I'm seeing this bug on my Mac Mini. Rebooting doesn't help. As above I
simply get a crackling sound using Alsa/Pulse and sound + crackling with
OSS.
This is with the latest Intrepid Ibex with updates. Sound worked fine
under Hardy Heron. I really hope this gets fixed before release. I think
the severity should be bumped to high as ausio is an important part of a
desktop system and it seems to me it's completely broken in these cases.
$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: STAC92xx Digital [STAC92xx Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
$ lspci -vvnn -s "00:1b.0"
00:1b.0 Audio device [0403]: Intel Corporation 82801G (ICH7 Family) High
Definition Audio Controller [8086:27d8] (rev 02)
Subsystem: SigmaTel Device [8384:7680]
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: 256 bytes
Interrupt: pin A routed to IRQ 22
Region 0: Memory at 50440000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
--
Static sound on hda-intel STAC 9221 A1
https://bugs.launchpad.net/bugs/266927
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