Public bug reported:

Hey, guys. I hope I'm not asking a stupid question here, because I tried
my best to search the forums here and also at the official Ubuntu Forums
for a resolution and couldn't fix this. I've been using Linux for twelve
years now as my primary operating system, running Jackalope both at home
and at work presently, and this is the first time I've encountered this
kind of issue.

Basically what happens is that ALSA works fine for a while, and then
when specific programs run, my sound drivers get glommed and die. If I
run Audacity, my sound dies. If I run Movie Player, my sound dies.
Running VLC usually works and doesn't kill the sound, but occasionally
it will.

Whenever this happens, I have to restart Firefox, which is a real pain
because it means that I have to reload some 300+ odd tabs, often many of
which are YouTube videos that try to create the world's most cacophonous
symphony of din when they all load at the same time. If I've closed the
offending program and restart Firefox, the sound returns.

I've tried a few different resolutions from searching, like adding the
"options snd-hda-intel model=3stack-6ch-dig" or whatever it was to the
configuration files and then restarting ALSA, but alas, it was all to no
avail. I'm running an HP m9520f PC at home, where the problem occurs. I
don't have this problem at work, nor have I ever had it on any other PC
I use.

I'm using a direct digital wire from my sound card to the 6.1 channel
Dolby surround sound audio system in my apartment. It also seems
worthwhile to note that after running "sudo killall pulseaudio && sudo
alsa force-reload" and subsequently restarting Mozilla Firefox or
whichever application I'm trying to get audio working for again (or
restarting both, as all sound will have failed for any application
that's already running at that point), I have to open up the volume
control panel, un-mute "Front", "Surround" and "Center" (and also bring
up their levels from zero, which they will have magically returned to),
enter the "Switches" dialog, and re-enable "IEC958" via the checkbox
before sound returns (which usually happens five seconds or so after
doing this).

This problem is driving me Hannelore "Hanners" Bananers. In pajamers.
Please help! I have included for your reading pleasure the output of as
many diagnostic commands as I could come up with from parsing through
forum posts with users that had similar (but entirely different) issues.
These commands were run in between when the sound failed most recently
and the point at which I will inevitably reload ALSA to get my audio
back.


Output of "aplay -l":
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC1200 Analog [ALC1200 Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: ALC1200 Digital [ALC1200 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0


Output of "cat /proc/asound/devices":
  0: [ 0]   : control
  1:        : sequencer
  4: [ 0- 0]: hardware dependent
 16: [ 0- 0]: digital audio playback
 17: [ 0- 1]: digital audio playback
 24: [ 0- 0]: digital audio capture
 25: [ 0- 1]: digital audio capture
 26: [ 0- 2]: digital audio capture
 33:        : timer


Output of "cat /proc/asound/cards":
 0 [Intel          ]: HDA-Intel - HDA Intel
                      HDA Intel at 0xf9af4000 irq 22


Output of "lspci -vnvn":
00:00.0 Host bridge [0600]: Intel Corporation 82G33/G31/P35/P31 Express DRAM 
Controller [8086:29c0] (rev 02)
        Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        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
        Capabilities: [e0] Vendor Specific Information <?>
        Kernel modules: intel-agp

00:01.0 PCI bridge [0604]: Intel Corporation 82G33/G31/P35/P31 Express PCI 
Express Root Port [8086:29c1] (rev 02)
        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: 32 bytes
        Bus: primary=00, secondary=05, subordinate=05, sec-latency=0
        I/O behind bridge: 0000d000-0000dfff
        Memory behind bridge: fa000000-feafffff
        Prefetchable memory behind bridge: 00000000d0000000-00000000dfffffff
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- <SERR- <PERR-
        BridgeCtl: Parity- SERR+ NoISA- VGA+ MAbort- >Reset- FastB2B-
                PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
        Capabilities: [88] Subsystem: Intel Corporation Device [8086:0000]
        Capabilities: [80] Power Management version 3
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 
Enable+
                Address: fee0f00c  Data: 4161
        Capabilities: [a0] Express (v1) Root Port (Slot+), 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 #2, Speed 2.5GT/s, Width x16, ASPM L0s, Latency L0 
<256ns, L1 <4us
                        ClockPM- Suprise- LLActRep- BwNot-
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x16, TrErr- Train- SlotClk+ 
DLActive- BWMgmt- ABWMgmt-
                SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug- 
Surpise-
                        Slot #  0, PowerLimit 75.000000; Interlock- NoCompl-
                SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- 
LinkChg-
                        Control: AttnInd Off, PwrInd On, Power- Interlock-
                SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ 
Interlock-
                        Changed: MRL- PresDet+ LinkState-
                RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- 
CRSVisible-
                RootCap: CRSVisible-
                RootSta: PME ReqID 0000, PMEStatus- PMEPending-
        Capabilities: [100] Virtual Channel <?>
        Capabilities: [140] Root Complex Link <?>
        Kernel driver in use: pcieport-driver
        Kernel modules: shpchp

00:1a.0 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #4 [8086:2937] (rev 02)
        Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 16
        Region 4: I/O ports at b400 [size=32]
        Capabilities: [50] PCIe advanced features <?>
        Kernel driver in use: uhci_hcd

00:1a.1 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #5 [8086:2938] (rev 02)
        Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin B routed to IRQ 21
        Region 4: I/O ports at b480 [size=32]
        Capabilities: [50] PCIe advanced features <?>
        Kernel driver in use: uhci_hcd

00:1a.7 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI 
Controller #2 [8086:293c] (rev 02) (prog-if 20)
        Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin C routed to IRQ 18
        Region 0: Memory at f9afec00 (32-bit, non-prefetchable) [size=1K]
        Capabilities: [50] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME+
        Capabilities: [58] Debug port: BAR=1 offset=00a0
        Capabilities: [98] PCIe advanced features <?>
        Kernel driver in use: ehci_hcd

00:1b.0 Audio device [0403]: Intel Corporation 82801I (ICH9 Family) HD Audio 
Controller [8086:293e] (rev 02)
        Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        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: 32 bytes
        Interrupt: pin A routed to IRQ 22
        Region 0: Memory at f9af4000 (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 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 
Enable-
                Address: 0000000000000000  Data: 0000
        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- Suprise- 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

00:1c.0 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express 
Port 1 [8086:2940] (rev 02)
        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: 32 bytes
        Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
        Memory behind bridge: f9f00000-f9ffffff
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort+ <SERR- <PERR-
        BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
                PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
        Capabilities: [40] Express (v1) Root Port (Slot+), 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 #1, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency 
L0 <256ns, L1 <4us
                        ClockPM- Suprise- LLActRep+ BwNot-
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ 
DLActive+ BWMgmt- ABWMgmt-
                SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ 
Surpise+
                        Slot #  0, PowerLimit 10.000000; Interlock- NoCompl-
                SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- 
LinkChg-
                        Control: AttnInd Unknown, PwrInd Unknown, Power- 
Interlock-
                SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ 
Interlock-
                        Changed: MRL- PresDet+ LinkState+
                RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- 
CRSVisible-
                RootCap: CRSVisible-
                RootSta: PME ReqID 0000, PMEStatus- PMEPending-
        Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 
Enable+
                Address: fee0f00c  Data: 4169
        Capabilities: [90] Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        Capabilities: [a0] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [100] Virtual Channel <?>
        Capabilities: [180] Root Complex Link <?>
        Kernel driver in use: pcieport-driver
        Kernel modules: shpchp

00:1c.1 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express 
Port 2 [8086:2942] (rev 02)
        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: 32 bytes
        Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
        Memory behind bridge: f9c00000-f9dfffff
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort+ <SERR- <PERR-
        BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
                PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
        Capabilities: [40] Express (v1) Root Port (Slot+), 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 #2, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency 
L0 <1us, L1 <4us
                        ClockPM- Suprise- LLActRep+ BwNot-
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk-
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ 
DLActive+ BWMgmt- ABWMgmt-
                SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ 
Surpise+
                        Slot #  0, PowerLimit 10.000000; Interlock- NoCompl-
                SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- 
LinkChg-
                        Control: AttnInd Unknown, PwrInd Unknown, Power- 
Interlock-
                SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ 
Interlock-
                        Changed: MRL- PresDet+ LinkState+
                RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- 
CRSVisible-
                RootCap: CRSVisible-
                RootSta: PME ReqID 0000, PMEStatus- PMEPending-
        Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 
Enable+
                Address: fee0f00c  Data: 4171
        Capabilities: [90] Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        Capabilities: [a0] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [100] Virtual Channel <?>
        Capabilities: [180] Root Complex Link <?>
        Kernel driver in use: pcieport-driver
        Kernel modules: shpchp

00:1c.2 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express 
Port 3 [8086:2944] (rev 02)
        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: 32 bytes
        Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
        I/O behind bridge: 0000e000-0000efff
        Memory behind bridge: feb00000-febfffff
        Prefetchable memory behind bridge: 00000000f8f00000-00000000f8ffffff
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- <SERR- <PERR-
        BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
                PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
        Capabilities: [40] Express (v1) Root Port (Slot+), 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 #3, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency 
L0 <256ns, L1 <4us
                        ClockPM- Suprise- LLActRep+ BwNot-
                LnkCtl: ASPM L0s Enabled; RCB 64 bytes Disabled- Retrain- 
CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ 
DLActive+ BWMgmt- ABWMgmt-
                SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ 
Surpise+
                        Slot #  0, PowerLimit 10.000000; Interlock- NoCompl-
                SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- 
LinkChg-
                        Control: AttnInd Unknown, PwrInd Unknown, Power- 
Interlock-
                SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ 
Interlock-
                        Changed: MRL- PresDet+ LinkState+
                RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- 
CRSVisible-
                RootCap: CRSVisible-
                RootSta: PME ReqID 0000, PMEStatus- PMEPending-
        Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 
Enable+
                Address: fee0f00c  Data: 4179
        Capabilities: [90] Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        Capabilities: [a0] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [100] Virtual Channel <?>
        Capabilities: [180] Root Complex Link <?>
        Kernel driver in use: pcieport-driver
        Kernel modules: shpchp

00:1d.0 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #1 [8086:2934] (rev 02)
        Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 23
        Region 4: I/O ports at b800 [size=32]
        Capabilities: [50] PCIe advanced features <?>
        Kernel driver in use: uhci_hcd

00:1d.1 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #2 [8086:2935] (rev 02)
        Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin B routed to IRQ 19
        Region 4: I/O ports at b880 [size=32]
        Capabilities: [50] PCIe advanced features <?>
        Kernel driver in use: uhci_hcd

00:1d.2 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #3 [8086:2936] (rev 02)
        Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin C routed to IRQ 18
        Region 4: I/O ports at bc00 [size=32]
        Capabilities: [50] PCIe advanced features <?>
        Kernel driver in use: uhci_hcd

00:1d.3 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #6 [8086:2939] (rev 02)
        Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin D routed to IRQ 16
        Region 4: I/O ports at c000 [size=32]
        Capabilities: [50] PCIe advanced features <?>
        Kernel driver in use: uhci_hcd

00:1d.7 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI 
Controller #1 [8086:293a] (rev 02) (prog-if 20)
        Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 23
        Region 0: Memory at f9aff800 (32-bit, non-prefetchable) [size=1K]
        Capabilities: [50] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [58] Debug port: BAR=1 offset=00a0
        Capabilities: [98] PCIe advanced features <?>
        Kernel driver in use: ehci_hcd

00:1e.0 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev 
92) (prog-if 01)
        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
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
        Memory behind bridge: f9b00000-f9bfffff
        Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort+ <SERR- <PERR-
        BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
                PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
        Capabilities: [50] Subsystem: Hewlett-Packard Company Device [103c:2a6f]

00:1f.0 ISA bridge [0601]: Intel Corporation 82801IR (ICH9R) LPC Interface 
Controller [8086:2916] (rev 02)
        Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Capabilities: [e0] Vendor Specific Information <?>
        Kernel modules: iTCO_wdt

00:1f.2 RAID bus controller [0104]: Intel Corporation 82801 SATA RAID 
Controller [8086:2822] (rev 02)
        Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin B routed to IRQ 2299
        Region 0: I/O ports at c880 [size=8]
        Region 1: I/O ports at c800 [size=4]
        Region 2: I/O ports at c480 [size=8]
        Region 3: I/O ports at c400 [size=4]
        Region 4: I/O ports at c080 [size=32]
        Region 5: Memory at f9aff000 (32-bit, non-prefetchable) [size=2K]
        Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/4 
Enable+
                Address: fee0f00c  Data: 4189
        Capabilities: [70] Power Management version 3
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot+,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [a8] SATA HBA <?>
        Capabilities: [b0] PCIe advanced features <?>
        Kernel driver in use: ahci

00:1f.3 SMBus [0c05]: Intel Corporation 82801I (ICH9 Family) SMBus Controller 
[8086:2930] (rev 02)
        Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Interrupt: pin C routed to IRQ 10
        Region 0: Memory at f9affc00 (64-bit, non-prefetchable) [size=256]
        Region 4: I/O ports at 0400 [size=32]
        Kernel modules: i2c-i801

01:05.0 FireWire (IEEE 1394) [0c00]: Agere Systems FW323 [11c1:5811] (rev 70) 
(prog-if 10)
        Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 64 (3000ns min, 6000ns max), Cache Line Size: 32 bytes
        Interrupt: pin A routed to IRQ 20
        Region 0: Memory at f9bff000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: [44] Power Management version 2
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA 
PME(D0+,D1+,D2+,D3hot+,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME+
        Kernel driver in use: ohci1394
        Kernel modules: firewire-ohci, ohci1394

02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. 
RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 02)
        Subsystem: Hewlett-Packard Company Device [103c:2a6f]
        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: 32 bytes
        Interrupt: pin A routed to IRQ 2298
        Region 0: I/O ports at e800 [size=256]
        Region 2: Memory at febff000 (64-bit, non-prefetchable) [size=4K]
        Region 4: Memory at f8ff0000 (64-bit, prefetchable) [size=64K]
        Expansion ROM at febc0000 [disabled] [size=128K]
        Capabilities: [40] Power Management version 3
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA 
PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 
Enable+
                Address: 00000000fee0f00c  Data: 41a1
        Capabilities: [70] Express (v1) Endpoint, MSI 01
                DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <512ns, 
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 4096 bytes
                DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr+ 
TransPend-
                LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency 
L0 <512ns, L1 <64us
                        ClockPM+ Suprise- LLActRep- BwNot-
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ 
DLActive- BWMgmt- ABWMgmt-
        Capabilities: [b0] MSI-X: Enable- Mask- TabSize=2
                Vector table: BAR=4 offset=00000000
                PBA: BAR=4 offset=00000800
        Capabilities: [d0] Vital Product Data <?>
        Capabilities: [100] Advanced Error Reporting <?>
        Capabilities: [140] Virtual Channel <?>
        Capabilities: [160] Device Serial Number 00-e0-4c-68-00-00-00-01
        Kernel driver in use: r8169
        Kernel modules: r8169

03:00.0 Multimedia video controller [0400]: Conexant Systems, Inc. Device 
[14f1:8880] (rev 04)
        Subsystem: Hauppauge computer works Inc. Device [0070:8551]
        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: 32 bytes
        Interrupt: pin A routed to IRQ 17
        Region 0: Memory at f9c00000 (64-bit, non-prefetchable) [size=2M]
        Capabilities: [40] Express (v1) Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, 
L1 <1us
                        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 x1, ASPM L0s L1, Latency 
L0 <2us, L1 <4us
                        ClockPM- Suprise- LLActRep- BwNot-
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk-
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk- 
DLActive- BWMgmt- ABWMgmt-
        Capabilities: [80] Power Management version 3
                Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=375mA 
PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [90] Vital Product Data <?>
        Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 
Enable-
                Address: 0000000000000000  Data: 0000
        Capabilities: [100] Advanced Error Reporting <?>
        Capabilities: [200] Virtual Channel <?>
        Kernel driver in use: cx23885
        Kernel modules: cx23885

04:00.0 Network controller [0280]: Atheros Communications Inc. AR928X Wireless 
Network Adapter (PCI-Express) [168c:002a] (rev 01)
        Subsystem: Atheros Communications Inc. Device [168c:1000]
        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: 32 bytes
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at f9ff0000 (64-bit, non-prefetchable) [size=64K]
        Capabilities: [40] Power Management version 2
                Flags: PMEClk- DSI- D1+ D2- AuxCurrent=375mA 
PME(D0+,D1+,D2-,D3hot+,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [50] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 
Enable-
                Address: 00000000  Data: 0000
        Capabilities: [60] Express (v1) Legacy Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <512ns, 
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 x1, ASPM unknown, Latency 
L0 <512ns, L1 <64us
                        ClockPM- Suprise- 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-
        Capabilities: [90] MSI-X: Enable- Mask- TabSize=1
                Vector table: BAR=0 offset=00000000
                PBA: BAR=0 offset=00000000
        Capabilities: [100] Advanced Error Reporting <?>
        Capabilities: [140] Virtual Channel <?>
        Capabilities: [160] Device Serial Number 00-00-00-00-00-00-00-00
        Kernel driver in use: ath9k
        Kernel modules: ath9k

05:00.0 VGA compatible controller [0300]: nVidia Corporation GeForce 9600 GS 
[10de:0623] (rev a1)
        Subsystem: Device [1b0a:9015]
        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
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
        Region 1: Memory at d0000000 (64-bit, prefetchable) [size=256M]
        Region 3: Memory at fa000000 (64-bit, non-prefetchable) [size=32M]
        Region 5: I/O ports at dc00 [size=128]
        [virtual] Expansion ROM at fea80000 [disabled] [size=512K]
        Capabilities: [60] Power Management version 3
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [68] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 
Enable-
                Address: 0000000000000000  Data: 0000
        Capabilities: [78] Express (v1) Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <512ns, 
L1 <4us
                        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 <512ns, L1 <1us
                        ClockPM- Suprise- LLActRep- BwNot-
                LnkCtl: ASPM Disabled; RCB 128 bytes Disabled- Retrain- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x16, TrErr- Train- SlotClk+ 
DLActive- BWMgmt- ABWMgmt-
        Capabilities: [b4] Vendor Specific Information <?>
        Capabilities: [100] Virtual Channel <?>
        Capabilities: [128] Power Budgeting <?>
        Capabilities: [600] Vendor Specific Information <?>
        Kernel driver in use: nvidia
        Kernel modules: nvidia, nvidiafb


Output of "lsmod | grep snd":
snd_hda_codec_realtek   269316  1 
snd_hda_intel          38408  5 
snd_hda_codec          92800  2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep              16776  1 snd_hda_codec
snd_pcm_oss            49952  0 
snd_pcm                96520  4 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_page_alloc         18704  2 snd_hda_intel,snd_pcm
snd_mixer_oss          24576  1 snd_pcm_oss
snd_seq_dummy          11652  0 
snd_seq_oss            39808  0 
snd_seq_midi           15552  0 
snd_rawmidi            33568  1 snd_seq_midi
snd_seq_midi_event     16384  2 snd_seq_oss,snd_seq_midi
snd_seq                66336  6 
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer              32656  2 snd_pcm,snd_seq
snd_seq_device         16404  5 
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd                    80200  22 
snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm_oss,snd_pcm,snd_mixer_oss,snd_seq_dummy,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore              16800  1 snd


Output of "tail -n 30 /var/log/user.log":
Aug  1 10:31:42 mayhem pulseaudio[31800]: main.c: Called SUID root and 
real-time and/or high-priority scheduling was requested in the configuration. 
However, we lack the necessary privileges:
Aug  1 10:31:42 mayhem pulseaudio[31800]: main.c: We are not in group 
'pulse-rt', PolicyKit refuse to grant us the requested privileges and we have 
no increase RLIMIT_NICE/RLIMIT_RTPRIO resource limits.
Aug  1 10:31:42 mayhem pulseaudio[31800]: main.c: For enabling 
real-time/high-priority scheduling please acquire the appropriate PolicyKit 
privileges, or become a member of 'pulse-rt', or increase the 
RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user.
Aug  1 11:43:01 mayhem pulseaudio[31804]: module-console-kit.c: GetUnixUser() 
call failed: org.freedesktop.DBus.Error.UnknownMethod: Method "GetUnixUser" 
with signature "" on interface "org.freedesktop.ConsoleKit.Session" doesn't 
exist
Aug  1 20:00:01 mayhem pulseaudio[31804]: module-console-kit.c: GetUnixUser() 
call failed: org.freedesktop.DBus.Error.UnknownMethod: Method "GetUnixUser" 
with signature "" on interface "org.freedesktop.ConsoleKit.Session" doesn't 
exist
Aug  1 20:00:01 mayhem pulseaudio[31804]: module-console-kit.c: GetUnixUser() 
call failed: org.freedesktop.DBus.Error.UnknownMethod: Method "GetUnixUser" 
with signature "" on interface "org.freedesktop.ConsoleKit.Session" doesn't 
exist
Aug  1 20:17:01 mayhem pulseaudio[31804]: module-console-kit.c: GetUnixUser() 
call failed: org.freedesktop.DBus.Error.UnknownMethod: Method "GetUnixUser" 
with signature "" on interface "org.freedesktop.ConsoleKit.Session" doesn't 
exist
Aug  2 00:00:01 mayhem pulseaudio[31804]: module-console-kit.c: GetUnixUser() 
call failed: org.freedesktop.DBus.Error.UnknownMethod: Method "GetUnixUser" 
with signature "" on interface "org.freedesktop.ConsoleKit.Session" doesn't 
exist
Aug  2 01:06:06 mayhem pulseaudio[18436]: main.c: Called SUID root and 
real-time and/or high-priority scheduling was requested in the configuration. 
However, we lack the necessary privileges:
Aug  2 01:06:06 mayhem pulseaudio[18436]: main.c: We are not in group 
'pulse-rt', PolicyKit refuse to grant us the requested privileges and we have 
no increase RLIMIT_NICE/RLIMIT_RTPRIO resource limits.
Aug  2 01:06:06 mayhem pulseaudio[18436]: main.c: For enabling 
real-time/high-priority scheduling please acquire the appropriate PolicyKit 
privileges, or become a member of 'pulse-rt', or increase the 
RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user.
Aug  2 02:17:01 mayhem pulseaudio[18439]: module-console-kit.c: GetUnixUser() 
call failed: org.freedesktop.DBus.Error.UnknownMethod: Method "GetUnixUser" 
with signature "" on interface "org.freedesktop.ConsoleKit.Session" doesn't 
exist
Aug  2 03:26:01 mayhem pulseaudio[18439]: module-console-kit.c: GetUnixUser() 
call failed: org.freedesktop.DBus.Error.UnknownMethod: Method "GetUnixUser" 
with signature "" on interface "org.freedesktop.ConsoleKit.Session" doesn't 
exist
Aug  2 04:00:01 mayhem pulseaudio[18439]: module-console-kit.c: GetUnixUser() 
call failed: org.freedesktop.DBus.Error.UnknownMethod: Method "GetUnixUser" 
with signature "" on interface "org.freedesktop.ConsoleKit.Session" doesn't 
exist
Aug  2 05:43:02 mayhem pulseaudio[18439]: module-console-kit.c: GetUnixUser() 
call failed: org.freedesktop.DBus.Error.UnknownMethod: Method "GetUnixUser" 
with signature "" on interface "org.freedesktop.ConsoleKit.Session" doesn't 
exist
Aug  2 09:50:01 mayhem pulseaudio[18439]: module-console-kit.c: GetUnixUser() 
call failed: org.freedesktop.DBus.Error.UnknownMethod: Method "GetUnixUser" 
with signature "" on interface "org.freedesktop.ConsoleKit.Session" doesn't 
exist
Aug  2 12:45:43 mayhem usbmount[23028]: cannot read from /dev/sdf
Aug  2 13:24:18 mayhem pulseaudio[28666]: main.c: Called SUID root and 
real-time and/or high-priority scheduling was requested in the configuration. 
However, we lack the necessary privileges:
Aug  2 13:24:18 mayhem pulseaudio[28666]: main.c: We are not in group 
'pulse-rt', PolicyKit refuse to grant us the requested privileges and we have 
no increase RLIMIT_NICE/RLIMIT_RTPRIO resource limits.
Aug  2 13:24:18 mayhem pulseaudio[28666]: main.c: For enabling 
real-time/high-priority scheduling please acquire the appropriate PolicyKit 
privileges, or become a member of 'pulse-rt', or increase the 
RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user.
Aug  2 13:24:18 mayhem pulseaudio[28669]: pid.c: Stale PID file, overwriting.
Aug  2 13:24:18 mayhem pulseaudio[28669]: alsa-util.c: Error opening PCM device 
hw:0: No such file or directory
Aug  2 13:24:18 mayhem pulseaudio[28669]: module.c: Failed to load  module 
"module-alsa-source" (argument: "device_id=0 
source_name=alsa_input.pci_8086_293e_sound_card_0_alsa_capture_0 tsched=0"): 
initialization failed.
Aug  2 13:24:18 mayhem pulseaudio[28669]: alsa-util.c: Error opening PCM device 
hw:0: No such file or directory
Aug  2 13:24:18 mayhem pulseaudio[28669]: module.c: Failed to load  module 
"module-alsa-sink" (argument: "device_id=0 
sink_name=alsa_output.pci_8086_293e_sound_card_0_alsa_playback_0 tsched=0"): 
initialization failed.
Aug  2 13:25:04 mayhem pulseaudio[29219]: main.c: Called SUID root and 
real-time and/or high-priority scheduling was requested in the configuration. 
However, we lack the necessary privileges:
Aug  2 13:25:04 mayhem pulseaudio[29219]: main.c: We are not in group 
'pulse-rt', PolicyKit refuse to grant us the requested privileges and we have 
no increase RLIMIT_NICE/RLIMIT_RTPRIO resource limits.
Aug  2 13:25:04 mayhem pulseaudio[29219]: main.c: For enabling 
real-time/high-priority scheduling please acquire the appropriate PolicyKit 
privileges, or become a member of 'pulse-rt', or increase the 
RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user.
Aug  2 20:00:01 mayhem pulseaudio[29222]: module-console-kit.c: GetUnixUser() 
call failed: org.freedesktop.DBus.Error.UnknownMethod: Method "GetUnixUser" 
with signature "" on interface "org.freedesktop.ConsoleKit.Session" doesn't 
exist
Aug  2 22:01:01 mayhem pulseaudio[29222]: module-console-kit.c: GetUnixUser() 
call failed: org.freedesktop.DBus.Error.UnknownMethod: Method "GetUnixUser" 
with signature "" on interface "org.freedesktop.ConsoleKit.Session" doesn't 
exist


Output of "uname -a":
Linux mayhem 2.6.28-13-generic #45-Ubuntu SMP Tue Jun 30 22:12:12 UTC 2009 
x86_64 GNU/Linux


Output of "dmesg | tail -30":
[1165054.483959] scsi26 : SCSI emulation for USB Mass Storage devices
[1165054.484032] usb-storage: device found at 21
[1165054.484034] usb-storage: waiting for device to settle before scanning
[1165059.481687] usb-storage: device scan complete
[1165059.483682] scsi 26:0:0:0: Direct-Access     HTC      Android Phone    
0100 PQ: 0 ANSI: 2
[1165059.493380] sd 26:0:0:0: [sdf] Attached SCSI removable disk
[1165059.494023] sd 26:0:0:0: Attached scsi generic sg6 type 0
[1165085.089252] sd 26:0:0:0: [sdf] 1984000 512-byte hardware sectors: (1.01 
GB/968 MiB)
[1165085.091244] sd 26:0:0:0: [sdf] Write Protect is off
[1165085.091246] sd 26:0:0:0: [sdf] Mode Sense: 03 00 00 00
[1165085.091248] sd 26:0:0:0: [sdf] Assuming drive cache: write through
[1165085.096274] sd 26:0:0:0: [sdf] 1984000 512-byte hardware sectors: (1.01 
GB/968 MiB)
[1165085.098268] sd 26:0:0:0: [sdf] Write Protect is off
[1165085.098270] sd 26:0:0:0: [sdf] Mode Sense: 03 00 00 00
[1165085.098272] sd 26:0:0:0: [sdf] Assuming drive cache: write through
[1165085.098276]  sdf: sdf1
[1167250.365722] sr0: CDROM not ready.  Make sure there is a disc in the drive.
[1167279.926616] sr0: CDROM not ready.  Make sure there is a disc in the drive.
[1167381.933438] pulseaudio[18439]: segfault at 7fbd37cd2fd0 ip 
00007fbd37cd2fd0 sp 00007fff48980088 error 14 in 
module-null-sink.so[7fbd384f9000+3000]
[1167383.480997] HDA Intel 0000:00:1b.0: PCI INT A disabled
[1167383.716052] HDA Intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> 
IRQ 22
[1167383.716113] HDA Intel 0000:00:1b.0: setting latency timer to 64
[1167383.780201] input: HDA Digital PCBeep as 
/devices/pci0000:00/0000:00:1b.0/input/input15
[1167432.588097] HDA Intel 0000:00:1b.0: PCI INT A disabled
[1167432.934955] HDA Intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> 
IRQ 22
[1167432.935076] HDA Intel 0000:00:1b.0: setting latency timer to 64
[1167433.021665] input: HDA Digital PCBeep as 
/devices/pci0000:00/0000:00:1b.0/input/input16
[1171806.164693] sr0: CDROM not ready.  Make sure there is a disc in the drive.
[1171915.070674] sr0: CDROM not ready.  Make sure there is a disc in the drive.
[1172033.750199] sr0: CDROM not ready.  Make sure there is a disc in the drive.


Output of "cat /proc/version_signature":
Ubuntu 2.6.28-13.45-generic


Output of "cat /proc/version":
Linux version 2.6.28-13-generic (bui...@yellow) (gcc version 4.3.3 (Ubuntu 
4.3.3-5ubuntu4) ) #45-Ubuntu SMP Tue Jun 30 22:12:12 UTC 2009

** Affects: alsa-driver (Ubuntu)
     Importance: Undecided
         Status: New

-- 
ALSA dies when certain processes glom sound drivers in Ubuntu Jaunty Jackalope 
9.04
https://bugs.launchpad.net/bugs/408174
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