[alsa-devel] pulseaudio module-udev-detect failure on 2.6.34-rc1

[Takashi Iwai]

At Wed, 31 Mar 2010 12:40:16 +0800,
Wu Fengguang wrote:
> 
> Greetings,
> 
> Pulseaudio can no longer detect sound cards on kernel 2.6.34-rc1.
> Note that 2.6.33 is OK.
> 
> I noticed that the related sysfs directories/files changed.
> Note that the card0/ directory is gone in new kernel:
> 
> 2.6.33
> wfg at hp ~% ll /sys/class/sound                          
> total 0
> lrwxrwxrwx 1 root root 0 2010-03-31 12:23 timer -> ../../devices/virtual/sound/timer
> lrwxrwxrwx 1 root root 0 2010-03-31 12:23 pcmC0D1p -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/pcmC0D1p
> lrwxrwxrwx 1 root root 0 2010-03-31 12:23 pcmC0D0p -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/pcmC0D0p
> lrwxrwxrwx 1 root root 0 2010-03-31 12:23 pcmC0D0c -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/pcmC0D0c
> lrwxrwxrwx 1 root root 0 2010-03-31 12:23 mixer5 -> ../../devices/platform/thinkpad_acpi/sound/card5/mixer5
> lrwxrwxrwx 1 root root 0 2010-03-31 12:23 mixer -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/mixer
> lrwxrwxrwx 1 root root 0 2010-03-31 12:23 hwC0D0 -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/hwC0D0
> lrwxrwxrwx 1 root root 0 2010-03-31 12:23 dsp -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/dsp
> lrwxrwxrwx 1 root root 0 2010-03-31 12:23 controlC5 -> ../../devices/platform/thinkpad_acpi/sound/card5/controlC5
> lrwxrwxrwx 1 root root 0 2010-03-31 12:23 controlC0 -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/controlC0
> lrwxrwxrwx 1 root root 0 2010-03-31 12:23 card5 -> ../../devices/platform/thinkpad_acpi/sound/card5
> lrwxrwxrwx 1 root root 0 2010-03-31 12:23 card0 -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0
> lrwxrwxrwx 1 root root 0 2010-03-31 12:23 audio -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/audio
> lrwxrwxrwx 1 root root 0 2010-03-31 12:23 adsp -> ../../devices/pci0000:00/0000:00:1b.0/sound/card0/adsp
> 
> 2.6.34-rc1
> wfg at hp ~% ll /sys/class/sound                          
> total 0
> drwxr-xr-x 3 root root 0 2010-03-31 19:27 timer
> drwxr-xr-x 3 root root 0 2010-03-31 19:27 pcmC0D7p
> drwxr-xr-x 3 root root 0 2010-03-31 19:27 pcmC0D3p
> drwxr-xr-x 3 root root 0 2010-03-31 19:27 pcmC0D0p
> drwxr-xr-x 3 root root 0 2010-03-31 19:27 pcmC0D0c
> drwxr-xr-x 3 root root 0 2010-03-31 19:27 hwC0D3
> drwxr-xr-x 3 root root 0 2010-03-31 19:27 hwC0D0
> drwxr-xr-x 3 root root 0 2010-03-31 19:27 controlC0
> 
> Any ideas?

I don't see this problem on 2.6.34-rc3.
Did you change CONFIG_SYSFS_DEPRECATED* kconfig between 2.6.33 and 34?


Takashi