gosh, after deciding to stop using windows, this linux stuff is
impressing me but also disappointing me quite a bit :( especially for a
new user like me, it's really time-consuming to deal with things like
this that i don't think i should be dealing with .... is it my
headphones? no.... is it the front audio connection in my new case? no..
is it my new motherboard? no, it seems to be related to a kernel
module, as executing the following commands got rid of the static:
$ pulseaudio -k
$ sudo service alsa-utils stop
$ sudo rmmod snd_hda_intel
$ sudo modprobe snd_hda_intel
$ sudo service alsa-utils start
$ pulseaudio -D
(had to kill mixer_applet2 and any other apps using the audio devices)
i don't have an intel audio device, but am still using that kernel
module apparently. maybe the device (details below) is using some intel
chip....
ubuntu 8.10 with linux 2.6.27-9-generic
i have been using ubuntu for a few months now and have not noticed this
until today.
relevant lspci -vvnn:
00:14.2 Audio device [0403]: ATI Technologies Inc SBx00 Azalia (Intel HDA)
[1002:4383]
Subsystem: ASUSTeK Computer Inc. Device [1043:8288]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 64, Cache Line Size: 64 bytes
Interrupt: pin ? routed to IRQ 16
Region 0: Memory at fe7f4000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
01:00.1 Audio device [0403]: ATI Technologies Inc HD48x0 audio [1002:aa30]
Subsystem: ASUSTeK Computer Inc. Device [1043:aa30]
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: 64 bytes
Interrupt: pin B routed to IRQ 19
Region 0: Memory at fe8ec000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
relevant aplay -l:
card 0: SB [HDA ATI SB], device 0: AD198x Analog [AD198x Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: SB [HDA ATI SB], device 1: AD198x Digital [AD198x Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 3: ATI HDMI [ATI HDMI]
Subdevices: 1/1
Subdevice #0: subdevice #0
if you want more info or whatever, i'm happy to help. just needa get
used to this i guess.....
--
Static sound on hda-intel STAC 9221 A1
https://bugs.launchpad.net/bugs/266927
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