Pulseaudio doesn't communicate correctly with alsa on the new kernel

[Jonathan Nieder]

reassign 662611 pulseaudio
quit

Hi Nico,

Nico Antweiler wrote:

> with the new kernel Pulseaudio volume changes weirdly connect multiple
> ALSA channels together.
> Under 50% I get no sound because the Master channel is kept at zero.
> Also the Surround, Center, and LFE channels are getting changed, so that
> sometimes the Master channel is at 100%, but the other channels are at
> zero.

Currently phrased as a pulseaudio bug.  Once it is possible to describe
how to reproduce this without using pulseaudio, I'd be happy to take a
look, though.

Sorry for the trouble,
Jonathan

[...]
> [   12.729613] nvidia: module license 'NVIDIA' taints kernel.
[...]
> [   13.180062] hda_codec: ALC887-VD: BIOS auto-probing.
> [   13.187805] input: HDA Intel Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input5
[...]
> [   13.624011] HDMI status: Codec=0 Pin=4 Presence_Detect=0 ELD_Valid=0
> [   13.656009] HDMI status: Codec=0 Pin=5 Presence_Detect=0 ELD_Valid=0
> [   13.672115] input: HDA NVidia HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input6
> [   13.674441] input: HDA NVidia HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input7
[...]
> bios_vendor: American Megatrends Inc.
> bios_version: 0902
> board_vendor: ASUSTeK Computer INC.
> board_name: P5G41T-M LX
> board_version: Rev X.0x
>
> ** Loaded modules:
> pci_stub
> vboxpci(O)
[...]
> 01:00.1 Audio device [0403]: nVidia Corporation HDMI Audio stub [10de:0e08] (rev a1)
> 	Subsystem: Micro-Star International Co., Ltd. Device [1462:2630]
[...]
> ii  kmod                                    6-1