On Fri, Jul 2, 2010 at 5:39 AM, Tenoch <mignonmexic...@aol.com> wrote:
> Now this is when I turn on my computer and there is no sound since the 
> beginning of the session.
> erne...@ernesto-laptop:~$ lsmod | grep snd
> erne...@ernesto-laptop:~$
> as you can see the  lsmod | grep snd did not have any output
>
>
> the files or directories are present, none is missing on kernel 
> 2.6.32.23-generic
>

Just to clarify, so u have gone each of the following subdirectories:

/lib/modules/2.6.32-21-generic/kernel
/lib/modules/2.6.32-22-generic/kernel
/lib/modules/2.6.32-23-generic/kernel

and make sure that the kernel modules exists?   They cannot be
identical due to kernel version differences.   For eg, under my
directory (custom-build kernel):

/lib/modules/2.6.34-rc3/kernel
./sound/usb:
total 752
drwxr-xr-x  4 root root   4096 2010-06-18 00:58 .
drwxr-xr-x 12 root root   4096 2010-06-18 00:58 ..
drwxr-xr-x  2 root root   4096 2010-06-18 00:58 caiaq
-rw-r--r--  1 root root 544195 2010-06-18 00:58 snd-usb-audio.ko
-rw-r--r--  1 root root 204939 2010-06-18 00:58 snd-usb-lib.ko
drwxr-xr-x  2 root root   4096 2010-06-18 00:58 usx2y

./sound/usb/caiaq:
total 652
drwxr-xr-x 2 root root   4096 2010-06-18 00:58 .
drwxr-xr-x 4 root root   4096 2010-06-18 00:58 ..
-rw-r--r-- 1 root root 658176 2010-06-18 00:58 snd-usb-caiaq.ko

./sound/usb/usx2y:
total 664
drwxr-xr-x 2 root root   4096 2010-06-18 00:58 .
drwxr-xr-x 4 root root   4096 2010-06-18 00:58 ..
-rw-r--r-- 1 root root 204586 2010-06-18 00:58 snd-usb-us122l.ko
-rw-r--r-- 1 root root 465217 2010-06-18 00:58 snd-usb-usx2y.ko

and ensuring the permission are valid, right? (unlikely to have error
if u are doing it by Lucid or apt-get way)

Together with "dmesg"'s output needed as well - do this on the machine
where /dev/snd is not found.    "dmesg" should indicate some errors
during kernel bootup, as lsmod does not show any "snd" related modules
being loaded.

Since udev configuration is commonly used by all the different kernel
version - this is unlikely to be the cause of error.

> erne...@ernesto-laptop:~$ lsmod
> Module                  Size  Used by
> aes_i586                7268  404
> aes_generic            26863  1 aes_i586
> binfmt_misc             6587  1
> ppdev                   5259  0
> ipt_REJECT              1928  1
> ipt_LOG                 4542  9
> xt_limit                1382  2
> xt_tcpudp               2011  8
> dm_crypt               11331  0
> ipt_addrtype            1631  4
> xt_state                1098  6
> ip6table_filter         2343  1
> ip6_tables             11227  1 ip6table_filter
> vboxnetadp              6390  0
> vboxnetflt             12740  0
> nf_nat_irc              1124  0
> nf_conntrack_irc        3332  1 nf_nat_irc
> nf_nat_ftp              1836  0
> nf_nat                 15735  2 nf_nat_irc,nf_nat_ftp
> vboxdrv               168753  2 vboxnetadp,vboxnetflt
> nf_conntrack_ipv4      10672  8 nf_nat
> nf_defrag_ipv4          1073  1 nf_conntrack_ipv4
> arc4                    1153  2
> joydev                  8708  0
> nf_conntrack_ftp        5381  1 nf_nat_ftp
> uvcvideo               56990  0
> nvidia               9961216  40
> nf_conntrack           61583  7 
> xt_state,nf_nat_irc,nf_conntrack_irc,nf_nat_ftp,nf_nat,nf_conntrack_ipv4,nf_conntrack_ftp
> videodev               34361  1 uvcvideo
> i2c_nforce2             5199  0
> iptable_filter          2271  1
> sdhci_pci               5470  0
> ricoh_mmc               2923  0
> v4l1_compat            13251  2 uvcvideo,videodev
> k8temp                  3024  0
> agpgart                31724  1 nvidia
> ath5k                 121792  0
> mac80211              205146  1 ath5k
> sdhci                  15462  1 sdhci_pci
> ath                     7611  1 ath5k
> ip_tables               9991  1 iptable_filter
> x_tables               14299  8 
> ipt_REJECT,ipt_LOG,xt_limit,xt_tcpudp,ipt_addrtype,xt_state,ip6_tables,ip_tables
> cfg80211              126517  3 ath5k,mac80211,ath
> led_class               2864  2 ath5k,sdhci
> psmouse                63245  0
> serio_raw               3978  0
> lp                      7028  0
> parport                32635  2 ppdev,lp
> ohci1394               26950  0
> fbcon                  35102  71
> tileblit                2031  1 fbcon
> font                    7557  1 fbcon
> bitblit                 4707  1 fbcon
> softcursor              1189  1 bitblit
> video                  17375  0
> output                  1871  1 video
> pata_amd                8766  2
> forcedeth              49556  0
> ieee1394               81181  1 ohci1394
> vga16fb                11385  1
> vgastate                8961  1 vga16fb
> ahci                   32168  2
>
> --
> Sound just stopped working completely. It used to work before.
> https://bugs.launchpad.net/bugs/600041
> You received this bug notification because you are a member of Ubuntu
> Audio Team, which is subscribed to alsa-driver in ubuntu.
>
> Status in “alsa-driver” package in Ubuntu: New
>
> Bug description:
> It started gradually because the sound would stop working and after a reboot 
> it would work again, today it just wont work at all even after the reboot.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 10.04
> Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
> ProcVersionSignature: Ubuntu 2.6.32-22.36-generic 2.6.32.11+drm33.2
> Uname: Linux 2.6.32-22-generic i686
> NonfreeKernelModules: nvidia
> AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 
> 2: ls: cannot access /dev/snd/: No such file or directory
> AplayDevices: aplay: device_list:223: no soundcards found...
> Architecture: i386
> ArecordDevices: arecord: device_list:223: no soundcards found...
> CheckboxSubmission: 71f1eefe8b8b0a79087ed60434917a6b
> CheckboxSystem: e704f33cc0866ff0f0256a33de39ea1c
> Date: Tue Jun 29 21:18:53 2010
> EcryptfsInUse: Yes
> InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
> PackageArchitecture: all
> PciMultimedia:
>
> ProcEnviron:
>  LANG=en_US.utf8
>  SHELL=/bin/bash
> SourcePackage: alsa-driver
>
>
>


-- 
Regards,
Peter Teoh

-- 
Sound just stopped working completely. It used to work before.
https://bugs.launchpad.net/bugs/600041
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.

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