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Old 09-13-2009, 05:33 PM   #1
Registered: Sep 2009
Posts: 36

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CentOS 5.2 Configure Audio


I followed the notes here

I was able to make my sound worked. Problem is I did an updates on my CentOS, and suddenly when I boot my pc, I get two options for CentOS, with different kernel versions, one 2.6.92 and 2.6.125(something). My wallpaper changed, did I broke something? ( I think I did ).

Is that two kernel bad? How to fix it?

Also can't able to run skype, I still can't fix this

[morton@mortonlx ~]$ skype
skype: /usr/lib/ version `GLIBCXX_3.4.9' not found (required by skype)

This just gets more exciting =)


I installed CentOS 5.2 on a toshiba a135-s4427. It looks like it detected the soundcard as I have my volume control enabled at the taskbar ( if thats enough ). But whatever I play no sound coming out. Where should I go from here? What things should I look at to know if it was properly configured? Here's the output of the lspci ( as I previously learned =) )

[root@mortonlx etc]# /sbin/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.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 02)
00:1c.2 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 (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.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA IDE Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02)
04:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG Network Connection (rev 02)
05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E PCI Express Fast Ethernet controller (rev 01)
06:04.0 CardBus bridge: Texas Instruments PCIxx12 Cardbus Controller
06:04.1 FireWire (IEEE 1394): Texas Instruments PCIxx12 OHCI Compliant IEEE 1394 Host Controller
06:04.2 Mass storage controller: Texas Instruments 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD)
06:04.3 SD Host controller: Texas Instruments PCIxx12 SDA Standard Compliant SD Host Controller
Thank you very much =)


Last edited by mortonmorton; 09-13-2009 at 08:50 PM.
Old 09-30-2009, 06:00 PM   #2
LQ Newbie
Registered: Dec 2006
Posts: 5

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I had lots of aggravations with intel sound also..

in the end what fixed it for me was to completely remove the "alsa" drivers / utilities /libraries and compile the drivers for my system

as a relative newbie it was a bit of a challenge but the step by step guide below was VERY helpful


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