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[Raymond <1537957@xxxxxxxxxxxxxxxxxx>]

[ 331.292017] usb 5-2: new full-speed USB device number 2 using uhci_hcd 
[ 331.651725] usb 5-2: New USB device found, idVendor=1532, idProduct=0504 
[ 331.651731] usb 5-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
 [ 331.651734] usb 5-2: Product: Razer Kraken 7.1 Chroma 
[ 331.651736] usb 5-2: Manufacturer: Razer 
[ 331.747862] input: Razer Razer Kraken 7.1 Chroma as /devices/pci0000:00/0000:00:1d.3/usb5/5-2/5-2:1.3/input/input18
 [ 331.748166] hid-generic 0003:1532:0504.0006: input,hiddev0,hidraw5: USB HID v1.11 Device [Razer Razer Kraken 7.1 Chroma] on usb-0000:00:1d.3-2/input3 
[ 331.850135] usbcore: registered new interface driver snd-usb-audio [ 467.132082] hub 5-0:1.0: port 2 disabled by hub (EMI?), re-enabling... 
[ 467.132093] usb 5-2: USB disconnect, device number 2 
[ 467.408018] usb 5-2: new full-speed USB device number 3 using uhci_hcd
 [ 467.767978] usb 5-2: New USB device found, idVendor=1532, idProduct=0504 
[ 467.767984] usb 5-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
 [ 467.767987] usb 5-2: Product: Razer Kraken 7.1 Chroma
 [ 467.767990] usb 5-2: Manufacturer: Razer 
[ 467.901069] usbhid 5-2:1.3: can't add hid device: -71 
[ 467.901096] usbhid: probe of 5-2:1.3 failed with error -71 [ 467.927086] cannot get current value for control 1 ch 0: err = -22
 [ 467.937089] cannot get current value for control 1 ch 0: err = -22 
[ 467.947097] cannot get current value for control 2 ch 2: err = -22
 [ 467.952109] 3:1:1: usb_set_interface failed (-71) 
[ 467.953104] 3:1:1: usb_set_interface failed (-71)
 [ 467.954104] 3:1:1: usb_set_interface failed (-71)

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1537957

Title:
  [USB-Audio - Razer Kraken 7.1 Chroma, playback] fails after a while

Status in alsa-driver package in Ubuntu:
  New

Bug description:
  Driver appears to power cycle where every so often in tens of seconds
  the device drops from pavucontrol and then either comes back in or
  worse, requires unplugging and replugging in the USB connector and
  choosing the right input/output again.  Skype causes the device to
  disappear and not re-appear.  Playing with the sound settings will
  drop the device and have it show back up with the system already
  switching to the fallback device.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.13.0-76.120-generic 3.13.11-ckt30
  Uname: Linux 3.13.0-76-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 25 16:59:50 2016
  InstallationDate: Installed on 2014-08-25 (518 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_Card: Razer Kraken 7.1 Chroma - Razer Kraken 7.1 Chroma
  Symptom_Type: Sound works for a while, then breaks
  Title: [USB-Audio - Razer Kraken 7.1 Chroma, playback] fails after a while
  UpgradeStatus: Upgraded to trusty on 2016-01-26 (0 days ago)
  dmi.bios.date: 04/30/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A11
  dmi.board.name: 0RW199
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 7
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA11:bd04/30/2012:svnDellInc.:pnPrecisionWorkStationT7400:pvr:rvnDellInc.:rn0RW199:rvr:cvnDellInc.:ct7:cvr:
  dmi.product.name: Precision WorkStation T7400
  dmi.sys.vendor: Dell Inc.

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