Ich habe das gleiche Problem! Seit kurzem kein Sound mehr.
Ich habe mein System schon auf systemd umgestellt, weil ich dachte, dass das vielleicht hilft. Hat aber nichts gebracht.
dmesg findet ihr hier - darunter auch ein Part mit seltsamen Fehlermeldungen von udev. Ich kann aber leider nichts damit anfangen:
http://pastebin.com/GFNNLGrw
Nochmal mehr zur Fehlerbeschreibung hier:
[i42n@ws-st ~]$ alsamixer
cannot open mixer: No such file or directory
lspci
00:00.0 Host bridge: Intel Corporation 82975X Memory Controller Hub
00:01.0 PCI bridge: Intel Corporation 82975X PCI Express Root Port
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 01)
00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 01)
00:1c.4 PCI bridge: Intel Corporation 82801GR/GH/GHM (ICH7 Family) PCI Express Port 5 (rev 01)
00:1c.5 PCI bridge: Intel Corporation 82801GR/GH/GHM (ICH7 Family) PCI Express Port 6 (rev 01)
00:1d.0 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 (rev 01)
00:1d.1 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 01)
00:1d.2 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 01)
00:1d.3 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 01)
00:1d.7 USB controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1)
00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01)
00:1f.2 RAID bus controller: Intel Corporation 82801GR/GDH (ICH7R/ICH7DH) SATA Controller [RAID mode] (rev 01)
01:00.0 VGA compatible controller: NVIDIA Corporation G96 [GeForce 9500 GT] (rev a1)
3f:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5755 Gigabit Ethernet PCI Express (rev 02)
lsmod
Module Size Used by
nfsd 240924 13
exportfs 3665 1 nfsd
smsc47b397 3431 0
joydev 9991 0
hid_generic 1113 0
hid_cherry 1577 0
nvidia 11195142 42
snd_hda_intel 39476 1
snd_hda_codec 97432 1 snd_hda_intel
snd_hwdep 6300 1 snd_hda_codec
snd_pcm 74926 2 snd_hda_codec,snd_hda_intel
snd_page_alloc 7217 2 snd_pcm,snd_hda_intel
tg3 137482 0
snd_timer 18966 1 snd_pcm
snd 60021 5 snd_hwdep,snd_timer,snd_pcm,snd_hda_codec,snd_hda_intel
lpc_ich 18946 1
mfd_core 2833 1 lpc_ich
microcode 12345 0
kvm_intel 124013 0
i2c_core 20508 1 nvidia
soundcore 5442 1 snd
libphy 16923 1 tg3
psmouse 71557 0
i82975x_edac 6184 1
edac_core 37609 2 i82975x_edac
kvm 363714 1 kvm_intel
hp_wmi 7898 0
sparse_keymap 3056 1 hp_wmi
rfkill 15604 1 hp_wmi
wmi 8475 1 hp_wmi
evdev 9882 8
serio_raw 4689 0
ppdev 5902 0
parport_pc 30669 0
parport 31395 2 ppdev,parport_pc
pcspkr 1899 0
button 4502 0
coretemp 6006 0
nfs 278819 0
nfs_acl 2359 2 nfs,nfsd
lockd 62728 2 nfs,nfsd
auth_rpcgss 32286 2 nfs,nfsd
sunrpc 185158 18 nfs,nfsd,auth_rpcgss,lockd,nfs_acl
fscache 41059 1 nfs
vboxnetflt 16871 0
vboxdrv 1791912 1 vboxnetflt
loop 18160 0
fuse 68908 1
acpi_cpufreq 5933 0
mperf 1267 1 acpi_cpufreq
processor 27015 1 acpi_cpufreq
autofs4 24023 2
usbhid 36812 0
hid 85608 3 hid_cherry,hid_generic,usbhid
ext4 438807 3
crc16 1359 1 ext4
jbd2 78720 1 ext4
mbcache 5977 1 ext4
sr_mod 14823 0
cdrom 35648 1 sr_mod
sd_mod 29271 5
pata_acpi 3408 0
ata_generic 3327 0
uhci_hcd 23404 0
ahci 20549 4
libahci 20023 1 ahci
ata_piix 23160 0
ehci_hcd 41058 0
libata 167675 5 ahci,pata_acpi,libahci,ata_generic,ata_piix
scsi_mod 132896 3 libata,sd_mod,sr_mod
usbcore 147434 3 uhci_hcd,ehci_hcd,usbhid
usb_common 954 1 usbcore
floppy 58418 0
ls /dev/snd
seq timer
cat /proc/asound/cards
--- no soundcards ---
aplay -l
aplay: device_list:252: no soundcards found...
Und übrigens: Ich bin Mitglied in der Audio Gruppe.
Ideen? Vorschläge? Weiß echt nicht mehr was ich noch probieren soll...