Scarlett 6i6 not working

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RockHopper
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Posts: 142
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Scarlett 6i6 not working

Postby RockHopper » Sat Jan 27, 2018 3:43 pm

Hi everyone,

I bought a Scarlett 6i6 (1st gen) over a year ago but for various reasons haven't had a chance to actually sit down and use it until now.

Unfortunately I'm not having much luck getting the 6i6 working on Linux, though it works fine on Windows. The messages from QjackCtl state that ALSA cannot set hardware parameters for playback. I've tried on KXStudio 14.04 using the 4.4.0-111-lowlatency kernel and on AVLinux 2017 using the 4.9.76-rt61avl2 (real-time) kernel.

Should these devices simply be plug-and-play or is there an extra step involved in getting them working?

Here are the JACK messages from Cadence Logs:
Sat Jan 27 15:21:25 2018: ------------------
Sat Jan 27 15:21:25 2018: Controller activated. Version 1.9.12 (unknown) built on Thu Dec 21 16:15:19 2017
Sat Jan 27 15:21:25 2018: Loading settings from "/home/spidermonkey/.config/jack/conf.xml" using expat_2.1.0 ...
Sat Jan 27 15:21:25 2018: setting parameter 'engine':'driver':'(null)' to value "alsa"
Sat Jan 27 15:21:25 2018: setting parameter 'engine':'realtime':'(null)' to value "true"
Sat Jan 27 15:21:25 2018: setting parameter 'engine':'realtime-priority':'(null)' to value "85"
Sat Jan 27 15:21:25 2018: setting parameter 'drivers':'alsa':'device' to value "hw:USB,0"
Sat Jan 27 15:21:25 2018: setting parameter 'drivers':'alsa':'rate' to value "48000"
Sat Jan 27 15:21:25 2018: setting parameter 'drivers':'alsa':'period' to value "256"
Sat Jan 27 15:21:25 2018: setting parameter 'drivers':'alsa':'nperiods' to value "3"
Sat Jan 27 15:21:25 2018: setting parameter 'drivers':'alsa':'input-latency' to value "0"
Sat Jan 27 15:21:25 2018: setting parameter 'drivers':'alsa':'output-latency' to value "0"
Sat Jan 27 15:21:25 2018: setting parameter 'drivers':'alsa':'hw-alias' to value "true"
Sat Jan 27 15:21:25 2018: Listening for D-Bus messages
Sat Jan 27 15:22:15 2018: Saving settings to "/home/spidermonkey/.config/jack/conf.xml" ...
Sat Jan 27 15:22:59 2018: Starting jack server...
Sat Jan 27 15:22:59 2018: JACK server starting in realtime mode with priority 85
Sat Jan 27 15:22:59 2018: self-connect-mode is "Don't restrict self connect requests"
Sat Jan 27 15:22:59 2018: Acquired audio card Audio3
Sat Jan 27 15:22:59 2018: creating alsa driver ... hw:USB,0|hw:USB,0|256|3|48000|0|0|nomon|swmeter|-|32bit
Sat Jan 27 15:22:59 2018: Using ALSA driver USB-Audio running on card 3 - Focusrite Scarlett 6i6 USB at usb-0000:00:10.0-2, high speed
Sat Jan 27 15:22:59 2018: configuring for 48000Hz, period = 256 frames (5.3 ms), buffer = 3 periods
Sat Jan 27 15:22:59 2018: ALSA: final selected sample format for capture: 32bit integer little-endian
Sat Jan 27 15:22:59 2018: ALSA: use 3 periods for capture
Sat Jan 27 15:22:59 2018: ALSA: final selected sample format for playback: 32bit integer little-endian
Sat Jan 27 15:22:59 2018: ALSA: use 3 periods for playback
Sat Jan 27 15:22:59 2018: ERROR: ALSA: cannot set hardware parameters for playback
Sat Jan 27 15:22:59 2018: ERROR: ALSA: cannot configure playback channel
Sat Jan 27 15:22:59 2018: Released audio card Audio3
Sat Jan 27 15:22:59 2018: ERROR: Cannot initialize driver
Sat Jan 27 15:22:59 2018: ERROR: JackServer::Open failed with -1
Sat Jan 27 15:22:59 2018: ERROR: Failed to open server

tseaver
Established Member
Posts: 24
Joined: Mon Mar 13, 2017 6:07 am

Re: Scarlett 6i6 not working

Postby tseaver » Sun Jan 28, 2018 11:00 am

Can you shut down Cadence / JACK and try poking at it via ALSA? E.g. for my 1st-gen 18i20:

Code: Select all

 $ amixer -c USB controls
numid=7,iface=MIXER,name='Master 1 (Monitor) Playback Switch'
numid=8,iface=MIXER,name='Master 1 (Monitor) Playback Volume'
...
numid=2,iface=MIXER,name='S/PDIF Validity'
numid=227,iface=MIXER,name='Sample Clock Source'
numid=228,iface=MIXER,name='Sample Clock Sync Status'
numid=4,iface=MIXER,name='Scarlett 18i20 USB-Sync'

Ubuntu, Mixbus32C; acoustic blues / country / jazz

RockHopper
Established Member
Posts: 142
Joined: Thu Apr 18, 2013 3:19 pm
Contact:

Re: Scarlett 6i6 not working

Postby RockHopper » Sun Jan 28, 2018 2:26 pm

Hi tseaver,

OK, here's what I got:

Code: Select all

$ amixer -c USB controls
numid=6,iface=MIXER,name='Master 1 (Monitor) Playback Switch'
numid=7,iface=MIXER,name='Master 1 (Monitor) Playback Volume'
numid=8,iface=MIXER,name='Master 1L (Monitor) Source Playback Enum'
numid=9,iface=MIXER,name='Master 1R (Monitor) Source Playback Enum'
numid=10,iface=MIXER,name='Master 2 (Headphone) Playback Switch'
numid=11,iface=MIXER,name='Master 2 (Headphone) Playback Volume'
numid=12,iface=MIXER,name='Master 2L (Headphone) Source Playback Enum'
numid=13,iface=MIXER,name='Master 2R (Headphone) Source Playback Enum'
numid=14,iface=MIXER,name='Master 3 (SPDIF) Playback Switch'
numid=15,iface=MIXER,name='Master 3 (SPDIF) Playback Volume'
numid=16,iface=MIXER,name='Master 3L (SPDIF) Source Playback Enum'
numid=17,iface=MIXER,name='Master 3R (SPDIF) Source Playback Enum'
numid=4,iface=MIXER,name='Master Playback Switch'
numid=5,iface=MIXER,name='Master Playback Volume'
numid=18,iface=MIXER,name='Input 1 Impedance Switch'
numid=19,iface=MIXER,name='Input 1 Pad Switch'
numid=20,iface=MIXER,name='Input 2 Impedance Switch'
numid=21,iface=MIXER,name='Input 2 Pad Switch'
numid=22,iface=MIXER,name='Input 3 Pad Switch'
numid=23,iface=MIXER,name='Input 4 Pad Switch'
numid=186,iface=MIXER,name='Input Source 01 Capture Route'
numid=187,iface=MIXER,name='Input Source 02 Capture Route'
numid=188,iface=MIXER,name='Input Source 03 Capture Route'
numid=189,iface=MIXER,name='Input Source 04 Capture Route'
numid=190,iface=MIXER,name='Input Source 05 Capture Route'
numid=191,iface=MIXER,name='Input Source 06 Capture Route'
numid=24,iface=MIXER,name='Matrix 01 Input Playback Route'
numid=25,iface=MIXER,name='Matrix 01 Mix A Playback Volume'
numid=26,iface=MIXER,name='Matrix 01 Mix B Playback Volume'
numid=27,iface=MIXER,name='Matrix 01 Mix C Playback Volume'
numid=28,iface=MIXER,name='Matrix 01 Mix D Playback Volume'
numid=29,iface=MIXER,name='Matrix 01 Mix E Playback Volume'
numid=30,iface=MIXER,name='Matrix 01 Mix F Playback Volume'
numid=31,iface=MIXER,name='Matrix 01 Mix G Playback Volume'
numid=32,iface=MIXER,name='Matrix 01 Mix H Playback Volume'
numid=33,iface=MIXER,name='Matrix 02 Input Playback Route'
numid=34,iface=MIXER,name='Matrix 02 Mix A Playback Volume'
numid=35,iface=MIXER,name='Matrix 02 Mix B Playback Volume'
numid=36,iface=MIXER,name='Matrix 02 Mix C Playback Volume'
numid=37,iface=MIXER,name='Matrix 02 Mix D Playback Volume'
numid=38,iface=MIXER,name='Matrix 02 Mix E Playback Volume'
numid=39,iface=MIXER,name='Matrix 02 Mix F Playback Volume'
numid=40,iface=MIXER,name='Matrix 02 Mix G Playback Volume'
numid=41,iface=MIXER,name='Matrix 02 Mix H Playback Volume'
numid=42,iface=MIXER,name='Matrix 03 Input Playback Route'
numid=43,iface=MIXER,name='Matrix 03 Mix A Playback Volume'
numid=44,iface=MIXER,name='Matrix 03 Mix B Playback Volume'
numid=45,iface=MIXER,name='Matrix 03 Mix C Playback Volume'
numid=46,iface=MIXER,name='Matrix 03 Mix D Playback Volume'
numid=47,iface=MIXER,name='Matrix 03 Mix E Playback Volume'
numid=48,iface=MIXER,name='Matrix 03 Mix F Playback Volume'
numid=49,iface=MIXER,name='Matrix 03 Mix G Playback Volume'
numid=50,iface=MIXER,name='Matrix 03 Mix H Playback Volume'
numid=51,iface=MIXER,name='Matrix 04 Input Playback Route'
numid=52,iface=MIXER,name='Matrix 04 Mix A Playback Volume'
numid=53,iface=MIXER,name='Matrix 04 Mix B Playback Volume'
numid=54,iface=MIXER,name='Matrix 04 Mix C Playback Volume'
numid=55,iface=MIXER,name='Matrix 04 Mix D Playback Volume'
numid=56,iface=MIXER,name='Matrix 04 Mix E Playback Volume'
numid=57,iface=MIXER,name='Matrix 04 Mix F Playback Volume'
numid=58,iface=MIXER,name='Matrix 04 Mix G Playback Volume'
numid=59,iface=MIXER,name='Matrix 04 Mix H Playback Volume'
numid=60,iface=MIXER,name='Matrix 05 Input Playback Route'
numid=61,iface=MIXER,name='Matrix 05 Mix A Playback Volume'
numid=62,iface=MIXER,name='Matrix 05 Mix B Playback Volume'
numid=63,iface=MIXER,name='Matrix 05 Mix C Playback Volume'
numid=64,iface=MIXER,name='Matrix 05 Mix D Playback Volume'
numid=65,iface=MIXER,name='Matrix 05 Mix E Playback Volume'
numid=66,iface=MIXER,name='Matrix 05 Mix F Playback Volume'
numid=67,iface=MIXER,name='Matrix 05 Mix G Playback Volume'
numid=68,iface=MIXER,name='Matrix 05 Mix H Playback Volume'
numid=69,iface=MIXER,name='Matrix 06 Input Playback Route'
numid=70,iface=MIXER,name='Matrix 06 Mix A Playback Volume'
numid=71,iface=MIXER,name='Matrix 06 Mix B Playback Volume'
numid=72,iface=MIXER,name='Matrix 06 Mix C Playback Volume'
numid=73,iface=MIXER,name='Matrix 06 Mix D Playback Volume'
numid=74,iface=MIXER,name='Matrix 06 Mix E Playback Volume'
numid=75,iface=MIXER,name='Matrix 06 Mix F Playback Volume'
numid=76,iface=MIXER,name='Matrix 06 Mix G Playback Volume'
numid=77,iface=MIXER,name='Matrix 06 Mix H Playback Volume'
numid=78,iface=MIXER,name='Matrix 07 Input Playback Route'
numid=79,iface=MIXER,name='Matrix 07 Mix A Playback Volume'
numid=80,iface=MIXER,name='Matrix 07 Mix B Playback Volume'
numid=81,iface=MIXER,name='Matrix 07 Mix C Playback Volume'
numid=82,iface=MIXER,name='Matrix 07 Mix D Playback Volume'
numid=83,iface=MIXER,name='Matrix 07 Mix E Playback Volume'
numid=84,iface=MIXER,name='Matrix 07 Mix F Playback Volume'
numid=85,iface=MIXER,name='Matrix 07 Mix G Playback Volume'
numid=86,iface=MIXER,name='Matrix 07 Mix H Playback Volume'
numid=87,iface=MIXER,name='Matrix 08 Input Playback Route'
numid=88,iface=MIXER,name='Matrix 08 Mix A Playback Volume'
numid=89,iface=MIXER,name='Matrix 08 Mix B Playback Volume'
numid=90,iface=MIXER,name='Matrix 08 Mix C Playback Volume'
numid=91,iface=MIXER,name='Matrix 08 Mix D Playback Volume'
numid=92,iface=MIXER,name='Matrix 08 Mix E Playback Volume'
numid=93,iface=MIXER,name='Matrix 08 Mix F Playback Volume'
numid=94,iface=MIXER,name='Matrix 08 Mix G Playback Volume'
numid=95,iface=MIXER,name='Matrix 08 Mix H Playback Volume'
numid=96,iface=MIXER,name='Matrix 09 Input Playback Route'
numid=97,iface=MIXER,name='Matrix 09 Mix A Playback Volume'
numid=98,iface=MIXER,name='Matrix 09 Mix B Playback Volume'
numid=99,iface=MIXER,name='Matrix 09 Mix C Playback Volume'
numid=100,iface=MIXER,name='Matrix 09 Mix D Playback Volume'
numid=101,iface=MIXER,name='Matrix 09 Mix E Playback Volume'
numid=102,iface=MIXER,name='Matrix 09 Mix F Playback Volume'
numid=103,iface=MIXER,name='Matrix 09 Mix G Playback Volume'
numid=104,iface=MIXER,name='Matrix 09 Mix H Playback Volume'
numid=105,iface=MIXER,name='Matrix 10 Input Playback Route'
numid=106,iface=MIXER,name='Matrix 10 Mix A Playback Volume'
numid=107,iface=MIXER,name='Matrix 10 Mix B Playback Volume'
numid=108,iface=MIXER,name='Matrix 10 Mix C Playback Volume'
numid=109,iface=MIXER,name='Matrix 10 Mix D Playback Volume'
numid=110,iface=MIXER,name='Matrix 10 Mix E Playback Volume'
numid=111,iface=MIXER,name='Matrix 10 Mix F Playback Volume'
numid=112,iface=MIXER,name='Matrix 10 Mix G Playback Volume'
numid=113,iface=MIXER,name='Matrix 10 Mix H Playback Volume'
numid=114,iface=MIXER,name='Matrix 11 Input Playback Route'
numid=115,iface=MIXER,name='Matrix 11 Mix A Playback Volume'
numid=116,iface=MIXER,name='Matrix 11 Mix B Playback Volume'
numid=117,iface=MIXER,name='Matrix 11 Mix C Playback Volume'
numid=118,iface=MIXER,name='Matrix 11 Mix D Playback Volume'
numid=119,iface=MIXER,name='Matrix 11 Mix E Playback Volume'
numid=120,iface=MIXER,name='Matrix 11 Mix F Playback Volume'
numid=121,iface=MIXER,name='Matrix 11 Mix G Playback Volume'
numid=122,iface=MIXER,name='Matrix 11 Mix H Playback Volume'
numid=123,iface=MIXER,name='Matrix 12 Input Playback Route'
numid=124,iface=MIXER,name='Matrix 12 Mix A Playback Volume'
numid=125,iface=MIXER,name='Matrix 12 Mix B Playback Volume'
numid=126,iface=MIXER,name='Matrix 12 Mix C Playback Volume'
numid=127,iface=MIXER,name='Matrix 12 Mix D Playback Volume'
numid=128,iface=MIXER,name='Matrix 12 Mix E Playback Volume'
numid=129,iface=MIXER,name='Matrix 12 Mix F Playback Volume'
numid=130,iface=MIXER,name='Matrix 12 Mix G Playback Volume'
numid=131,iface=MIXER,name='Matrix 12 Mix H Playback Volume'
numid=132,iface=MIXER,name='Matrix 13 Input Playback Route'
numid=133,iface=MIXER,name='Matrix 13 Mix A Playback Volume'
numid=134,iface=MIXER,name='Matrix 13 Mix B Playback Volume'
numid=135,iface=MIXER,name='Matrix 13 Mix C Playback Volume'
numid=136,iface=MIXER,name='Matrix 13 Mix D Playback Volume'
numid=137,iface=MIXER,name='Matrix 13 Mix E Playback Volume'
numid=138,iface=MIXER,name='Matrix 13 Mix F Playback Volume'
numid=139,iface=MIXER,name='Matrix 13 Mix G Playback Volume'
numid=140,iface=MIXER,name='Matrix 13 Mix H Playback Volume'
numid=141,iface=MIXER,name='Matrix 14 Input Playback Route'
numid=142,iface=MIXER,name='Matrix 14 Mix A Playback Volume'
numid=143,iface=MIXER,name='Matrix 14 Mix B Playback Volume'
numid=144,iface=MIXER,name='Matrix 14 Mix C Playback Volume'
numid=145,iface=MIXER,name='Matrix 14 Mix D Playback Volume'
numid=146,iface=MIXER,name='Matrix 14 Mix E Playback Volume'
numid=147,iface=MIXER,name='Matrix 14 Mix F Playback Volume'
numid=148,iface=MIXER,name='Matrix 14 Mix G Playback Volume'
numid=149,iface=MIXER,name='Matrix 14 Mix H Playback Volume'
numid=150,iface=MIXER,name='Matrix 15 Input Playback Route'
numid=151,iface=MIXER,name='Matrix 15 Mix A Playback Volume'
numid=152,iface=MIXER,name='Matrix 15 Mix B Playback Volume'
numid=153,iface=MIXER,name='Matrix 15 Mix C Playback Volume'
numid=154,iface=MIXER,name='Matrix 15 Mix D Playback Volume'
numid=155,iface=MIXER,name='Matrix 15 Mix E Playback Volume'
numid=156,iface=MIXER,name='Matrix 15 Mix F Playback Volume'
numid=157,iface=MIXER,name='Matrix 15 Mix G Playback Volume'
numid=158,iface=MIXER,name='Matrix 15 Mix H Playback Volume'
numid=159,iface=MIXER,name='Matrix 16 Input Playback Route'
numid=160,iface=MIXER,name='Matrix 16 Mix A Playback Volume'
numid=161,iface=MIXER,name='Matrix 16 Mix B Playback Volume'
numid=162,iface=MIXER,name='Matrix 16 Mix C Playback Volume'
numid=163,iface=MIXER,name='Matrix 16 Mix D Playback Volume'
numid=164,iface=MIXER,name='Matrix 16 Mix E Playback Volume'
numid=165,iface=MIXER,name='Matrix 16 Mix F Playback Volume'
numid=166,iface=MIXER,name='Matrix 16 Mix G Playback Volume'
numid=167,iface=MIXER,name='Matrix 16 Mix H Playback Volume'
numid=168,iface=MIXER,name='Matrix 17 Input Playback Route'
numid=169,iface=MIXER,name='Matrix 17 Mix A Playback Volume'
numid=170,iface=MIXER,name='Matrix 17 Mix B Playback Volume'
numid=171,iface=MIXER,name='Matrix 17 Mix C Playback Volume'
numid=172,iface=MIXER,name='Matrix 17 Mix D Playback Volume'
numid=173,iface=MIXER,name='Matrix 17 Mix E Playback Volume'
numid=174,iface=MIXER,name='Matrix 17 Mix F Playback Volume'
numid=175,iface=MIXER,name='Matrix 17 Mix G Playback Volume'
numid=176,iface=MIXER,name='Matrix 17 Mix H Playback Volume'
numid=177,iface=MIXER,name='Matrix 18 Input Playback Route'
numid=178,iface=MIXER,name='Matrix 18 Mix A Playback Volume'
numid=179,iface=MIXER,name='Matrix 18 Mix B Playback Volume'
numid=180,iface=MIXER,name='Matrix 18 Mix C Playback Volume'
numid=181,iface=MIXER,name='Matrix 18 Mix D Playback Volume'
numid=182,iface=MIXER,name='Matrix 18 Mix E Playback Volume'
numid=183,iface=MIXER,name='Matrix 18 Mix F Playback Volume'
numid=184,iface=MIXER,name='Matrix 18 Mix G Playback Volume'
numid=185,iface=MIXER,name='Matrix 18 Mix H Playback Volume'
numid=192,iface=MIXER,name='Sample Clock Source'
numid=193,iface=MIXER,name='Sample Clock Sync Status'
numid=3,iface=MIXER,name='Scarlett 6i6 USB-Sync'
numid=2,iface=PCM,name='Capture Channel Map'
numid=1,iface=PCM,name='Playback Channel Map'

tseaver
Established Member
Posts: 24
Joined: Mon Mar 13, 2017 6:07 am

Re: Scarlett 6i6 not working

Postby tseaver » Mon Jan 29, 2018 4:35 am

That is actually hopeful: ALSA can see your device and query its parameters. If you run a GUI like 'qasmixer', it should be able to see / set those properties as well.

With JACK still off, can you play music through the card using Rhythmbox / Parole / whatever?
Ubuntu, Mixbus32C; acoustic blues / country / jazz

RockHopper
Established Member
Posts: 142
Joined: Thu Apr 18, 2013 3:19 pm
Contact:

Re: Scarlett 6i6 not working

Postby RockHopper » Sat Feb 03, 2018 10:42 am

Hi tseaver, sorry for not replying sooner - computer was mothballed for the week as work was getting done in the house!

I can see "Scarlett 6i6 USB 3" in KDE mixer but it won't let me add the controls for monitor and headphone output.

I got the following error when opening Audacious:

ALSA error: No suitable mixer element found.
ALSA error: snd_mixer_find_selem failed.

RockHopper
Established Member
Posts: 142
Joined: Thu Apr 18, 2013 3:19 pm
Contact:

Re: Scarlett 6i6 not working

Postby RockHopper » Sat Feb 03, 2018 2:49 pm

Got it working! :D Just needed to plug it into a USB2 rather than USB3 socket. Thanks for your help tseaver

tseaver
Established Member
Posts: 24
Joined: Mon Mar 13, 2017 6:07 am

Re: Scarlett 6i6 not working

Postby tseaver » Tue Mar 06, 2018 3:47 am

I'm glad you got it working! Wish I'd thought to suggest switching USB ports.
Ubuntu, Mixbus32C; acoustic blues / country / jazz


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