!!################################ !!ALSA Information Script v 0.4.61 !!################################ !!Script ran on: Tue Jul 31 06:52:53 UTC 2012 !!Linux Distribution !!------------------ CentOS release 6.2 (Final) CentOS release 6.2 (Final) CentOS release 6.2 (Final) CentOS release 6.2 (Final) !!DMI Information !!--------------- Manufacturer: Microsoft Corporation Product Name: Virtual Machine Product Version: 7.0 Firmware Version: 090004 !!Kernel Information !!------------------ Kernel release: 2.6.32-220.17.1.el6.x86_64 Operating System: GNU/Linux Architecture: x86_64 Processor: x86_64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: 1.0.21 Library version: 1.0.22 Utilities version: 1.0.23 !!Loaded ALSA modules !!------------------- snd_dummy !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [Dummy ]: Dummy - Dummy Dummy 1 !!PCI Soundcards installed in the system !!-------------------------------------- !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- !!Loaded sound module options !!--------------------------- !!Module: snd_dummy enable : Y,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N fake_buffer : Y hrtimer : Y id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) index : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 pcm_devs : 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 pcm_substreams : 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 !!ALSA Device nodes !!----------------- crw-rw----. 1 root audio 116, 6 Jul 30 17:41 /dev/snd/controlC0 crw-rw----. 1 root audio 116, 5 Jul 30 17:41 /dev/snd/pcmC0D0c crw-rw----. 1 root audio 116, 4 Jul 30 17:42 /dev/snd/pcmC0D0p crw-rw----. 1 root audio 116, 3 Jul 30 17:41 /dev/snd/seq crw-rw----. 1 root audio 116, 2 Jul 30 17:41 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x. 2 root root 60 Jul 30 17:41 . drwxr-xr-x. 3 root root 160 Jul 30 17:41 .. lrwxrwxrwx. 1 root root 12 Jul 30 17:41 platform-snd_dummy.0 -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) # # Place your global alsa-lib configuration here... # @hooks [ { func load files [ "/etc/alsa/pulse-default.conf" ] errors false } ] !!Aplay/Arecord output !!-------------------- APLAY aplay: device_list:244: no soundcards found... ARECORD arecord: device_list:244: no soundcards found... !!Amixer output !!------------- !!-------Mixer controls for card 0 [Dummy] Invalid card number. Usage: amixer [command] Available options: -h,--help this help -c,--card N select the card -D,--device N select the device, default 'default' -d,--debug debug mode -n,--nocheck do not perform range checking -v,--version print version of this program -q,--quiet be quiet -i,--inactive show also inactive controls -a,--abstract L select abstraction level (none or basic) -s,--stdin Read and execute commands from stdin sequentially Available commands: scontrols show all mixer simple controls scontents show contents of all mixer simple controls (default command) sset sID P set contents for one mixer simple control sget sID get contents for one mixer simple control controls show all controls for given card contents show contents of all controls for given card cset cID P set control contents for one control cget cID get control contents for one control Invalid card number. Usage: amixer [command] Available options: -h,--help this help -c,--card N select the card -D,--device N select the device, default 'default' -d,--debug debug mode -n,--nocheck do not perform range checking -v,--version print version of this program -q,--quiet be quiet -i,--inactive show also inactive controls -a,--abstract L select abstraction level (none or basic) -s,--stdin Read and execute commands from stdin sequentially Available commands: scontrols show all mixer simple controls scontents show contents of all mixer simple controls (default command) sset sID P set contents for one mixer simple control sget sID get contents for one mixer simple control controls show all controls for given card contents show contents of all controls for given card cset cID P set control contents for one control cget cID get control contents for one control !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ Module snd_dummy snd_seq snd_seq_device snd_pcm snd_timer snd_page_alloc snd soundcore bridge stp llc sunrpc ipv6 sg hv_netvsc hv_utils hv_mouse microcode hv_timesource i2c_piix4 i2c_core ext4 mbcache jbd2 sd_mod crc_t10dif pata_acpi ata_generic hv_storvsc hv_vmbus dm_mirror dm_region_hash dm_log dm_mod !!ALSA/HDA dmesg !!--------------