I have a barebone with same audio device and completely same problem. My informations: tail -2 /proc/asound/oss/sndstat: Mixers: 0: Realtek ALC260 amixer: Simple mixer control 'PCM',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 255 Mono: Front Left: Playback 255 [100%] [0.00dB] Front Right: Playback 255 [100%] [0.00dB] Simple mixer control 'Front',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right Limits: Playback 0 - 64 Mono: Front Left: Playback 64 [100%] [0.00dB] [on] Front Right: Playback 64 [100%] [0.00dB] [on] Simple mixer control 'Front Mic',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right Limits: Playback 0 - 65 Mono: Front Left: Playback 65 [100%] [30.00dB] [on] Front Right: Playback 65 [100%] [30.00dB] [on] Simple mixer control 'Line',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right Limits: Playback 0 - 65 Mono: Front Left: Playback 65 [100%] [30.00dB] [on] Front Right: Playback 65 [100%] [30.00dB] [on] Simple mixer control 'Mic',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right Limits: Playback 0 - 65 Mono: Front Left: Playback 65 [100%] [30.00dB] [off] Front Right: Playback 65 [100%] [30.00dB] [off] Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Capture',0 Capabilities: cvolume cswitch Capture channels: Front Left - Front Right Limits: Capture 0 - 35 Front Left: Capture 0 [0%] [0.00dB] [on] Front Right: Capture 0 [0%] [0.00dB] [on] Simple mixer control 'Capture',1 Capabilities: cvolume cswitch Capture channels: Front Left - Front Right Limits: Capture 0 - 35 Front Left: Capture 0 [0%] [0.00dB] [on] Front Right: Capture 0 [0%] [0.00dB] [on] Simple mixer control 'Caller ID',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Input Source',0 Capabilities: enum Items: 'Mic' 'Front Mic' 'Line' Item0: 'Mic' Simple mixer control 'Input Source',1 Capabilities: enum Items: 'Mic' 'Front Mic' 'Line' Item0: 'Mic' Simple mixer control 'Off-hook',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] lspci -nv: 00:00.0 0600: 8086:27a0 (rev 03) Subsystem: 161f:2057 Flags: bus master, fast devsel, latency 0 Capabilities: [e0] Vendor Specific Information 00:01.0 0604: 8086:27a1 (rev 03) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 I/O behind bridge: 00009000-0000bfff Memory behind bridge: fdf00000-fdffffff Prefetchable memory behind bridge: 00000000bdf00000-00000000ddefffff Capabilities: [88] Subsystem: 161f:2057 Capabilities: [80] Power Management version 2 Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable- Capabilities: [a0] Express Root Port (Slot+) IRQ 0 00:1b.0 0403: 8086:27d8 (rev 02) Subsystem: 161f:2057 Flags: bus master, fast devsel, latency 0, IRQ 20 Memory at febfc000 (64-bit, non-prefetchable) [size=16K] Capabilities: [50] Power Management version 2 Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- Capabilities: [70] Express Unknown type IRQ 0 00:1c.0 0604: 8086:27d0 (rev 02) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 I/O behind bridge: 0000c000-0000cfff Memory behind bridge: fe000000-fe0fffff Capabilities: [40] Express Root Port (Slot+) IRQ 0 Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable- Capabilities: [90] Subsystem: 161f:2057 Capabilities: [a0] Power Management version 2 00:1c.1 0604: 8086:27d2 (rev 02) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=03, subordinate=03, sec-latency=0 Memory behind bridge: fe100000-fe1fffff Capabilities: [40] Express Root Port (Slot+) IRQ 0 Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable- Capabilities: [90] Subsystem: 161f:2057 Capabilities: [a0] Power Management version 2 00:1c.2 0604: 8086:27d4 (rev 02) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=04, subordinate=06, sec-latency=0 I/O behind bridge: 0000d000-0000dfff Memory behind bridge: fe200000-fe9fffff Prefetchable memory behind bridge: 00000000ddf00000-00000000dfefffff Capabilities: [40] Express Root Port (Slot+) IRQ 0 Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable- Capabilities: [90] Subsystem: 161f:2057 Capabilities: [a0] Power Management version 2 00:1d.0 0c03: 8086:27c8 (rev 02) (prog-if 00 [UHCI]) Subsystem: 161f:2057 Flags: bus master, medium devsel, latency 0, IRQ 19 I/O ports at ec00 [size=32] 00:1d.1 0c03: 8086:27c9 (rev 02) (prog-if 00 [UHCI]) Subsystem: 161f:2057 Flags: bus master, medium devsel, latency 0, IRQ 20 I/O ports at e880 [size=32] 00:1d.2 0c03: 8086:27ca (rev 02) (prog-if 00 [UHCI]) Subsystem: 161f:2057 Flags: bus master, medium devsel, latency 0, IRQ 18 I/O ports at e800 [size=32] 00:1d.3 0c03: 8086:27cb (rev 02) (prog-if 00 [UHCI]) Subsystem: 161f:2057 Flags: bus master, medium devsel, latency 0, IRQ 16 I/O ports at e480 [size=32] 00:1d.7 0c03: 8086:27cc (rev 02) (prog-if 20 [EHCI]) Subsystem: 161f:2057 Flags: bus master, medium devsel, latency 0, IRQ 19 Memory at febfbc00 (32-bit, non-prefetchable) [size=1K] Capabilities: [50] Power Management version 2 Capabilities: [58] Debug port 00:1e.0 0604: 8086:2448 (rev e2) (prog-if 01 [Subtractive decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=07, subordinate=07, sec-latency=32 Memory behind bridge: fea00000-feafffff Capabilities: [50] Subsystem: 161f:2057 00:1f.0 0601: 8086:27b9 (rev 02) Subsystem: 161f:2057 Flags: bus master, medium devsel, latency 0 Capabilities: [e0] Vendor Specific Information 00:1f.2 0101: 8086:27c4 (rev 02) (prog-if 80 [Master]) Subsystem: 161f:2057 Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 20 I/O ports at 01f0 [size=8] I/O ports at 03f4 [size=1] I/O ports at 0170 [size=8] I/O ports at 0374 [size=1] I/O ports at ffa0 [size=16] Capabilities: [70] Power Management version 2 01:00.0 0300: 1002:71c5 (prog-if 00 [VGA]) Subsystem: 161f:2057 Flags: bus master, fast devsel, latency 0, IRQ 3 Memory at c0000000 (32-bit, prefetchable) [size=256M] I/O ports at b000 [size=256] Memory at fdff0000 (32-bit, non-prefetchable) [size=64K] Expansion ROM at fdfc0000 [disabled] [size=128K] Capabilities: [50] Power Management version 2 Capabilities: [58] Express Legacy Endpoint IRQ 0 Capabilities: [80] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- 02:00.0 0200: 11ab:4363 (rev 12) Subsystem: 161f:2054 Flags: bus master, fast devsel, latency 0, IRQ 16 Memory at fe0fc000 (64-bit, non-prefetchable) [size=16K] I/O ports at c800 [size=256] Expansion ROM at fe0c0000 [disabled] [size=128K] Capabilities: [48] Power Management version 3 Capabilities: [50] Vital Product Data Capabilities: [5c] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- Capabilities: [e0] Express Legacy Endpoint IRQ 0 03:00.0 0280: 8086:4222 (rev 02) Subsystem: 8086:1001 Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at fe1ff000 (32-bit, non-prefetchable) [size=4K] Capabilities: [c8] Power Management version 2 Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- Capabilities: [e0] Express Legacy Endpoint IRQ 0 07:07.0 0c00: 1180:0832 (prog-if 10 [OHCI]) Subsystem: 161f:2057 Flags: bus master, medium devsel, latency 64, IRQ 18 Memory at feaff800 (32-bit, non-prefetchable) [size=2K] Capabilities: [dc] Power Management version 2 07:07.1 0805: 1180:0822 (rev 19) Subsystem: 161f:2057 Flags: bus master, medium devsel, latency 64, IRQ 17 Memory at feaff400 (32-bit, non-prefetchable) [size=256] Capabilities: [80] Power Management version 2 07:07.2 0880: 1180:0843 (rev 01) Subsystem: 161f:2057 Flags: bus master, medium devsel, latency 0, IRQ 4 Memory at feaff000 (32-bit, non-prefetchable) [size=256] Capabilities: [80] Power Management version 2 07:07.3 0880: 1180:0592 (rev 0a) Subsystem: 161f:2057 Flags: medium devsel, IRQ 4 Memory at feafec00 (32-bit, non-prefetchable) [size=256] Capabilities: [80] Power Management version 2 asoundconf list: Names of available sound cards: Intel cat /proc/interrupts: CPU0 CPU1 0: 439343 0 IO-APIC-edge timer 1: 2366 0 IO-APIC-edge i8042 8: 3 0 IO-APIC-edge rtc 9: 411 0 IO-APIC-fasteoi acpi 12: 7948 0 IO-APIC-edge i8042 14: 12551 8908 IO-APIC-edge libata 15: 18807 0 IO-APIC-edge libata 16: 9589 0 IO-APIC-fasteoi uhci_hcd:usb5, eth0 17: 7 0 IO-APIC-fasteoi sdhci:slot0, ipw3945 18: 3 0 IO-APIC-fasteoi uhci_hcd:usb4, ohci1394 19: 2 0 IO-APIC-fasteoi ehci_hcd:usb1, uhci_hcd:usb2 20: 66446 0 IO-APIC-fasteoi uhci_hcd:usb3, HDA Intel NMI: 0 0 LOC: 439190 439189 ERR: 0 MIS: 0 I hope those infos are enough.