Ok so I have the kernel you suggested and the results are interesting.
aplay -l:
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC889 Analog [ALC889 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 1: ALC889 Digital [ALC889 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
The third card is not my Maudio - but it is an addition to the previous kernel
where only the first two were found.
More interesting is the output of lspci -vvv:
01:00.0 VGA compatible controller: nVidia Corporation G71 [GeForce 7900 GT/GTO]
(rev a1)
Subsystem: nVidia Corporation Device 042b
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: 4 bytes
Interrupt: pin A routed to IRQ 12
Region 0: Memory at f8000000 (32-bit, non-prefetchable) [size=16M]
Region 1: Memory at e0000000 (64-bit, prefetchable) [size=256M]
Region 3: Memory at f9000000 (64-bit, non-prefetchable) [size=16M]
Region 5: I/O ports at ef00 [size=128]
[virtual] Expansion ROM at fa000000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel modules: nouveau, nvidiafb
.......
06:01.0 Multimedia audio controller: VIA Technologies Inc. ICE1712 [Envy24] PCI
Multi-Channel I/O Controller (rev 02)
Subsystem: VIA Technologies Inc. Device d632
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 A routed to IRQ 16
Region 0: I/O ports at cfc0 [size=32]
Region 1: I/O ports at cff0 [size=16]
Region 2: I/O ports at cfe0 [size=16]
Region 3: I/O ports at cf80 [size=64]
Capabilities: <access denied>
Kernel modules: snd-ice1712
So the two cards are no longer on the same IRQ - But the Maudio still
isnt being recognised.
I tried sudo modprobe snd_ice1712 but to no avail.
Not sure whether to mark this as fixed by upstream kernel (as the IRQ is
different) or leave as the symptom is still here?
Thanks
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https://bugs.launchpad.net/bugs/946230
Title:
unresolvable IRQ conflicts between expansion cards
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