On 02/25/2012 04:54 PM, Rob Kampen wrote: > Hi List, > I have an ASUS G73S laptop with our favorite OS installed and all > up-to-date. > Sound has always "just worked" > When I use the Preferences>Sound app I can setup the hardware, input, > output and was overall very impressed. > One can check each speaker and the laptop has a front left and right and > also has a bass speaker which seems to be connected to the left rear. > > The various players seem to work fine e.g mplayer, JuK, VLC media player. > > Recently I wanted to play a movie off the internet and so out came Firefox. > Imagine my surprise as I hear only the background music from the rear > channel - the front left and right appear to have disappeared. > > When I plug in some headphones, it seems that the phones only pick up > right rear and left rear - front left and right are gone (laptop > speakers are muted due to headphones being plugged in) > > So one cannot listen to audio from internet via flash player........ > > I have the high definition digital audio disabled as I understand this > is for the HDMI audio system which I have not played with. > > I think alsa and pulse audio are installed. > rpm -qa |grep pulse > pulseaudio-module-gconf-0.9.21-13.el6.x86_64 > pulseaudio-utils-0.9.21-13.el6.i686 > pulseaudio-module-bluetooth-0.9.21-13.el6.x86_64 > pulseaudio-0.9.21-13.el6.x86_64 > pulseaudio-libs-glib2-0.9.21-13.el6.i686 > pulseaudio-libs-glib2-0.9.21-13.el6.x86_64 > pulseaudio-module-x11-0.9.21-13.el6.x86_64 > kde-settings-pulseaudio-4.3.1-1.el6.centos.noarch > pulseaudio-gdm-hooks-0.9.21-13.el6.x86_64 > pulseaudio-esound-compat-0.9.21-13.el6.x86_64 > alsa-plugins-pulseaudio-1.0.21-3.el6.i686 > pulseaudio-libs-0.9.21-13.el6.i686 > alsa-plugins-pulseaudio-1.0.21-3.el6.x86_64 > fluxbox-pulseaudio-1.1.1-5.el6.noarch > pulseaudio-libs-0.9.21-13.el6.x86_64 > pulseaudio-libs-zeroconf-0.9.21-13.el6.x86_64 > pulseaudio-utils-0.9.21-13.el6.x86_64 > > rpm -qa |grep alsa > alsa-plugins-oss-1.0.21-3.el6.x86_64 > alsa-utils-1.0.21-3.el6.x86_64 > alsa-plugins-samplerate-1.0.21-3.el6.i686 > alsa-plugins-vdownmix-1.0.21-3.el6.x86_64 > alsa-plugins-speex-1.0.21-3.el6.x86_64 > alsa-plugins-usbstream-1.0.21-3.el6.i686 > alsa-lib-1.0.22-3.el6.i686 > kmod-alsa-1.0.24-1.el6.elrepo.x86_64 > alsamixergui-0.9.0-0.9.rc2.el6.x86_64 > alsa-lib-1.0.22-3.el6.x86_64 > alsa-plugins-upmix-1.0.21-3.el6.x86_64 > alsa-plugins-usbstream-1.0.21-3.el6.x86_64 > alsa-plugins-upmix-1.0.21-3.el6.i686 > alsa-plugins-pulseaudio-1.0.21-3.el6.i686 > alsa-plugins-samplerate-1.0.21-3.el6.x86_64 > alsa-plugins-pulseaudio-1.0.21-3.el6.x86_64 > alsa-plugins-vdownmix-1.0.21-3.el6.i686 > alsa-plugins-speex-1.0.21-3.el6.i686 > alsa-plugins-oss-1.0.21-3.el6.i686 > > > Some stats on the machine: > > cat /proc/asound/version > Advanced Linux Sound Architecture Driver Version 1.0.24. > Compiled on Apr 29 2011 for kernel 2.6.32-71.el6.x86_64 (SMP). > > cat /proc/asound/cards > 0 [PCH ]: HDA-Intel - HDA Intel PCH > HDA Intel PCH at 0xf6a00000 irq 35 > 1 [NVidia ]: HDA-Intel - HDA NVidia > HDA NVidia at 0xf4080000 irq 17 > > cat /proc/asound/devices > 1: : sequencer > 2: [ 0- 1]: digital audio playback > 3: [ 0- 0]: digital audio playback > 4: [ 0- 0]: digital audio capture > 5: [ 0- 0]: hardware dependent > 6: [ 0] : control > 7: [ 1- 9]: digital audio playback > 8: [ 1- 8]: digital audio playback > 9: [ 1- 7]: digital audio playback > 10: [ 1- 3]: digital audio playback > 11: [ 1- 3]: hardware dependent > 12: [ 1- 2]: hardware dependent > 13: [ 1- 1]: hardware dependent > 14: [ 1- 0]: hardware dependent > 15: [ 1] : control > 33: : timer > > cat /proc/asound/pcm > 00-00: ALC269VB Analog : ALC269VB Analog : playback 1 : capture 1 > 00-01: ALC269VB Digital : ALC269VB Digital : playback 1 > 01-03: HDMI 0 : HDMI 0 : playback 1 > 01-07: HDMI 0 : HDMI 0 : playback 1 > 01-08: HDMI 0 : HDMI 0 : playback 1 > 01-09: HDMI 0 : HDMI 0 : playback 1 > > lsmod |grep snd > snd_seq_dummy 1846 0 > snd_hda_codec_hdmi 24897 4 > snd_hda_codec_realtek 324530 1 > snd_hda_intel 25565 2 > snd_hda_codec 96476 3 > snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel > snd_hwdep 6874 1 snd_hda_codec > snd_seq 57357 1 snd_seq_dummy > snd_seq_device 6882 2 snd_seq_dummy,snd_seq > snd_pcm 88945 3 > snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec > snd_timer 23087 2 snd_seq,snd_pcm > snd 73879 14 > snd_seq_dummy,snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,snd_pcm,snd_timer > soundcore 8086 1 snd > snd_page_alloc 8692 2 snd_hda_intel,snd_pcm > > sudo lspci -vvv > 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset > Family High Definition Audio Controller (rev 05) > Subsystem: ASUSTeK Computer Inc. Device 1a13 > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR- FastB2B- DisINTx+ > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast>TAbort- > <TAbort-<MAbort->SERR-<PERR- INTx- > Latency: 0, Cache Line Size: 64 bytes > Interrupt: pin A routed to IRQ 35 > Region 0: Memory at f6a00000 (64-bit, non-prefetchable) [size=16K] > Capabilities: [50] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA > PME(D0+,D1-,D2-,D3hot+,D3cold+) > Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+ > Address: 00000000fee04000 Data: 4064 > Capabilities: [70] Express (v1) Root Complex Integrated Endpoint, > MSI 00 > DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s > <64ns, L1<1us > ExtTag- RBE- FLReset+ > DevCtl: Report errors: Correctable- Non-Fatal- Fatal- > Unsupported- > RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- > MaxPayload 128 bytes, MaxReadReq 128 bytes > DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ > TransPend- > LnkCap: Port #0, Speed unknown, Width x0, ASPM unknown, > Latency L0<64ns, L1<1us > ClockPM- Surprise- LLActRep- BwNot- > LnkCtl: ASPM Disabled; Disabled- Retrain- CommClk- > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- > LnkSta: Speed unknown, Width x0, TrErr- Train- SlotClk- > DLActive- BWMgmt- ABWMgmt- > Capabilities: [100] Virtual Channel<?> > Capabilities: [130] Root Complex Link<?> > Kernel driver in use: HDA Intel > Kernel modules: snd-hda-intel > > 01:00.1 Audio device: nVidia Corporation GF106 High Definition Audio > Controller (rev a1) > Subsystem: ASUSTeK Computer Inc. Device 2048 > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR- FastB2B- DisINTx- > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast>TAbort- > <TAbort-<MAbort->SERR-<PERR- INTx- > Latency: 0, Cache Line Size: 64 bytes > Interrupt: pin B routed to IRQ 17 > Region 0: Memory at f4080000 (32-bit, non-prefetchable) [size=16K] > Capabilities: [60] Power Management version 3 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA > PME(D0-,D1-,D2-,D3hot-,D3cold-) > Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME- > Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+ > Address: 0000000000000000 Data: 0000 > Capabilities: [78] Express (v2) Endpoint, MSI 00 > DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s<4us, > L1<64us > ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset- > DevCtl: Report errors: Correctable- Non-Fatal- Fatal- > Unsupported- > RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ > MaxPayload 128 bytes, MaxReadReq 512 bytes > DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq- AuxPwr- > TransPend- > LnkCap: Port #0, Speed 2.5GT/s, Width x16, ASPM L0s L1, > Latency L0<256ns, L1<4us > ClockPM+ Surprise- LLActRep- BwNot- > LnkCtl: ASPM Disabled; RCB 128 bytes Disabled- Retrain- CommClk- > ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt- > LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ > DLActive- BWMgmt- ABWMgmt- > DevCap2: Completion Timeout: Not Supported, TimeoutDis+ > DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- > LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- > SpeedDis-, Selectable De-emphasis: -6dB > Transmit Margin: Normal Operating Range, > EnterModifiedCompliance- ComplianceSOS- > Compliance De-emphasis: -6dB > LnkSta2: Current De-emphasis Level: -6dB > Kernel driver in use: HDA Intel > Kernel modules: snd-hda-intel > > Not sure what other info can be of help. > Anyone else have this front / back swap issue? > Anyone have any ideas why no front channel audio output on flash/firefox?? > What if anything allows these various audio channels to connect / cross > connect? > > TIA for any suggested reading - my google foo has failed to locate > anything recent that might relate to CentOS 6. > Finally found it - the gnome-volume-control app actually spawns the Preferences>Sound dialog and under the Applications tab the various running sound apps are shown. The firefox/flash plugin shows as ALSA plug-in [npviewer.bin] and was muted - simply unmute and all is well. > > > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos