group.of.nepali.translators team mailing list archive

[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

I built a Xenial test kernel with the patch you posted.  The test kernel
can be downloaded from:

http://kernel.ubuntu.com/~jsalisbury/lp1622763/

Can you test this kernel and see if it resolves this bug?  If it does, I
can send the patch upstream and SRU it to the Ubuntu kernels.

You just need to install the linux-image and linux-image-extra .deb
packages to test the kernel.

** Changed in: linux (Ubuntu)
     Assignee: (unassigned) => Joseph Salisbury (jsalisbury)

** Changed in: linux (Ubuntu)
       Status: Triaged => In Progress

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Yakkety)
   Importance: Medium
     Assignee: Joseph Salisbury (jsalisbury)
       Status: In Progress

** Also affects: linux (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Xenial)
       Status: New => In Progress

** Changed in: linux (Ubuntu Trusty)
       Status: New => In Progress

** Changed in: linux (Ubuntu Xenial)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu Trusty)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu Xenial)
     Assignee: (unassigned) => Joseph Salisbury (jsalisbury)

** Changed in: linux (Ubuntu Trusty)
     Assignee: (unassigned) => Joseph Salisbury (jsalisbury)

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https://bugs.launchpad.net/bugs/1622763

Title:
  Sennheiser Officerunner - cannot get freq at ep 0x83

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Trusty:
  In Progress
Status in linux source package in Xenial:
  In Progress
Status in linux source package in Yakkety:
  In Progress

Bug description:
  This USB headset doesn't seem to support sample rate polling, similar
  to this issue:

  https://bugzilla.kernel.org/show_bug.cgi?id=95961

  == The problem ==

  Every time something goes to interact with the device (playing a sound
  file, opening the sound panel, opening web audio/video), a 10 second
  pause is encountered, where dmesg prints out two messages:

    usb 2-1.2: 2:1: cannot get freq at ep 0x83
    usb 2-1.2: 2:1: cannot get freq at ep 0x83

  Once the sound is playing, everything is fine.  These sample rate
  polls don't seem to keep happening.  After waiting for maybe 30
  seconds after sound is playing, future interactions will again trigger
  the pause.

  This 10 second pause can introduce other subtle problems.  For
  instance, google hangouts will sometimes timeout waiting for the sound
  device to respond, and the browser tab will crash or not fully load as
  a result.  The sound panel often also will not display the device in
  the list of choices, and you will have to close it out.  Sometimes
  restart pulse audio to get it to recognize the headset again.

  == The solution ==

  It is simple, add this USB ID to the
  sound/usb/quirks.c:snd_usb_get_sample_rate_quirk function.

  case USB_ID(0x1395, 0x740a): /* Sennheiser Officerunner */

  version signature: Ubuntu 4.4.0-36.55-generic 4.4.16

  # lsusb |grep Senn
  Bus 002 Device 004: ID 1395:740a Sennheiser Communications

  # zcat  /var/log/kern.log.2.gz | grep 'cannot get' | tail -4
  Sep  2 11:26:56 helo kernel: [908040.937098] usb 2-1.2: 2:1: cannot get freq at ep 0x4
  Sep  2 11:27:01 helo kernel: [908045.941168] usb 2-1.2: 2:1: cannot get freq at ep 0x4
  Sep  2 12:18:44 helo kernel: [911149.006318] usb 2-1.2: 3:1: cannot get freq at ep 0x83
  Sep  2 12:18:49 helo kernel: [911154.010268] usb 2-1.2: 3:1: cannot get freq at ep 0x83
  ---
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC3:  dpb       12893 F.... pulseaudio
   /dev/snd/controlC2:  dpb       12893 F.... pulseaudio
   /dev/snd/controlC1:  dpb       12893 F.... pulseaudio
   /dev/snd/controlC0:  dpb       12893 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=a9a39ff3-c97d-471e-a0b3-518b4db8685c
  InstallationDate: Installed on 2015-03-18 (544 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150306)
  MachineType: Hewlett-Packard HP Z620 Workstation
  NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia zfs zunicode zcommon znvpair zavl
  Package: linux (not installed)
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-36-generic.efi.signed root=/dev/mapper/vgroot-lvroot ro console=tty0 console=ttyS4,115200 nosplash nomdmonddf nomdmonisw
  ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-36-generic N/A
   linux-backports-modules-4.4.0-36-generic  N/A
   linux-firmware                            1.157.3
  RfKill:
   0: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no
  Tags:  xenial
  Uname: Linux 4.4.0-36-generic x86_64
  UpgradeStatus: Upgraded to xenial on 2016-02-16 (210 days ago)
  UserGroups: adm cdrom dip docker libvirtd lpadmin lxd plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 05/27/2015
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: J61 v03.88
  dmi.board.asset.tag: 2UA41528ZC
  dmi.board.name: 158A
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 0.00
  dmi.chassis.asset.tag: 2UA41528ZC
  dmi.chassis.type: 6
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvrJ61v03.88:bd05/27/2015:svnHewlett-Packard:pnHPZ620Workstation:pvr:rvnHewlett-Packard:rn158A:rvr0.00:cvnHewlett-Packard:ct6:cvr:
  dmi.product.name: HP Z620 Workstation
  dmi.sys.vendor: Hewlett-Packard

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