!!################################ !!ALSA Information Script v 0.4.60 !!################################ !!Script ran on: Sun Jul 24 10:21:10 UTC 2011 !!Linux Distribution !!------------------ Fedora release 14 (Laughlin) Fedora release 14 (Laughlin) Fedora release 14 (Laughlin) Fedora release 14 (Laughlin) !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: !!Kernel Information !!------------------ Kernel release: 2.6.35.13-92.fc14.i686 Operating System: GNU/Linux Architecture: i686 Processor: i686 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: 1.0.23 Library version: Utilities version: 1.0.23 !!Loaded ALSA modules !!------------------- snd_intel8x0 easycap !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes aRts: Installed - Yes (/usr/bin/artsd) Running - Yes Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [ICH6 ]: ICH4 - Intel ICH6 Intel ICH6 with ALC655 at irq 17 1 [EasyALSA0 ]: easycapdc60 - easycap_alsa easycap_alsa !!PCI Soundcards installed in the system !!-------------------------------------- 00:1e.2 Multimedia audio controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller (rev 05) !!Advanced information - PCI Vendor/Device/Subsystem ID's !!-------------------------------------------------------- 00:1e.2 0401: 8086:266e (rev 05) Subsystem: 1458:a002 !!Loaded sound module options !!-------------------------- !!Module: snd_intel8x0 ac97_clock : 0 ac97_quirk : (null) buggy_irq : N buggy_semaphore : N enable : N id : (null) index : -1 joystick : 0 spdif_aclink : 0 xbox : N !!Module: easycap bars : 1 debug : 0 gain : 16 !!AC97 Codec information !!--------------------------- --startcollapse-- 0-0/0: Realtek ALC655 rev 0 PCI Subsys Vendor: 0x1458 PCI Subsys Device: 0xa002 Flags: 0 Revision : 0x00 Compat. Class : 0x00 Subsys. Vendor ID: 0xfffc Subsys. ID : 0x10ec Capabilities : DAC resolution : 16-bit ADC resolution : 16-bit 3D enhancement : No 3D Stereo Enhancement Current setup Mic gain : 0dB [ 0dB] POP path : pre 3D Sim. stereo : off 3D enhancement : off Loudness : off Mono output : MIX Mic select : Mic1 ADC/DAC loopback : off Extended ID : codec=0 rev=2 LDAC SDAC CDAC DSA=0 SPDIF Extended status : SPCV LDAC SDAC CDAC SPDIF=10/11 SPDIF SPDIF Control : Consumer PCM Category=0x2 Generation=1 Rate=48kHz 0:00 = 0000 0:02 = 0e0e 0:04 = 0000 0:06 = 000e 0:08 = 0000 0:0a = 801e 0:0c = 801f 0:0e = 801f 0:10 = 9f1f 0:12 = 0808 0:14 = 0000 0:16 = 9f1f 0:18 = 0808 0:1a = 0000 0:1c = 0808 0:1e = 0000 0:20 = 0400 0:22 = 0000 0:24 = 0000 0:26 = 000f 0:28 = 09c4 0:2a = 05f4 0:2c = bb80 0:2e = bb80 0:30 = bb80 0:32 = bb80 0:34 = 0000 0:36 = 0000 0:38 = 0000 0:3a = 2824 0:3c = 0000 0:3e = 0000 0:40 = 0000 0:42 = 0000 0:44 = 0000 0:46 = 0000 0:48 = 0000 0:4a = 0000 0:4c = 0000 0:4e = 0000 0:50 = 0000 0:52 = 0000 0:54 = 0000 0:56 = 0000 0:58 = 0000 0:5a = 0000 0:5c = 0000 0:5e = 0000 0:60 = 0000 0:62 = 0000 0:64 = 0808 0:66 = 0808 0:68 = 0aea 0:6a = 8000 0:6c = 0000 0:6e = 0025 0:70 = 81e0 0:72 = 22e8 0:74 = 8000 0:76 = 0000 0:78 = 0007 0:7a = a092 0:7c = 414c 0:7e = 4760 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 10 Jul 23 15:06 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 12 Jul 24 12:05 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 9 Jul 24 12:06 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 8 Jul 24 12:18 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 7 Jul 23 15:06 /dev/snd/pcmC0D1c crw-rw---- 1 root audio 116, 6 Jul 23 15:06 /dev/snd/pcmC0D2c crw-rw---- 1 root audio 116, 5 Jul 23 15:06 /dev/snd/pcmC0D3c crw-rw---- 1 root audio 116, 4 Jul 23 15:07 /dev/snd/pcmC0D4p crw-rw---- 1 root audio 116, 11 Jul 24 12:05 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 3 Jul 23 15:06 /dev/snd/seq crw-rw---- 1 root audio 116, 2 Jul 23 15:06 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Jul 24 12:05 . drwxr-xr-x 3 root root 280 Jul 24 12:05 .. lrwxrwxrwx 1 root root 12 Jul 24 12:05 pci-0000:00:1d.7 -> ../controlC1 lrwxrwxrwx 1 root root 12 Jul 23 15:06 pci-0000:00:1e.2 -> ../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 **** List of PLAYBACK Hardware Devices **** card 0: ICH6 [Intel ICH6], device 0: Intel ICH [Intel ICH6] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: ICH6 [Intel ICH6], device 4: Intel ICH - IEC958 [Intel ICH6 - IEC958] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: ICH6 [Intel ICH6], device 0: Intel ICH [Intel ICH6] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: ICH6 [Intel ICH6], device 1: Intel ICH - MIC ADC [Intel ICH6 - MIC ADC] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: ICH6 [Intel ICH6], device 2: Intel ICH - MIC2 ADC [Intel ICH6 - MIC2 ADC] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: ICH6 [Intel ICH6], device 3: Intel ICH - ADC2 [Intel ICH6 - ADC2] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: EasyALSA0 [easycap_alsa], device 0: easycap_pcm [EasyALSA0] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [ICH6] Card hw:0 'ICH6'/'Intel ICH6 with ALC655 at irq 17' Mixer name : 'Realtek ALC655 rev 0' Components : 'AC97a:414c4760' Controls : 41 Simple ctrls : 26 Simple mixer control 'Master',0 Capabilities: pvolume pswitch pswitch-joined penum Playback channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Front Left: Playback 17 [55%] [-21.00dB] [on] Front Right: Playback 17 [55%] [-21.00dB] [on] Simple mixer control 'Master Mono',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum Playback channels: Mono Limits: Playback 0 - 31 Mono: Playback 17 [55%] [-21.00dB] [on] Simple mixer control 'PCM',0 Capabilities: pvolume pswitch pswitch-joined penum Playback channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Front Left: Playback 23 [74%] [0.00dB] [on] Front Right: Playback 23 [74%] [0.00dB] [on] Simple mixer control 'Surround',0 Capabilities: pvolume pswitch penum Playback channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Front Left: Playback 31 [100%] [0.00dB] [on] Front Right: Playback 31 [100%] [0.00dB] [on] Simple mixer control 'Surround Jack Mode',0 Capabilities: enum Items: 'Shared' 'Independent' Item0: 'Shared' Simple mixer control 'Center',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum Playback channels: Mono Limits: Playback 0 - 31 Mono: Playback 31 [100%] [0.00dB] [on] Simple mixer control 'LFE',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum Playback channels: Mono Limits: Playback 0 - 31 Mono: Playback 31 [100%] [0.00dB] [on] Simple mixer control 'Line',0 Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive penum Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Front Left: Playback 0 [0%] [-34.50dB] [off] Capture [off] Front Right: Playback 0 [0%] [-34.50dB] [off] Capture [off] Simple mixer control 'CD',0 Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive penum Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Front Left: Playback 23 [74%] [0.00dB] [on] Capture [off] Front Right: Playback 23 [74%] [0.00dB] [on] Capture [off] Simple mixer control 'Mic',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch cswitch-exclusive penum Capture exclusive group: 0 Playback channels: Mono Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Playback 0 [0%] [-34.50dB] [off] Front Left: Capture [on] Front Right: Capture [on] Simple mixer control 'Mic Boost ( 20dB)',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [off] Simple mixer control 'Mic Select',0 Capabilities: enum Items: 'Mic1' 'Mic2' Item0: 'Mic1' Simple mixer control 'Video',0 Capabilities: cswitch cswitch-exclusive penum Capture exclusive group: 0 Capture channels: Front Left - Front Right Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'Phone',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch cswitch-exclusive penum Capture exclusive group: 0 Playback channels: Mono Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Playback 0 [0%] [-34.50dB] [off] Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined cswitch cswitch-joined penum Playback channels: Mono Capture channels: Mono Mono: Playback [on] Capture [off] Simple mixer control 'IEC958 Playback AC97-SPSA',0 Capabilities: volume volume-joined penum Playback channels: Mono Capture channels: Mono Limits: 0 - 3 Mono: 3 [100%] Simple mixer control 'IEC958 Playback Source',0 Capabilities: enum Items: 'PCM' 'Analog In' 'IEC958 In' Item0: 'PCM' Simple mixer control 'Beep',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum Playback channels: Mono Limits: Playback 0 - 15 Mono: Playback 0 [0%] [-45.00dB] [off] Simple mixer control 'Aux',0 Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive penum Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Front Left: Playback 0 [0%] [-34.50dB] [off] Capture [off] Front Right: Playback 0 [0%] [-34.50dB] [off] Capture [off] Simple mixer control 'Mono Output Select',0 Capabilities: enum Items: 'Mix' 'Mic' Item0: 'Mix' Simple mixer control 'Capture',0 Capabilities: cvolume cswitch cswitch-joined penum Capture channels: Front Left - Front Right Limits: Capture 0 - 15 Front Left: Capture 8 [53%] [12.00dB] [on] Front Right: Capture 8 [53%] [12.00dB] [on] Simple mixer control 'Mix',0 Capabilities: cswitch cswitch-exclusive penum Capture exclusive group: 0 Capture channels: Front Left - Front Right Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'Mix Mono',0 Capabilities: cswitch cswitch-exclusive penum Capture exclusive group: 0 Capture channels: Front Left - Front Right Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'Channel Mode',0 Capabilities: enum Items: '2ch' '4ch' '6ch' Item0: '2ch' Simple mixer control 'Duplicate Front',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [off] Simple mixer control 'External Amplifier',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] !!-------Mixer controls for card 1 [EasyALSA0] Card hw:1 'EasyALSA0'/'easycap_alsa' Mixer name : '' Components : '' Controls : 0 Simple ctrls : 0 !!Alsactl output !!------------- --startcollapse-- state.ICH6 { control.1 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Master Playback Switch' value true } control.2 { comment.access 'read write' comment.type INTEGER comment.count 2 comment.range '0 - 31' comment.dbmin -4650 comment.dbmax 0 iface MIXER name 'Master Playback Volume' value.0 17 value.1 17 } control.3 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Center Playback Switch' value true } control.4 { comment.access 'read write' comment.type INTEGER comment.count 1 comment.range '0 - 31' comment.dbmin -4650 comment.dbmax 0 iface MIXER name 'Center Playback Volume' value 31 } control.5 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'LFE Playback Switch' value true } control.6 { comment.access 'read write' comment.type INTEGER comment.count 1 comment.range '0 - 31' comment.dbmin -4650 comment.dbmax 0 iface MIXER name 'LFE Playback Volume' value 31 } control.7 { comment.access 'read write' comment.type BOOLEAN comment.count 2 iface MIXER name 'Surround Playback Switch' value.0 true value.1 true } control.8 { comment.access 'read write' comment.type INTEGER comment.count 2 comment.range '0 - 31' comment.dbmin -4650 comment.dbmax 0 iface MIXER name 'Surround Playback Volume' value.0 31 value.1 31 } control.9 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Master Mono Playback Switch' value true } control.10 { comment.access 'read write' comment.type INTEGER comment.count 1 comment.range '0 - 31' comment.dbmin -4650 comment.dbmax 0 iface MIXER name 'Master Mono Playback Volume' value 17 } control.11 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Beep Playback Switch' value false } control.12 { comment.access 'read write' comment.type INTEGER comment.count 1 comment.range '0 - 15' comment.dbmin -4500 comment.dbmax 0 iface MIXER name 'Beep Playback Volume' value 0 } control.13 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Phone Playback Switch' value false } control.14 { comment.access 'read write' comment.type INTEGER comment.count 1 comment.range '0 - 31' comment.dbmin -3450 comment.dbmax 1200 iface MIXER name 'Phone Playback Volume' value 0 } control.15 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Mic Playback Switch' value false } control.16 { comment.access 'read write' comment.type INTEGER comment.count 1 comment.range '0 - 31' comment.dbmin -3450 comment.dbmax 1200 iface MIXER name 'Mic Playback Volume' value 0 } control.17 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Mic Boost ( 20dB)' value false } control.18 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Line Playback Switch' value false } control.19 { comment.access 'read write' comment.type INTEGER comment.count 2 comment.range '0 - 31' comment.dbmin -3450 comment.dbmax 1200 iface MIXER name 'Line Playback Volume' value.0 0 value.1 0 } control.20 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'CD Playback Switch' value true } control.21 { comment.access 'read write' comment.type INTEGER comment.count 2 comment.range '0 - 31' comment.dbmin -3450 comment.dbmax 1200 iface MIXER name 'CD Playback Volume' value.0 23 value.1 23 } control.22 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Aux Playback Switch' value false } control.23 { comment.access 'read write' comment.type INTEGER comment.count 2 comment.range '0 - 31' comment.dbmin -3450 comment.dbmax 1200 iface MIXER name 'Aux Playback Volume' value.0 0 value.1 0 } control.24 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'PCM Playback Switch' value true } control.25 { comment.access 'read write' comment.type INTEGER comment.count 2 comment.range '0 - 31' comment.dbmin -3450 comment.dbmax 1200 iface MIXER name 'PCM Playback Volume' value.0 23 value.1 23 } control.26 { comment.access 'read write' comment.type ENUMERATED comment.count 2 comment.item.0 Mic comment.item.1 CD comment.item.2 Video comment.item.3 Aux comment.item.4 Line comment.item.5 Mix comment.item.6 'Mix Mono' comment.item.7 Phone iface MIXER name 'Capture Source' value.0 Mic value.1 Mic } control.27 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Capture Switch' value true } control.28 { comment.access 'read write' comment.type INTEGER comment.count 2 comment.range '0 - 15' comment.dbmin 0 comment.dbmax 2250 iface MIXER name 'Capture Volume' value.0 8 value.1 8 } control.29 { comment.access 'read write' comment.type ENUMERATED comment.count 1 comment.item.0 Mix comment.item.1 Mic iface MIXER name 'Mono Output Select' value Mix } control.30 { comment.access 'read write' comment.type ENUMERATED comment.count 1 comment.item.0 Mic1 comment.item.1 Mic2 iface MIXER name 'Mic Select' value Mic1 } control.31 { comment.access read comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Con Mask' value '0fff000f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.32 { comment.access read comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Pro Mask' value cf00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 } control.33 { comment.access 'read write' comment.type IEC958 comment.count 1 iface MIXER name 'IEC958 Playback Default' value '0082000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' } control.34 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'IEC958 Playback Switch' value true } control.35 { comment.access 'read write' comment.type INTEGER comment.count 1 comment.range '0 - 3' iface MIXER name 'IEC958 Playback AC97-SPSA' value 3 } control.36 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'Duplicate Front' value false } control.37 { comment.access 'read write' comment.type ENUMERATED comment.count 1 comment.item.0 Shared comment.item.1 Independent iface MIXER name 'Surround Jack Mode' value Shared } control.38 { comment.access 'read write' comment.type ENUMERATED comment.count 1 comment.item.0 '2ch' comment.item.1 '4ch' comment.item.2 '6ch' iface MIXER name 'Channel Mode' value '2ch' } control.39 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'IEC958 Capture Switch' value false } control.40 { comment.access 'read write' comment.type ENUMERATED comment.count 1 comment.item.0 PCM comment.item.1 'Analog In' comment.item.2 'IEC958 In' iface MIXER name 'IEC958 Playback Source' value PCM } control.41 { comment.access 'read write' comment.type BOOLEAN comment.count 1 iface MIXER name 'External Amplifier' value true } } state.EasyALSA0 { control { } } --endcollapse-- !!All Loaded Modules !!------------------ Module easycap videodev snd_hwdep snd_usbmidi_lib snd_rawmidi aes_i586 aes_generic tcp_lp sunrpc p4_clockmod ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_tftp ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipv6 uinput arc4 ecb rt61pci crc_itu_t rt2x00pci rt2x00lib mac80211 snd_intel8x0 ftdi_sio snd_ac97_codec usbserial 8139too cfg80211 ac97_bus ppdev snd_seq rfkill snd_seq_device snd_pcm parport_pc 8139cp nvidia microcode parport eeprom_93cx6 mii iTCO_wdt snd_timer iTCO_vendor_support i2c_i801 snd soundcore i2c_core snd_page_alloc !!ALSA/HDA dmesg !!------------------ [ 9180.992982] easycap::0easycap_usb_probe: audio hardware is microphone [ 9180.993578] easycap::0easycap_alsa_probe: registered EasyALSA0 [ 9180.993583] easycap::0easycap_usb_probe: ends successfully for interface 2 -- [ 9181.671947] easycap::0audio_setup: 0x0000:0x0000 is audio vendor id [ 9181.787247] ALSA sound/core/pcm_lib.c:318: BUG: pcmC1D0c:0, pos = -16, buffer size = 131072, period size = 4096 [ 9181.789373] ALSA sound/core/pcm_lib.c:318: BUG: pcmC1D0c:0, pos = -16, buffer size = 131072, period size = 4096 [ 9181.789404] ALSA sound/core/pcm_lib.c:318: BUG: pcmC1D0c:0, pos = -16, buffer size = 131072, period size = 4096 [ 9181.789518] ALSA sound/core/pcm_lib.c:318: BUG: pcmC1D0c:0, pos = -16, buffer size = 131072, period size = 4096 [ 9181.789540] ALSA sound/core/pcm_lib.c:318: BUG: pcmC1D0c:0, pos = -16, buffer size = 131072, period size = 4096 [ 9181.789646] ALSA sound/core/pcm_lib.c:318: BUG: pcmC1D0c:0, pos = -16, buffer size = 131072, period size = 4096 [ 9181.789670] ALSA sound/core/pcm_lib.c:318: BUG: pcmC1D0c:0, pos = -16, buffer size = 131072, period size = 4096 [ 9181.789765] ALSA sound/core/pcm_lib.c:318: BUG: pcmC1D0c:0, pos = -16, buffer size = 131072, period size = 4096 [ 9181.789786] ALSA sound/core/pcm_lib.c:318: BUG: pcmC1D0c:0, pos = -16, buffer size = 131072, period size = 4096 [ 9196.888874] easycap:: easycap_open: ==========OPEN=========