snd-intel-hda: screaming IRQ with 3.5.3 kernel (HDMI)

[Chris Rankin]

Hi,

I have recently added a Radeon HD4670 to one of my older PCs, and have noticed 
that it has IRQ trouble when I try to enable the HDMI audio:

irq 17: nobody cared (try booting with the "irqpoll" option)
Pid: 0, comm: swapper/0 Not tainted 3.5.3 #2
Call Trace:
 [<c1063806>] ? __report_bad_irq+0x11/0x94
 [<c1063a2d>] ? note_interrupt+0x120/0x19b
 [<c1062325>] ? handle_irq_event_percpu+0xe8/0xfb
 [<c1062361>] ? handle_irq_event+0x29/0x40
 [<c10640fc>] ? handle_level_irq+0x93/0x93
 [<c1064163>] ? handle_fasteoi_irq+0x67/0x90
 <IRQ>  [<c1003625>] ? do_IRQ+0x2e/0x83
 [<c1229829>] ? common_interrupt+0x29/0x30
 [<c106007b>] ? audit_update_watch+0x59/0x285
 [<c1007479>] ? default_idle+0x23/0x3b
 [<c1007b38>] ? cpu_idle+0x4b/0x7e
 [<c1314877>] ? start_kernel+0x2a4/0x2a7
handlers:
[<f8c97b75>] azx_interrupt [snd_hda_intel]
Disabling IRQ #17

This is frequently followed by KMS trouble too:

irq 16: nobody cared (try booting with the "irqpoll" option)
Pid: 0, comm: swapper/0 Not tainted 3.5.3 #2
Call Trace:
 [<c1063806>] ? __report_bad_irq+0x11/0x94
 [<c1063a2d>] ? note_interrupt+0x120/0x19b
 [<c1062325>] ? handle_irq_event_percpu+0xe8/0xfb
 [<c1062361>] ? handle_irq_event+0x29/0x40
 [<c10640fc>] ? handle_level_irq+0x93/0x93
 [<c1064163>] ? handle_fasteoi_irq+0x67/0x90
 <IRQ>  [<c1003625>] ? do_IRQ+0x2e/0x83
 [<c1229829>] ? common_interrupt+0x29/0x30
 [<c106007b>] ? audit_update_watch+0x59/0x285
 [<c1007479>] ? default_idle+0x23/0x3b
 [<c1007b38>] ? cpu_idle+0x4b/0x7e
 [<c1314877>] ? start_kernel+0x2a4/0x2a7
handlers:
[<f818bfb3>] radeon_driver_irq_handler_kms [radeon]
[<f81fe55f>] usb_hcd_irq [usbcore]
Disabling IRQ #16

The PCI entries are:

01:00.1 Audio device: ATI Technologies Inc RV710/730
        Subsystem: ATI Technologies Inc RV710/730
        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 (2000ns min), Cache Line Size: 64 bytes
        Interrupt: pin B routed to IRQ 17
        Region 0: Memory at ff8ec000 (32-bit, non-prefetchable) [size=16K]
        Capabilities: [50] 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-
        Kernel driver in use: snd_hda_intel

and:

01:00.0 VGA compatible controller: ATI Technologies Inc RV730 Pro AGP [Radeon HD 
4600 Series] (prog-if 00 [VGA controller])
        Subsystem: ATI Technologies Inc Device 0028
        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 (2000ns min), Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at e0000000 (32-bit, prefetchable) [size=256M]
        Region 1: I/O ports at ec00 [size=256]
        Region 2: Memory at ff8f0000 (32-bit, non-prefetchable) [size=64K]
        Expansion ROM at ff800000 [disabled] [size=128K]
        Capabilities: [50] 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: [58] AGP version 3.0
                Status: RQ=256 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64- HTrans- 
64bit- FW+ AGP3+ Rate=x4,x8
                Command: RQ=32 ArqSz=2 Cal=0 SBA+ AGP+ GART64- 64bit- FW- Rate=x8
        Kernel driver in use: radeon

Does anyone have any suggestions, please?

Thanks,
Chris
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