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Sound stopped working (AC97 Intel)


enodr
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Hi,

 

This is a very strange problem... Sound stopped working (I think after installing Quicktime Mpeg2 support, but not sure if it's linked). I have a D865PERL Intel motherboard with onboard sound. It's an AC 97 Intel chipset.

 

Sound was working perfectly, then tonight nothing (volume control is still available. Sound panel says I have an AC97 even if System Profiler says I have "No Built-in Audio."). After a long hour I tried to plug the speakers on the other output (the black one - don't know what they are for). And... it works... I think no stereo but it works.

 

I think some kext is messing. Here is the output of kextstat:

 

Index Refs Address	Size	   Wired	  Name (Version) <Linked Against>
 1	1 0x0		0x0		0x0		com.apple.kernel (8.8.1)
 2   17 0x0		0x0		0x0		com.apple.kpi.bsd (8.8.1)
 3   27 0x0		0x0		0x0		com.apple.kpi.iokit (8.8.1)
 4   29 0x0		0x0		0x0		com.apple.kpi.libkern (8.8.1)
 5   27 0x0		0x0		0x0		com.apple.kpi.mach (8.8.1)
 6   16 0x0		0x0		0x0		com.apple.kpi.unsupported (8.8.1)
 7	1 0x0		0x0		0x0		com.apple.iokit.IONVRAMFamily (8.8.1)
 8	1 0x0		0x0		0x0		com.apple.driver.AppleNMI (8.8.1)
 9	1 0x0		0x0		0x0		com.apple.iokit.IOSystemManagementFamily (8.8.1)
10	1 0x0		0x0		0x0		com.apple.iokit.ApplePlatformFamily (8.8.1)
11   41 0x0		0x0		0x0		com.apple.kernel.6.0 (7.9.9)
12	1 0x0		0x0		0x0		com.apple.kernel.bsd (7.9.9)
13	1 0x0		0x0		0x0		com.apple.kernel.iokit (7.9.9)
14	1 0x0		0x0		0x0		com.apple.kernel.libkern (7.9.9)
15	1 0x0		0x0		0x0		com.apple.kernel.mach (7.9.9)
16   15 0x23e42000 0x10000	0xf000	 com.apple.iokit.IOPCIFamily (2.1) <11>
17	7 0x23e55000 0x4000	 0x3000	 com.apple.iokit.IOACPIFamily (1.2.0) <11>
18	2 0x23e90000 0x37000	0x36000	com.apple.driver.AppleACPIPlatform (1.0.3) <17 16 11>
19	0 0x23f18000 0x5000	 0x4000	 com.apple.BootCache (27) <6 5 4 3 2>
20	3 0x23fdb000 0x32000	0x31000	com.apple.iokit.IOHIDFamily (1.4.9) <6 5 4 3 2>
21	0 0x2406d000 0x3000	 0x2000	 com.apple.driver.AppleIntelCPUPowerManagement (1.0.1) <11 6 4 3 2>
22	0 0x29a0e000 0x4000	 0x3000	 com.apple.driver.AppleAPIC (1.1.0) <11>
23	0 0x29a4a000 0x3000	 0x2000	 com.apple.driver.AppleSMBIOS (1.0.1) <11>
25	0 0x29b37000 0x5000	 0x4000	 com.apple.driver.AppleRTC (1.0.3) <17 5 4 3 2>
26	0 0x29d05000 0x4000	 0x3000	 com.apple.driver.AppleACPIButtons (1.0.3) <20 18 17 6 5 4 3 2>
28	0 0x29dcc000 0x3000	 0x2000	 com.apple.driver.AppleACPIPCI (1.0.3) <18 17 16 11>
29	1 0x29e55000 0x5000	 0x4000	 com.apple.driver.ApplePS2Controller (1.1.0) <11>
30	8 0x29f10000 0x16000	0x15000	com.apple.iokit.IOStorageFamily (1.5.1) <6 5 4 3 2>
32   10 0x2a000000 0x1a000	0x19000	com.apple.iokit.IOUSBFamily (2.6.1) <6 5 4 3>
33	0 0x2a057000 0xe000	 0xd000	 com.apple.driver.AppleUSBUHCI (2.6.0) <32 16 5 4 3>
34	3 0x2a127000 0xd000	 0xc000	 com.apple.iokit.IOATAFamily (1.7.1f4) <5 4 3 2>
35	0 0x2a148000 0x8000	 0x7000	 com.apple.driver.AppleIntelPIIXATA (1.14) <34 16 11>
36	0 0x2a360000 0x3000	 0x2000	 com.apple.driver.ApplePS2Keyboard (1.1.0) <29 20 11>
38	0 0x2a573000 0x12000	0x11000	com.apple.driver.AppleUSBEHCI (2.6.1) <32 16 5 4 3>
39	5 0x2a706000 0x32000	0x31000	com.apple.iokit.IOFireWireFamily (2.5.1) <5 4 3>
40	0 0x2a770000 0x18000	0x17000	com.apple.driver.AppleFWOHCI (2.8.3) <39 16 6 5 4 3>
41	0 0x2a867000 0x9000	 0x8000	 com.apple.driver.AppleUSBHub (2.6.0) <32 11>
42	5 0x2a92a000 0x15000	0x14000	com.apple.iokit.IOSCSIArchitectureModelFamily (1.5.1) <11>
43	0 0x2a971000 0x4000	 0x3000	 com.apple.iokit.IOATAPIProtocolTransport (1.5.0) <42 34 11>
44	0 0x2aa46000 0xa000	 0x9000	 com.apple.iokit.IOATABlockStorage (1.4.4) <34 30 11>
45	0 0x2ab5f000 0x6000	 0x5000	 com.apple.iokit.SCSITaskUserClient (1.5.1) <42 30 11>
46	2 0x2acb1000 0x8000	 0x7000	 com.apple.iokit.IOCDStorageFamily (1.4) <30 5 4 3>
47	1 0x2ace2000 0x13000	0x12000	com.apple.iokit.IOSCSIBlockCommandsDevice (1.5.1) <42 30 11>
48	1 0x2ad07000 0x5000	 0x4000	 com.apple.iokit.IODVDStorageFamily (1.4) <46 30 5 4 3>
49	0 0x2ad38000 0x12000	0x11000	com.apple.iokit.IOSCSIMultimediaCommandsDevice (1.5.1) <48 47 46 42 30 11>
50	0 0x2adfb000 0x3000	 0x2000	 com.apple.driver.AppleUSBComposite (2.6.1) <32 11>
51	0 0x2af1b000 0x9000	 0x8000	 com.apple.iokit.IOUSBMassStorageClass (1.4.5) <42 32 30 11>
52	1 0x2b0a2000 0x34000	0x33000	com.apple.iokit.IOBluetoothFamily (1.7.9f12) <11>
53	0 0x2b0ee000 0x5000	 0x4000	 com.apple.driver.AppleUSBBluetoothHCIController (1.7.9f12) <52 32 11>
55	0 0x29a28000 0x9000	 0x8000	 com.apple.iokit.IOUSBUserClient (2.6.0) <32 11>
56	1 0x29a31000 0x2000	 0x1000	 com.apple.kext.OSvKernDSPLib (1.0) <5 4>
57	3 0x29dcf000 0x17000	0x16000	com.apple.iokit.IOAudioFamily (1.6.0b3) <56 32 11>
58	2 0x29de6000 0xd000	 0xc000	 com.apple.driver.AppleAC97Audio (1.0.0) <57 11>
59	0 0x29d0d000 0x4000	 0x3000	 com.apple.driver.AppleAC97AudioIntelICH (1.0.0) <58 16 11>
60	2 0x29e13000 0xf000	 0xe000	 com.apple.iokit.IOFireWireAVC (1.9.7) <39 11>
61	0 0x29d77000 0x2000	 0x1000	 com.apple.driver.AppleUSBMergeNub (2.6.0) <32 11>
62	1 0x29e22000 0xe000	 0xd000	 com.apple.driver.IOPlatformPluginFamily (2.6.0d1) <11>
63	0 0x29e30000 0x8000	 0x7000	 com.apple.driver.ACPI_SMC_PlatformPlugin (2.6.0d1) <62 17 16 11 5 4 3>
64	3 0x29e5a000 0x1b000	0x1a000	com.apple.iokit.IOGraphicsFamily (1.4.4) <16 6 5 4 3>
65	2 0x29e38000 0x9000	 0x8000	 com.apple.iokit.IOSerialFamily (9.0.0d30) <6 5 4 3 2>
66	1 0x29e41000 0x8000	 0x7000	 com.apple.driver.Apple16X50Serial (1.8) <65 16 11>
67	0 0x29d79000 0x2000	 0x1000	 com.apple.driver.Apple16X50ACPI (1.8) <66 17 11>
68	0 0x29d7b000 0x5000	 0x4000	 com.apple.iokit.IOUSBHIDDriver (2.6.0) <32 20 11>
69	2 0x29e75000 0x16000	0x15000	com.apple.iokit.IONetworkingFamily (1.5.1) <6 5 4 3 2>
70	0 0x29f31000 0x1a000	0x19000	com.apple.driver.AppleIntel8254XEthernet (1.1.4a5) <69 16 5 4 3 2>
71	2 0x29f6b000 0xf000	 0xe000	 com.apple.iokit.IONDRVSupport (1.4.4) <64 16 6 5 4 3>
72	2 0x33666000 0x1da000   0x1d9000   com.apple.NVDAResman (4.4.0) <71 64 16 11 5 4 3 2>
73	0 0x2a586000 0xa4000	0xa3000	com.apple.nvidia.nv30hal (4.4.0) <72 16 11>
74	1 0x2a065000 0x2e000	0x2d000	com.apple.driver.AppleFWAudio (1.2.1b2) <60 57 39 11>
75	0 0x29e4b000 0x3000	 0x2000	 com.apple.driver.AppleMLANAudio (1.2.1b2) <74 60 39 11>
76	0 0x29e8b000 0x4000	 0x3000	 com.apple.driver.AudioIPCDriver (1.0.2) <57 5 4 3 2>
77	0 0x29e4e000 0x2000	 0x1000	 com.apple.driver.AppleAC97CodecAD198x (1.0.0) <58 11>
78	0 0x2a363000 0x49000	0x48000	com.apple.GeForce (4.4.0) <72 71 64 16 11 5 4 3 2>
79	0 0x29f7a000 0x8000	 0x7000	 com.apple.iokit.IOFireWireIP (1.5.3) <69 39 6 5 4 3 2>
80	1 0x2a150000 0xa000	 0x9000	 com.apple.driver.AppleSMC (1.0.2d3) <17 6 5 4 3>
81	0 0x2a093000 0x3000	 0x2000	 com.apple.Dont_Steal_Mac_OS_X (6.0.1) <80 6 4 3 2>
83	0 0x2af28000 0x5000	 0x4000	 com.apple.driver.XsanFilter (2.7.0) <30 11>
84	0 0x3c852000 0x9000	 0x8000	 com.apple.iokit.IOBluetoothSerialManager (1.7.9f12) <65 11>
86	0 0x3cab4000 0xb000	 0xa000	 com.apple.filesystems.msdosfs (1.4.8) <6 5 4 2>

 

 

I'll try to update this post if I find the problem...

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