Public bug reported:

similar to https://bugs.launchpad.net/ubuntu/+source/linux/+bug/459445
and https://bugs.launchpad.net/ubuntu/+source/linux/+bug/884210 , when
booting with a Logitech QuickCam plugged in:

Bus 001 Device 008: ID 046d:08c1 Logitech, Inc. QuickCam Fusion

the system starts to hang, it has no sound output, and /var/log/syslog
is filled with lines like

Sep 20 13:36:36 eva kernel: [ 4210.449077] usb 1-6: 3:3: cannot set freq
16000 to ep 0x86

unplugging quickcam and replugging it is a workaround, but it would be
nicer if the system didn't go into a state where it hangs / has no sound
to begin with.

kernel:
Linux eva1 4.15.0-45-generic #48-Ubuntu SMP Tue Jan 29 16:28:13 UTC 2019 x86_64 
x86_64 x86_64 GNU/Linux

ubuntu: ubuntu 18.04 bionic

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete


** Tags: amd64 bionic hw-specific

** Description changed:

  similar to #459445 and #884210, when booting with a Logitech QuickCam
  plugged in:
  
  Bus 001 Device 008: ID 046d:08c1 Logitech, Inc. QuickCam Fusion
  
  the system starts to hang, it has no sound output, and /var/log/syslog
  is filled with lines like
  
  Sep 20 13:36:36 eva kernel: [ 4210.449077] usb 1-6: 3:3: cannot set freq
  16000 to ep 0x86
  
- unplugging quickcam and replugging it fixes issue
+ unplugging quickcam and replugging it is a workaround, but it would be
+ nicer if the system didn't go into a state where it hangs / has no sound
+ to begin with.
  
  kernel:
  Linux eva1 4.15.0-45-generic #48-Ubuntu SMP Tue Jan 29 16:28:13 UTC 2019 
x86_64 x86_64 x86_64 GNU/Linux
  
  ubuntu: ubuntu 18.04 bionic

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https://bugs.launchpad.net/bugs/1844830

Title:
  cannot set freq 16000 to ep 0x86

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