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Old 01-17-2010, 12:32 AM   #1
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Post sound problem in mepis with sony vaio

Hi, I'm new to Linux and recently installed mepis 8.0. on my sony vaio, VGN-N130G...

before installing as my sole OS, I did check that sound and video are working fine. But after installation, after reboot, sound is not coming. No sound for MP3, VCD or youtube... all were working fine earlier... Not sure wht went wrong and when?

Is it a problem of sound drivers...

this is output 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, 943/940GM
L Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML E
xpress Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Aud
io Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (r
ev 02)
00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (r
ev 02)
00:1c.2 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 (r
ev 02)
00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controll
er #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controll er #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controll er #3 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Control ler (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 (re v 02)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (re v 02)
00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA IDE Con troller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02)
02:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8036 PCI-E Fast Et hernet Controller (rev 13)
06:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Netwo rk Connection (rev 02)
08:03.0 CardBus bridge: Texas Instruments PCIxx12 Cardbus Controller
08:03.1 FireWire (IEEE 1394): Texas Instruments PCIxx12 OHCI Compliant IEEE 1394 Host Controller
08:03.2 Mass storage controller: Texas Instruments 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD)
Old 01-18-2010, 08:55 AM   #2
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For your card, this is the audio driver you should have installed.

To find out it it is loaded, open a konsole and run the command '/sbin/lsmod | grep snd' ( without the quotes ).

If it is loaded, you will get a listing like this:

/sbin/lsmod | grep snd
snd_hda_codec_realtek 295412 1
snd_hda_intel 31240 2
snd_hda_codec 90608 2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 9816 1 snd_hda_codec
snd_seq_dummy 3540 0
snd_seq_oss 36864 0
snd_seq_midi_event 8880 1 snd_seq_oss
snd_seq 65696 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_seq_device 8740 3 snd_seq_dummy,snd_seq_oss,snd_seq
snd_pcm_oss 51584 0
snd_pcm 100248 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_timer 26720 2 snd_seq,snd_pcm
snd_mixer_oss 19568 2 snd_pcm_oss
snd 79720 13 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq_oss,snd_seq,snd_seq_device,snd_p cm_oss,snd_pcm,snd_timer,snd_mixer_oss
soundcore 9920 2 snd
snd_page_alloc 11072 2 snd_hda_intel,snd_pcm
If you get nothing, then it is not loaded. If it is loaded, then in a konsole try the command

'aplay somewavefile.wav' ( that is any wav file ). If you get sound, then you are missing codecs to decode mp3's, etc.

Post back your results.


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