[alsa-devel] alsa acting up

[liebrecht at grossmann-venter.com]

On 2019-09-18 07:07, Clemens Ladisch wrote:
> liebrecht at grossmann-venter.com wrote:
>> 1) As soon as pulseaudio is started Alsa says 1818VSL is 
>> unplugged....?
> 
> What is the output of "dmesg | tail" immediately afterwards?
> 
> 
> Regards,
> Clemens


Dmesg output
[28970.337926] usb 1-1: new high-speed USB device number 7 using 
ehci-pci
[28970.467327] usb 1-1: New USB device found, idVendor=194f, 
idProduct=0103, bcdDevice= 1.07
[28970.467332] usb 1-1: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
[28970.467334] usb 1-1: Product: AudioBox 1818 VSL
[28970.467335] usb 1-1: Manufacturer: PreSonus
[28970.467337] usb 1-1: SerialNumber: 2209
[28971.103709] usb 1-1: USB disconnect, device number 7
[28971.119052] usb 1-1: 2:2: cannot set freq 44100 (v2/v3): err -71
[28974.502188] usb 1-1: new high-speed USB device number 8 using 
ehci-pci
[28978.381409] usb 1-1: new high-speed USB device number 9 using 
ehci-pci
[28978.938451] usb 1-1: device not accepting address 9, error -71
[28982.306653] usb 1-1: new high-speed USB device number 11 using 
ehci-pci
[28982.866681] usb 1-1: device not accepting address 11, error -71
[28986.240898] usb 1-1: new high-speed USB device number 13 using 
ehci-pci
[28986.370321] usb 1-1: New USB device found, idVendor=194f, 
idProduct=0103, bcdDevice= 1.07

Here are some other info by means of screenshots:
"https://imgur.com/zJsvvST"
"https://imgur.com/qFGQytS"

Furthermore
pulseaudio reports:
E: [pulseaudio] udev-util.c: Failed to get card object.
E: [pulseaudio] module-alsa-card.c: Failed to find a working profile.
E: [pulseaudio] module.c: Failed to load module "module-alsa-card" 
(argument: "device_id="1" name="usb-PreSonus_AudioBox_1818_VSL_2209-00" 
card_name="alsa_card.usb-PreSonus_AudioBox_1818_VSL_2209-00" 
namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no 
deferred_volume=yes use_ucm=yes 
card_properties="module-udev-detect.discovered=1""): initialization 
failed.
E: [pulseaudio] udev-util.c: Failed to get card object.
E: [pulseaudio] module-alsa-card.c: Failed to find a working profile.
E: [pulseaudio] module.c: Failed to load module "module-alsa-card" 
(argument: "device_id="1" name="usb-PreSonus_AudioBox_1818_VSL_2209-00" 
card_name="alsa_card.usb-PreSonus_AudioBox_1818_VSL_2209-00" 
namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no 
deferred_volume=yes use_ucm=yes 
card_properties="module-udev-detect.discovered=1""): initialization 
failed.