On 10/11/2008 10:55 PM, Adam Pribyl wrote:
On Sat, 11 Oct 2008, Rahul Sundaram wrote:
Dennis J. wrote:
Since I updated to the latest packages in koji a few days ago the
device nodes in /dev/snd/* no longer seem to have the right
ownership/permissions which causes audio playback through alsa to
fail. Doing a "chmod o+rw /dev/snd/*" makes audio work again.
What package is responsible for setting this up correctly so I can
file bug against it?
My guess would be ConsoleKit
Yes and no. In past this happend to several sound cards too, root cause
was that kernel /sys structure had changed, the HAL was not able to find
the hardware, and the sound devices were not set correctly. CosoleKit
takes the info from HAL, which is not aware of the card and does not set
the permissions. Quick try: lshal | grep alsa
HAL seems to detect the card correctly:
udi = '/org/freedesktop/Hal/devices/pci_1412_1712_sound_card_0_alsa_playback_0'
alsa.card = 0 (0x0) (int)
alsa.card_id = 'M Audio Audiophile 24/96' (string)
alsa.device = 0 (0x0) (int)
alsa.device_file = '/dev/snd/pcmC0D0p' (string)
alsa.device_id = 'ICE1712 multi' (string)
alsa.originating_device =
'/org/freedesktop/Hal/devices/pci_1412_1712_sound_card_0' (string)
alsa.pcm_class = 'generic' (string)
alsa.type = 'playback' (string)
info.capabilities = {'alsa', 'access_control'} (string list)
info.category = 'alsa' (string)
info.udi =
'/org/freedesktop/Hal/devices/pci_1412_1712_sound_card_0_alsa_playback_0'
(string)
udi = '/org/freedesktop/Hal/devices/pci_1412_1712_sound_card_0_alsa_capture_0'
alsa.card = 0 (0x0) (int)
alsa.card_id = 'M Audio Audiophile 24/96' (string)
alsa.device = 0 (0x0) (int)
alsa.device_file = '/dev/snd/pcmC0D0c' (string)
alsa.device_id = 'ICE1712 multi' (string)
alsa.originating_device =
'/org/freedesktop/Hal/devices/pci_1412_1712_sound_card_0' (string)
alsa.pcm_class = 'generic' (string)
alsa.type = 'capture' (string)
info.capabilities = {'alsa', 'access_control'} (string list)
info.category = 'alsa' (string)
info.udi =
'/org/freedesktop/Hal/devices/pci_1412_1712_sound_card_0_alsa_capture_0'
(string)
udi = '/org/freedesktop/Hal/devices/pci_1412_1712_sound_card_0_alsa_midi_0'
alsa.card = 0 (0x0) (int)
alsa.card_id = 'M Audio Audiophile 24/96' (string)
alsa.device = 0 (0x0) (int)
alsa.device_file = '/dev/snd/midiC0D0' (string)
alsa.originating_device =
'/org/freedesktop/Hal/devices/pci_1412_1712_sound_card_0' (string)
alsa.type = 'midi' (string)
info.capabilities = {'alsa', 'access_control'} (string list)
info.category = 'alsa' (string)
info.udi =
'/org/freedesktop/Hal/devices/pci_1412_1712_sound_card_0_alsa_midi_0' (string)
udi = '/org/freedesktop/Hal/devices/pci_1412_1712_sound_card_0_alsa_control__1'
alsa.card = 0 (0x0) (int)
alsa.card_id = 'M Audio Audiophile 24/96' (string)
alsa.device_file = '/dev/snd/controlC0' (string)
alsa.originating_device =
'/org/freedesktop/Hal/devices/pci_1412_1712_sound_card_0' (string)
alsa.type = 'control' (string)
info.capabilities = {'alsa', 'access_control'} (string list)
info.category = 'alsa' (string)
info.udi =
'/org/freedesktop/Hal/devices/pci_1412_1712_sound_card_0_alsa_control__1'
(string)
BTW I found this bug: https://bugzilla.redhat.com/show_bug.cgi?id=332781
and when I apply the changes in comment #17 things are set up correctly
once I log into my X session. That bug is quite old though and I'm not sure
if this way of fixing this has been supplanted by ConsoleKit in the mean time.
Regards,
Dennis
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