so I deleted pulseaudio and now sound works.
good luck everybody

2009/9/4 fab <email address hidden>

> ** Tags added: 0.9.16 null output pulseaudio
>
> --
> [karmic] pulseaudio: card not found - Null Output
> https://bugs.launchpad.net/bugs/394500
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in “pulseaudio” package in Ubuntu: New
>
> Bug description:
> Binary package hint: pulseaudio
>
> Pulseaudio sudenly can't find my sound card.
>
> $ pulseaudio --version
> pulseaudio 0.9.15
>
> $ pulseaudio -vvvv
> D: main.c: Started as real root: no, suid root: yes
> I: main.c: We're in the group 'pulse-rt', allowing high-priority
> scheduling.
> I: main.c: setrlimit(RLIMIT_NICE, (31, 31)) failed: Operation not permitted
> I: main.c: setrlimit(RLIMIT_RTPRIO, (9, 9)) failed: Operation not permitted
> I: core-util.c: Successfully gained nice level -11.
> D: main.c: Can realtime: yes, can high-priority: yes
> I: main.c: Giving up CAP_NICE
> D: main.c: Can realtime: no, can high-priority: no
> I: main.c: This is PulseAudio 0.9.15
> D: main.c: Compilation host: i486-pc-linux-gnu
> D: main.c: Compilation CFLAGS: -g -O2 -g -Wall -O3 -Wall -W -Wextra -pipe
> -Wno-long-long -Winline -Wvla -Wno-overlength-strings
> -Wunsafe-loop-optimizations -Wundef -Wformat=2 -Wlogical-op -Wsign-compare
> -Wformat-security -Wmissing-include-dirs -Wformat-nonliteral
> -Wold-style-definition -Wpointer-arith -Winit-self
> -Wdeclaration-after-statement -Wfloat-equal -Wmissing-prototypes
> -Wstrict-prototypes -Wredundant-decls -Wmissing-declarations
> -Wmissing-noreturn -Wshadow -Wendif-labels -Wcast-align -Wstrict-aliasing=2
> -Wwrite-strings -Wno-unused-parameter -ffast-math -Wp,-D_FORTIFY_SOURCE=2
> -fno-common -fdiagnostics-show-option
> D: main.c: Running on host: Linux i686 2.6.30-10-generic #12-Ubuntu SMP Mon
> Jun 22 16:30:39 UTC 2009
> D: main.c: Found 4 CPUs.
> I: main.c: Page size is 4096 bytes
> D: main.c: Compiled with Valgrind support: no
> D: main.c: Running in valgrind mode: no
> D: main.c: Optimized build: yes
> D: main.c: All asserts enabled.
> I: main.c: Machine ID is d482d29399558086483340564973600a.
> I: main.c: Session ID is
> d482d29399558086483340564973600a-1246424526.595472-821812929.
> I: main.c: Using runtime directory
> /home/adamk/.pulse/d482d29399558086483340564973600a:runtime.
> I: main.c: Using state directory /home/adamk/.pulse.
> I: main.c: Running in system mode: no
> I: main.c: Fresh high-resolution timers available! Bon appetit!
> D: rtclock.c: Timer slack is set to 50 us.
> D: memblock.c: Using shared memory pool with 1024 slots of size 64,0 KiB
> each, total size is 64,0 MiB, maximum usable slot size is 65496
> I: module.c: Loaded "module-suspend-on-idle" (index: #0; argument: "").
> I: module-device-restore.c: Sucessfully opened database file
> '/home/adamk/.pulse/d482d29399558086483340564973600a:device-volumes.i486-pc-linux-gnu.gdbm'.
> I: module.c: Loaded "module-device-restore" (index: #1; argument: "").
> I: module-stream-restore.c: Sucessfully opened database file
> '/home/adamk/.pulse/d482d29399558086483340564973600a:stream-volumes.i486-pc-linux-gnu.gdbm'.
> I: module.c: Loaded "module-stream-restore" (index: #2; argument: "").
> I: module-card-restore.c: Sucessfully opened database file
> '/home/adamk/.pulse/d482d29399558086483340564973600a:card-database.i486-pc-linux-gnu.gdbm'.
> I: module.c: Loaded "module-card-restore" (index: #3; argument: "").
> I: module.c: Loaded "module-augment-properties" (index: #4; argument: "").
> D: cli-command.c: Checking for existance of
> '/usr/lib/pulse-0.9.15/modules/module-hal-detect.so': success
> D: dbus-util.c: Successfully connected to D-Bus system bus
> cab3cb5790706bd4345920244a4aedb8 as :1.261
> D: module-hal-detect.c: Not loaded device
> /org/freedesktop/Hal/devices/computer_alsa_timer
> D: module-hal-detect.c: Not loaded device
> /org/freedesktop/Hal/devices/computer_alsa_sequencer
> D: module-hal-detect.c: Not loaded device
> /org/freedesktop/Hal/devices/pci_8086_293e_sound_card_0_alsa_capture_2
> D: module-hal-detect.c: Not loaded device
> /org/freedesktop/Hal/devices/pci_8086_293e_sound_card_0_alsa_playback_1
> D: module-hal-detect.c: Not loaded device
> /org/freedesktop/Hal/devices/pci_8086_293e_sound_card_0_alsa_capture_1
> D: module-hal-detect.c: Not loaded device
> /org/freedesktop/Hal/devices/pci_8086_293e_sound_card_0_alsa_playback_0
> D: module-hal-detect.c: Not loaded device
> /org/freedesktop/Hal/devices/pci_8086_293e_sound_card_0_alsa_capture_0
> D: module-hal-detect.c: Loading module-alsa-card with arguments
> 'device_id=0 name=pci_8086_293e_sound_card_0
> card_name=alsa_card.pci_8086_293e_sound_card_0 tsched=0'
> E: module-alsa-card.c: Card '0' doesn't exist: No such file or directory
> E: module.c: Failed to load  module "module-alsa-card" (argument:
> "device_id=0 name=pci_8086_293e_sound_card_0
> card_name=alsa_card.pci_8086_293e_sound_card_0 tsched=0"): initialization
> failed.
> D: module-hal-detect.c: Not loaded device
> /org/freedesktop/Hal/devices/pci_8086_293e_sound_card_0_alsa_control__1
>
> It worked ok before.
>