Alsa sound disappeared between kernel 2.6.30 and 2.6.33

My last working alsa was running on kernel 2.6.30.6. Some months ago, I upgraded and the sound disappeared. Due to other programs, I now want a fully updated kernel and get 2.6.33-2-1. The alsa sound still does'nt work. I get the sound back by downgrading to 2.6.30, but other things then fails.
I'm using an LG A1 Express. As far as I can see, everything looks ok, but I don't hear any sound.
I have used alsaconf, and got expected output. Alsamixer is used to unmute and set up audio-sources.
Grateful to any suggestions!
/bong
# ls /dev/snd
by-path/ controlC0 hwC0D0 hwC0D1 pcmC0D0c pcmC0D0p pcmC0D1p pcmC0D2c seq timer
# ls /dev/snd/by-path
pci-0000:00:1b.0@
# lspci
00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 02)
00:1c.2 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 (rev 02)
00:1c.3 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 4 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 02)
00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02)
02:00.0 Ethernet controller: Agere Systems ET-131x PCI-E Ethernet Controller (rev 03)
05:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)
06:00.0 CardBus bridge: Texas Instruments PCIxx21/x515 Cardbus Controller
06:00.1 CardBus bridge: Texas Instruments PCIxx21/x515 Cardbus Controller
06:00.3 Mass storage controller: Texas Instruments PCIxx21 Integrated FlashMedia Controller
06:00.4 SD Host controller: Texas Instruments PCI6411/6421/6611/6621/7411/7421/7611/7621 Secure Digital Controller
# lsmod |grep snd
snd_hda_codec_realtek 186046 1
snd_seq_dummy 1067 0
snd_hda_intel 19249 3
snd_seq_oss 24984 0
snd_seq_midi_event 4484 1 snd_seq_oss
snd_seq 41656 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_seq_device 4349 3 snd_seq_dummy,snd_seq_oss,snd_seq
snd_hda_codec 59723 2 snd_hda_codec_realtek,snd_hda_intel
snd_pcm_oss 33442 0
snd_mixer_oss 14356 1 snd_pcm_oss
snd_hwdep 4752 1 snd_hda_codec
snd_pcm 57767 4 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_timer 15629 3 snd_seq,snd_pcm
snd 42562 15 snd_hda_codec_realtek,snd_hda_intel,snd_seq_oss,snd_seq,snd_seq_device,snd_hda_codec,snd_pcm_oss,snd_mixer_oss,snd_hwdep,snd_pcm,snd_timer
soundcore 5017 1 snd
snd_page_alloc 5873 2 snd_hda_intel,snd_pcm
# aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
front:CARD=Intel,DEV=0
HDA Intel, ALC883 Analog
Front speakers
surround40:CARD=Intel,DEV=0
HDA Intel, ALC883 Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=Intel,DEV=0
HDA Intel, ALC883 Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Intel,DEV=0
HDA Intel, ALC883 Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Intel,DEV=0
HDA Intel, ALC883 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Intel,DEV=0
HDA Intel, ALC883 Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Intel,DEV=0
HDA Intel, ALC883 Digital
IEC958 (S/PDIF) Digital Audio Output
# cat /etc/modprobe.d/sound.conf
alias snd-card-0 snd-hda-intel
alias sound-slot-0 snd-hda-intel
# cat /etc/rc.conf|grep DAEMONS
# DAEMONS
DAEMONS=(syslog-ng netfs crond hal openntpd alsa mpd)

Hey Bong,
Try this http://bbs.archlinux.org/viewtopic.php?id=69178
All the best

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Last edited by w1ntermute (2009-06-28 18:40:03)

whoops wrote:Do you use the motherboard sound-card?
No.
whoops wrote:If not - did you try just turning it off in bios (or blacklisting the driver)?
No, I haven't tried that. I'll give it a shot. Thanks for the tip!
Last edited by w1ntermute (2009-07-02 18:11:53)

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