio Device
front:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    Front speakers
surround40:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Intel,DEV=0
    HDA Intel, ALC889 Digital
    IEC958 (S/PDIF) Digital Audio Output
dmix:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    Direct sample mixing device
dmix:CARD=Intel,DEV=1
    HDA Intel, ALC889 Digital
    Direct sample mixing device
dsnoop:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    Direct sample snooping device
dsnoop:CARD=Intel,DEV=1
    HDA Intel, ALC889 Digital
    Direct sample snooping device
hw:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    Direct hardware device without any conversions
hw:CARD=Intel,DEV=1
    HDA Intel, ALC889 Digital
    Direct hardware device without any conversions
plughw:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    Hardware device with all software conversions
plughw:CARD=Intel,DEV=1
    HDA Intel, ALC889 Digital
    Hardware device with all software conversions
hdmi:CARD=NVidia,DEV=0
    HDA NVidia, HDMI 0
    HDMI Audio Output
hdmi:CARD=NVidia,DEV=1
    HDA NVidia, HDMI 0
    HDMI Audio Output
hdmi:CARD=NVidia,DEV=2
    HDA NVidia, HDMI 0
    HDMI Audio Output
hdmi:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 0
    HDMI Audio Output
dmix:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 0
    Direct sample mixing device
dmix:CARD=NVidia,DEV=7
    HDA NVidia, HDMI 0
    Direct sample mixing device
dmix:CARD=NVidia,DEV=8
    HDA NVidia, HDMI 0
    Direct sample mixing device
dmix:CARD=NVidia,DEV=9
    HDA NVidia, HDMI 0
    Direct sample mixing device
dsnoop:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 0
    Direct sample snooping device
dsnoop:CARD=NVidia,DEV=7
    HDA NVidia, HDMI 0
    Direct sample snooping device
dsnoop:CARD=NVidia,DEV=8
    HDA NVidia, HDMI 0
    Direct sample snooping device
dsnoop:CARD=NVidia,DEV=9
    HDA NVidia, HDMI 0
    Direct sample snooping device
hw:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 0
    Direct hardware device without any conversions
hw:CARD=NVidia,DEV=7
    HDA NVidia, HDMI 0
    Direct hardware device without any conversions
hw:CARD=NVidia,DEV=8
    HDA NVidia, HDMI 0
    Direct hardware device without any conversions
hw:CARD=NVidia,DEV=9
    HDA NVidia, HDMI 0
    Direct hardware device without any conversions
plughw:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 0
    Hardware device with all software conversions
plughw:CARD=NVidia,DEV=7
    HDA NVidia, HDMI 0
    Hardware device with all software conversions
plughw:CARD=NVidia,DEV=8
    HDA NVidia, HDMI 0
    Hardware device with all software conversions
plughw:CARD=NVidia,DEV=9
    HDA NVidia, HDMI 0
    Hardware device with all software conversions

DVDから起動したとき

edubuntu@edubuntu:~$ LC_ALL=C sudo lshw -class multimedia
  *-multimedia            
       description: Audio device
       product: High Definition Audio Controller
       vendor: NVIDIA Corporation
       physical id: 0.1
       bus info: pci@0000:03:00.1
       version: a1
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: driver=snd_hda_intel latency=0
       resources: irq:17 memory:faffc000-faffffff
  *-multimedia
       description: Audio device
       product: 82801JI (ICH10 Family) HD Audio Controller
       vendor: Intel Corporation
       physical id: 1b
       bus info: pci@0000:00:1b.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: driver=snd_hda_intel latency=0
       resources: irq:54 memory:fbff8000-fbffbfff
$ LC_ALL=C aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC889 Analog [ALC889 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: ALC889 Digital [ALC889 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 7: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 8: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 9: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
$ LC_ALL=C aplay -L
default
    Playback/recording through the PulseAudio sound server
sysdefault:CARD=Intel
    HDA Intel, ALC889 Analog
    Default Audio Device
front:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    Front speakers
surround40:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Intel,DEV=0
    HDA Intel, ALC889 Digital
    IEC958 (S/PDIF) Digital Audio Output
dmix:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    Direct sample mixing device
dmix:CARD=Intel,DEV=1
    HDA Intel, ALC889 Digital
    Direct sample mixing device
dsnoop:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    Direct sample snooping device
dsnoop:CARD=Intel,DEV=1
    HDA Intel, ALC889 Digital
    Direct sample snooping device
hw:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    Direct hardware device without any conversions
hw:CARD=Intel,DEV=1
    HDA Intel, ALC889 Digital
    Direct hardware device without any conversions
plughw:CARD=Intel,DEV=0
    HDA Intel, ALC889 Analog
    Hardware device with all software conversions
plughw:CARD=Intel,DEV=1
    HDA Intel, ALC889 Digital
    Hardware device with all software conversions
hdmi:CARD=NVidia,DEV=0
    HDA NVidia, HDMI 0
    HDMI Audio Output
hdmi:CARD=NVidia,DEV=1
    HDA NVidia, HDMI 0
    HDMI Audio Output
hdmi:CARD=NVidia,DEV=2
    HDA NVidia, HDMI 0
    HDMI Audio Output
hdmi:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 0
    HDMI Audio Output
dmix:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 0
    Direct sample mixing device
dmix:CARD=NVidia,DEV=7
    HDA NVidia, HDMI 0
    Direct sample mixing device
dmix:CARD=NVidia,DEV=8
    HDA NVidia, HDMI 0
    Direct sample mixing device
dmix:CARD=NVidia,DEV=9
    HDA NVidia, HDMI 0
    Direct sample mixing device
dsnoop:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 0
    Direct sample snooping device
dsnoop:CARD=NVidia,DEV=7
    HDA NVidia, HDMI 0
    Direct sample snooping device
dsnoop:CARD=NVidia,DEV=8
    HDA NVidia, HDMI 0
    Direct sample snooping device
dsnoop:CARD=NVidia,DEV=9
    HDA NVidia, HDMI 0
    Direct sample snooping device
hw:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 0
    Direct hardware device without any conversions
hw:CARD=NVidia,DEV=7
    HDA NVidia, HDMI 0
    Direct hardware device without any conversions
hw:CARD=NVidia,DEV=8
    HDA NVidia, HDMI 0
    Direct hardware device without any conversions
hw:CARD=NVidia,DEV=9
    HDA NVidia, HDMI 0
    Direct hardware device without any conversions
plughw:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 0
    Hardware device with all software conversions
plughw:CARD=NVidia,DEV=7
    HDA NVidia, HDMI 0
    Hardware device with all software conversions
plughw:CARD=NVidia,DEV=8
    HDA NVidia, HDMI 0
    Hardware device with all software conversions
plughw:CARD=NVidia,DEV=9
    HDA NVidia, HDMI 0
    Hardware device with all software conversions

あまり違いがないような気がするのだけど・・・
なぜかHDDから起動したときに、サウンド設定をみるとS/PDIFが認識されていないようで、HDMIとアナログの2つしか選択しがない。


さて、どうしようかなぁ・・・


*1:GIGABYTEマザーボードにおけるリビジョンの確認は、基板四隅のうちPCI拡張スロット側の角に印字がある。情報源:「ユーザーズマニュアル」改版1002、12MJ-X58AU3R-1002R より。