После переустановки 16 с нуля со своим home и переустановки с дефолтным - результат остался таким же. Видимо проблема где-то в ядре или около него. Альтернативно попробовал Мате и Дебиан гноме, которые в принципе очень даже удобны. Но некоторые мелочи, крайне бесят.
В общем пока откатился до 14.04. Звук работает.
Тему думаю пока закрывать не стоит т.к. аналогичная проблема может появиться и у других.
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller (rev 09)
Subsystem: Biostar Microtech Int'l Corp Device 310b
Flags: bus master, fast devsel, latency 0
Capabilities: <access denied>
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port (rev 09) (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: 0000e000-0000efff
Memory behind bridge: f6000000-f70fffff
Prefetchable memory behind bridge: 00000000e8000000-00000000f1ffffff
Capabilities: <access denied>
Kernel driver in use: pcieport
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
Subsystem: Biostar Microtech Int'l Corp Device 310b
Flags: bus master, fast devsel, latency 0, IRQ 41
Memory at f7209000 (64-bit, non-prefetchable) [size=16]
Capabilities: <access denied>
Kernel driver in use: mei_me
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05) (prog-if 20 [EHCI])
Subsystem: Biostar Microtech Int'l Corp Device 310b
Flags: bus master, medium devsel, latency 0, IRQ 16
Memory at f7207000 (32-bit, non-prefetchable) [size=1K]
Capabilities: <access denied>
Kernel driver in use: ehci-pci
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05)
Subsystem: Biostar Microtech Int'l Corp Device 8110
Flags: bus master, fast devsel, latency 0, IRQ 42
Memory at f7200000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
Capabilities: <access denied>
Kernel driver in use: pcieport
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b5) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
I/O behind bridge: 0000d000-0000dfff
Memory behind bridge: f7100000-f71fffff
Capabilities: <access denied>
Kernel driver in use: pcieport
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05) (prog-if 20 [EHCI])
Subsystem: Biostar Microtech Int'l Corp Device 310b
Flags: bus master, medium devsel, latency 0, IRQ 23
Memory at f7206000 (32-bit, non-prefetchable) [size=1K]
Capabilities: <access denied>
Kernel driver in use: ehci-pci
00:1f.0 ISA bridge: Intel Corporation H61 Express Chipset Family LPC Controller (rev 05)
Subsystem: Biostar Microtech Int'l Corp Device 310b
Flags: bus master, medium devsel, latency 0
Capabilities: <access denied>
Kernel driver in use: lpc_ich
00:1f.2 IDE interface: Intel Corporation 6 Series/C200 Series Chipset Family 4 port SATA IDE Controller (rev 05) (prog-if 8f [Master SecP SecO PriP PriO])
Subsystem: Biostar Microtech Int'l Corp Device 520a
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 19
I/O ports at f0d0 [size=8]
I/O ports at f0c0
I/O ports at f0b0 [size=8]
I/O ports at f0a0
I/O ports at f090 [size=16]
I/O ports at f080 [size=16]
Capabilities: <access denied>
Kernel driver in use: ata_piix
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05)
Subsystem: Biostar Microtech Int'l Corp Device 310b
Flags: medium devsel, IRQ 11
Memory at f7205000 (64-bit, non-prefetchable) [size=256]
I/O ports at f000 [size=32]
00:1f.5 IDE interface: Intel Corporation 6 Series/C200 Series Chipset Family 2 port SATA IDE Controller (rev 05) (prog-if 85 [Master SecO PriO])
Subsystem: Biostar Microtech Int'l Corp Device 520a
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 19
I/O ports at f070 [size=8]
I/O ports at f060
I/O ports at f050 [size=8]
I/O ports at f040
I/O ports at f030 [size=16]
I/O ports at f020 [size=16]
Capabilities: <access denied>
Kernel driver in use: ata_piix
01:00.0 VGA compatible controller: NVIDIA Corporation GF108 [GeForce GT 630] (rev a1) (prog-if 00 [VGA controller])
Flags: bus master, fast devsel, latency 0, IRQ 44
Memory at f6000000 (32-bit, non-prefetchable) [size=16M]
Memory at e8000000 (64-bit, prefetchable) [size=128M]
Memory at f0000000 (64-bit, prefetchable) [size=32M]
I/O ports at e000 [size=128]
[virtual] Expansion ROM at f7000000 [disabled] [size=512K]
Capabilities: <access denied>
Kernel driver in use: nvidia
01:00.1 Audio device: NVIDIA Corporation GF108 High Definition Audio Controller (rev a1)
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at f7080000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
03:00.0 Ethernet controller: Qualcomm Atheros AR8152 v2.0 Fast Ethernet (rev c1)
Subsystem: Biostar Microtech Int'l Corp Device 2802
Flags: bus master, fast devsel, latency 0, IRQ 43
Memory at f7100000 (64-bit, non-prefetchable) [size=256K]
I/O ports at d000 [size=128]
Capabilities: <access denied>
Kernel driver in use: atl1c