FC4 laptop no sound AC'97: amixer: Unable to find simple control PCM-2 and DRC-Range

Gerrit Holl gerrit at nl.linux.org
Sun Jul 3 13:36:51 UTC 2005


Hello,

I have just installed FC4 on my Acer TravelMate 4100, a laptop with a
AC'97 audio chip. I'm having troubles getting sound to work. I have
confirmed the hardware is okay.

$ system-config-soundcard
amixer: Unable to find simple control 'PCM-2',0

amixer: Unable to find simple control 'DRC Range',0

I noticed posts on this subject on this list at June 15, June 16 and June 19.
[1] suggested to enable the external amplifier, but this did not make
any difference. system-config-soundcard gives me:

Vendor: Intel
Model: Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller
Module: snd-intel8x0

I tried to mute or unmute the external amplifier with alsamixer or kmix.
I also tried to turn off everything, or everything except a few, or some
other combination. No combination for the mixer seem to help. Below is
the full information for my system. I read somewhere that a conflict
between different modules can also be a source for this, but I have not
been able to resolve that. Any hints please?

$ amixer
Simple mixer control 'Master',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 23 [74%] [on]
  Front Right: Playback 22 [71%] [on]
Simple mixer control 'Headphone',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 23 [74%] [off]
  Front Right: Playback 23 [74%] [off]
Simple mixer control 'PCM',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 23 [74%] [on]
  Front Right: Playback 23 [74%] [on]
Simple mixer control 'Line',0
  Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-joined cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 0 [0%] [off] Capture [off]
  Front Right: Playback 0 [0%] [off] Capture [off]
Simple mixer control 'CD',0
  Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-joined cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 23 [74%] [off] Capture [off]
  Front Right: Playback 23 [74%] [off] Capture [off]
Simple mixer control 'Mic',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch cswitch-joined cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Mono
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono: Playback 0 [0%] [off]
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'Mic Boost (+20dB)',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'Video',0
  Capabilities: cswitch cswitch-joined cswitch-exclusive
  Capture exclusive group: 0
  Capture channels: Front Left - Front Right
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'Phone',0
  Capabilities: cswitch cswitch-joined cswitch-exclusive
  Capture exclusive group: 0
  Capture channels: Front Left - Front Right
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'IEC958 Playback AC97-SPSA',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Limits: 0 - 3
  Mono: 0 [0%]
Simple mixer control 'PC Speaker',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 15
  Mono: Playback 7 [47%] [off]
Simple mixer control 'Aux',0
  Capabilities: cswitch cswitch-joined cswitch-exclusive
  Capture exclusive group: 0
  Capture channels: Front Left - Front Right
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch cswitch-joined
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 15
  Front Left: Capture 0 [0%] [off]
  Front Right: Capture 0 [0%] [off]
Simple mixer control 'Mix',0
  Capabilities: cswitch cswitch-joined cswitch-exclusive
  Capture exclusive group: 0
  Capture channels: Front Left - Front Right
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'Mix Mono',0
  Capabilities: cswitch cswitch-joined cswitch-exclusive
  Capture exclusive group: 0
  Capture channels: Front Left - Front Right
  Front Left: Capture [on]
  Front Right: Capture [on]
Simple mixer control 'External Amplifier',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
$ lspci
00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML Express Processor to DRAM Controller (rev 03)
00:01.0 PCI bridge: Intel Corporation Mobile 915GM/PM Express PCI Express Root Port (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 1 (rev 04)
00:1c.1 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 2 (rev 04)
00:1c.2 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 3 (rev 04)
00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #1 (rev 04)
00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #2 (rev 04)
00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #3 (rev 04)
00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #4 (rev 04)
00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller (rev 04)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev d4)
00:1e.2 Multimedia audio controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller (rev 04)
00:1e.3 Modem: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Modem Controller (rev 04)
00:1f.0 ISA bridge: Intel Corporation 82801FBM (ICH6M) LPC Interface Bridge (rev 04)
00:1f.1 IDE interface: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) IDE Controller (rev 04)
00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) SMBus Controller (rev 04)
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility X700 (PCIE)
06:01.0 CardBus bridge: Texas Instruments Texas Instruments PCIxx21/x515 Cardbus Controller
06:01.2 FireWire (IEEE 1394): Texas Instruments Texas Instruments OHCI Compliant IEEE 1394 Host Controller
06:01.3 Unknown mass storage controller: Texas Instruments Texas Instruments PCIxx21 Integrated FlashMedia Controller
06:03.0 Network controller: Intel Corporation PRO/Wireless 2200BG (rev 05)
06:08.0 Ethernet controller: Broadcom Corporation BCM4401 100Base-T (rev 01)
$ lsmod
Module                  Size  Used by
joydev                  9601  0
parport_pc             28933  0
lp                     13001  0
parport                40585  2 parport_pc,lp
autofs4                29253  2
rfcomm                 42333  0
l2cap                  30661  5 rfcomm
bluetooth              56133  4 rfcomm,l2cap
sunrpc                167813  1
md5                     4033  1
ipv6                  267841  12
dm_mod                 58101  0
video                  15941  0
button                  6609  0
battery                 9413  0
ac                      4805  0
ohci1394               41353  0
ieee1394              304441  1 ohci1394
yenta_socket           21449  0
rsrc_nonstatic         12737  1 yenta_socket
pcmcia_core            50909  2 yenta_socket,rsrc_nonstatic
uhci_hcd               35153  0
ehci_hcd               41037  0
shpchp                 94405  0
snd_intel8x0m          19589  0
i2c_i801                8781  0
i2c_core               21569  1 i2c_i801
snd_intel8x0           34689  3
snd_ac97_codec         75961  2 snd_intel8x0m,snd_intel8x0
snd_seq_dummy           3653  0
snd_seq_oss            37057  0
snd_seq_midi_event      9153  1 snd_seq_oss
snd_seq                62288  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_seq_device          8781  3 snd_seq_dummy,snd_seq_oss,snd_seq
snd_pcm_oss            51185  0
snd_mixer_oss          17857  1 snd_pcm_oss
snd_pcm               100169  5 snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_pcm_oss
snd_timer              33605  3 snd_seq,snd_pcm
snd                    57157  14 snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
soundcore              10913  1 snd
snd_page_alloc          9669  3 snd_intel8x0m,snd_intel8x0,snd_pcm
ipw2200                75213  0
ieee80211              23109  1 ipw2200
ieee80211_crypt         7493  1 ieee80211
b44                    27077  0
mii                     5441  1 b44
ext3                  132681  7
jbd                    86233  1 ext3
$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: ICH6 [Intel ICH6], device 0: Intel ICH [Intel ICH6]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: ICH6 [Intel ICH6], device 4: Intel ICH - IEC958 [Intel ICH6 - IEC958]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
$ strace aplay /usr/share/system-config-soundcard/sound-sample.wav
# hangs at poll(

[1] https://www.redhat.com/archives/fedora-list/2005-June/msg03315.html

kind regards,
Gerrit.

-- 
Weather in Twenthe, Netherlands 03/07 13:55:
	24.0°C   wind 3.1 m/s SW (57 m above NAP)
-- 
In the councils of government, we must guard against the acquisition of
unwarranted influence, whether sought or unsought, by the
military-industrial complex. The potential for the disastrous rise of
misplaced power exists and will persist.
    -Dwight David Eisenhower, January 17, 1961




More information about the fedora-list mailing list