Oct 09 15:46:00 amito kernel: usb 3-14.1: USB disconnect, device number 9 Oct 09 15:46:00 amito pulseaudio[2569]: Got POLLNVAL from ALSA Oct 09 15:46:00 amito pulseaudio[2569]: Error opening PCM device front:2: No such file or directory Oct 09 15:46:00 amito kernel: usb 3-14: reset full-speed USB device number 8 using xhci_hcd Oct 09 15:46:00 amito plasmashell[2697]: org.kde.plasma.pulseaudio: No object for name "alsa_output.usb-Audioengine_LLC_Audioengine_2__AE202010001A2002-00.analog-stereo" Oct 09 15:46:00 amito plasmashell[2697]: org.kde.plasma.pulseaudio: No object for name "alsa_output.usb-Audioengine_LLC_Audioengine_2__AE202010001A2002-00.analog-stereo.monitor" Oct 09 15:46:00 amito plasmashell[2697]: org.kde.plasma.pulseaudio: No object for name "alsa_output.pci-0000_00_1b.0.analog-stereo.monitor" Oct 09 15:46:00 amito systemsettings5[11781]: org.kde.plasma.pulseaudio: No object for name "alsa_output.usb-Audioengine_LLC_Audioengine_2__AE202010001A2002-00.analog-stereo" Oct 09 15:46:00 amito systemsettings5[11781]: org.kde.plasma.pulseaudio: No object for name "alsa_output.usb-Audioengine_LLC_Audioengine_2__AE202010001A2002-00.analog-stereo.monitor" Oct 09 15:46:00 amito systemsettings5[11781]: org.kde.plasma.pulseaudio: No object for name "alsa_output.pci-0000_00_1b.0.analog-stereo.monitor" Oct 09 15:46:00 amito kernel: usb 3-14.1: new full-speed USB device number 15 using xhci_hcd Oct 09 15:46:00 amito kernel: usb 3-14.1: New USB device found, idVendor=0a12, idProduct=4007, bcdDevice=14.86 Oct 09 15:46:00 amito kernel: usb 3-14.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Oct 09 15:46:00 amito kernel: usb 3-14.1: Product: Audioengine 2+ Oct 09 15:46:00 amito kernel: usb 3-14.1: Manufacturer: Audioengine LLC Oct 09 15:46:00 amito kernel: usb 3-14.1: SerialNumber: AE202010001A2002 Oct 09 15:46:00 amito kernel: usb 3-14.1: can't set config #1, error -71 Oct 09 15:46:00 amito upowerd[2666]: treating change event as add on /sys/devices/pci0000:00/0000:00:14.0/usb3/3-14 Oct 09 15:46:00 amito upowerd[2666]: treating change event as add on /sys/devices/pci0000:00/0000:00:14.0/usb3/3-14 Oct 09 15:46:00 amito mtp-probe[11911]: checking bus 3, device 15: "/sys/devices/pci0000:00/0000:00:14.0/usb3/3-14/3-14.1" Oct 09 15:46:00 amito mtp-probe[11911]: bus: 3, device: 15 was not an MTP device Oct 09 15:46:00 amito mtp-probe[11924]: checking bus 3, device 15: "/sys/devices/pci0000:00/0000:00:14.0/usb3/3-14/3-14.1" Oct 09 15:46:00 amito mtp-probe[11924]: bus: 3, device: 15 was not an MTP device