This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1709282 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1709282 Title: Plantronics Blackwire C520-M - Cannot get freq at ep 0x1, 0x81 Status in linux package in Ubuntu: Incomplete Bug description: Very similar to this: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1622763 == the Problem == Listening to sound on a vmware machine, hosted by Ubuntu, the devices freezes, and cannot listen to sound anymore, i have to connect/disconnect the device. After i disconnect i get the logs: Aug 8 13:52:05 tim-lap-143 kernel: [112278.344893] usb 1-1: 1:1: cannot get freq at ep 0x81 Aug 8 13:52:05 tim-lap-143 kernel: [112278.347094] usb 1-1: 2:1: cannot get freq at ep 0x1 Aug 8 13:52:05 tim-lap-143 kernel: [112278.358786] usb 1-1: Warning! Unlikely big volume range (=8192), cval->res is probably wrong. Aug 8 13:52:05 tim-lap-143 kernel: [112278.358787] usb 1-1: [11] FU [Sidetone Playback Volume] ch = 1, val = 0/8192/1 Aug 8 13:52:05 tim-lap-143 kernel: [112278.641980] input: Plantronics Plantronics C520-M as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.3/0003:047F:C036.000F/input/input32 Aug 8 13:52:05 tim-lap-143 kernel: [112278.702298] plantronics 0003:047F:C036.000F: input,hiddev0,hidraw2: USB HID v1.11 Device [Plantronics Plantronics C520-M] on usb-0000:00:14.0-1/input3 Aug 8 13:52:05 tim-lap-143 kernel: [112278.747708] usb 1-1: 2:1: cannot get freq at ep 0x1 Aug 8 13:52:16 tim-lap-143 kernel: [112289.406154] usb 1-1: reset full-speed USB device number 19 using xhci_hcd Aug 8 13:52:16 tim-lap-143 kernel: [112289.906146] usb 1-1: reset full-speed USB device number 19 using xhci_hcd = The solution == It is simple, add this USB ID to the sound/usb/quirks.c:snd_usb_get_sample_rate_quirk function. version signature: Ubuntu 4.10.0-28.32-generic 4.10.17 Thanks! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1709282/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp