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Old 02-09-2010, 05:38 PM   #1
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Location: Liverpool - England
Distribution: slackware64 13.37 and -current, Dragonfly BSD
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Salckware64 13 - Intel sound odd problem

I have been using Slackware64 newly installed to an external USB drive to get used to KDE4 and whatnot as I currently run Slackware 12.0.
It's been very good and I now feel a little alienated when I reboot to Slackware 12 and KDE 3. There is an ongoing problem though.

My machine has a front mounted jack socket for headphones which cuts off the feed to my external speakers as it should. When ever I plug in my headphones the volume coming through them rapidly drops off to nothing, If I then unplug them no sound comes back out through the external speakers. It could be that they are being reinstated when I unplug the headphones but the sound level has dropped to zero - as it has in the headphones. The machine has an on board Intel sound device reported like this :
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
        Subsystem: Dell Device 01dd                                                      
        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 16                                                           
        Region 0: Memory at dffdc000 (64-bit, non-prefetchable) [size=16K]                          
        Capabilities: <access denied>                                                               
        Kernel driver in use: HDA Intel                                                             
        Kernel modules: snd-hda-intel
This is a real pain and the only solution seems to be to reboot. This not only happens when in KDE but also if I run "speaker-test" as a test from the CLI as well. Any ideas much appreciated - this effectively means i can't use the headphones which is annoying (to me and perhaps to my neighbors too).

Edit: Damn - sorry about the spelling in the thread title - you can't change it once it's saved.

Last edited by bgeddy; 02-09-2010 at 06:32 PM. Reason: Stupd spelling
Old 02-09-2010, 05:56 PM   #2
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I had exactly the same problem that I fixed by following this:

[edit] Just noticed that you have a Dell, same as me. I use the 3stack model. [/edit]

Last edited by allend; 02-09-2010 at 06:06 PM.
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Old 02-09-2010, 07:06 PM   #3
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Registered: Sep 2006
Location: Liverpool - England
Distribution: slackware64 13.37 and -current, Dragonfly BSD
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Hey thanks for the quick reply. Your fix has solved my problem - great !
I notice I now have a headphone channel on the Kmix application as well. Thanks very much for the suggestion - (my neighbors will thank you too ).


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