!!################################
!!ALSA Information Script v 0.4.64
!!################################

!!Script ran on: Tue Mar 24 11:48:20 UTC 2015


!!Linux Distribution
!!------------------

Ubuntu 14.04.2 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 14.04.2 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 14.04.2 LTS" HOME_URL="http://www.ubuntu.com/" SUPPORT_URL="http://help.ubuntu.com/" BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"


!!DMI Information
!!---------------

Manufacturer:      Dell Inc.                
Product Name:      OptiPlex 745                 
Product Version:   
Firmware Version:  2.6.6 


!!Kernel Information
!!------------------

Kernel release:    3.13.0-48-generic
Operating System:  GNU/Linux
Architecture:      x86_64
Processor:         x86_64
SMP Enabled:       Yes


!!ALSA Version
!!------------

Driver version:     k3.13.0-48-generic
Library version:    1.0.27.2
Utilities version:  1.0.27.2


!!Loaded ALSA modules
!!-------------------



!!Sound Servers on this system
!!----------------------------

No sound servers found.


!!Soundcards recognised by ALSA
!!-----------------------------

--- no soundcards ---


!!PCI Soundcards installed in the system
!!--------------------------------------

00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Cedar HDMI Audio [Radeon HD 5400/6300 Series]


!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!-------------------------------------------------------

00:1b.0 0403: 8086:284b (rev 02)
	Subsystem: 1028:01da
--
01:00.1 0403: 1002:aa68
	Subsystem: 1043:aa68


!!Modprobe options (Sound related)
!!--------------------------------

snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_usb_audio: index=-2
snd_usb_caiaq: index=-2
snd_usb_ua101: index=-2
snd_usb_us122l: index=-2
snd_usb_usx2y: index=-2
snd_cmipci: mpu_port=0x330 fm_port=0x388
snd_pcsp: index=-2
snd_usb_audio: index=-2


!!Loaded sound module options
!!---------------------------


!!ALSA Device nodes
!!-----------------

crw-rw----  1 root audio 116,  1 Mar 24 13:24 /dev/snd/seq
crw-rw----  1 root audio 116, 33 Mar 24 13:24 /dev/snd/timer


!!Aplay/Arecord output
!!--------------------

APLAY

aplay: device_list:268: no soundcards found...

ARECORD

arecord: device_list:268: no soundcards found...

!!Amixer output
!!-------------


!!Alsactl output
!!--------------

--startcollapse--
--endcollapse--


!!All Loaded Modules
!!------------------

Module
rfcomm
bluetooth
nls_utf8
udf
crc_itu_t
nf_conntrack_ipv6
nf_defrag_ipv6
ip6table_filter
ip6_tables
xt_tcpudp
xt_conntrack
xt_multiport
iptable_mangle
iptable_nat
nf_conntrack_ipv4
nf_defrag_ipv4
nf_nat_ipv4
nf_nat
nf_conntrack
lirc_dev
rc_core
autofs4
dcdbas
dm_multipath
scsi_dh
snd_hwdep
snd_pcm
joydev
snd_page_alloc
snd_seq_midi
snd_seq_midi_event
kvm_intel
snd_rawmidi
kvm
snd_seq
snd_seq_device
snd_timer
snd
soundcore
serio_raw
shpchp
lpc_ich
mac_hid
nfsd
auth_rpcgss
nfs_acl
nfs
lockd
sunrpc
fscache
iptable_filter
ip_tables
x_tables
parport_pc
ppdev
lp
parport
coretemp
btrfs
xor
raid6_pq
libcrc32c
dm_mirror
dm_region_hash
dm_log
hid_generic
usbhid
hid
radeon
psmouse
i2c_algo_bit
ttm
drm_kms_helper
drm
tg3
pata_acpi
ptp
pps_core


!!ALSA/HDA dmesg
!!--------------

[    3.072269] [drm] Connector 0:
[    3.072271] [drm]   HDMI-A-1
[    3.072272] [drm]   HPD1
--
[   19.963571] Buffer I/O error on device sr0, logical block 512
[   20.021340] snd_hda_codec: module verification failed: signature and/or  required key missing - tainting kernel
[   20.021653] snd_hda_codec: Unknown symbol snd_device_disconnect (err 0)
[   20.021972] snd_hda_codec: Unknown symbol snd_device_disconnect (err 0)
[   20.022490] snd_hda_codec: Unknown symbol snd_device_disconnect (err 0)
[   20.022872] snd_hda_codec: Unknown symbol snd_device_disconnect (err 0)
[   20.068209] sr 1:0:0:0: [sr0]