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** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1843323

Title:
  Kernel 4.15.0-59 (and onwards) breaks scroll wheel of USB mouse
  (A4Tech X5-50D)

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  The latest kernel upgrade makes it impossible to use the scroll wheel
  of one specific mouse.

        Affected Ubuntu release: 18.04.3
        Last working kernel version: 4.15.0-58
        Affected kernel versions: 4.15.0-59, 4.15.0-60, 4.15.0-62, …

  I've several X5-50D input devices, tested at three different systems,
  connected via USB2 and USB3. I can reproduce the issue at all machines
  at any time. All others mouses are working fine. When booting the old
  kernel the problem is gone.

  Please tell me what details are required to trace this issue down. I
  should be able to test custom patches and build packages, if required.

  > usb 3-11: new low-speed USB device number 5 using xhci_hcd
  > usb 3-11: New USB device found, idVendor=09da, idProduct=000a
  > usb 3-11: New USB device strings: Mfr=1, Product=2, SerialNumber=0
  > usb 3-11: Product: PS/2+USB Mouse
  > usb 3-11: Manufacturer: A4Tech
  > input: A4Tech PS/2+USB Mouse as 
/devices/pci0000:00/0000:00:14.0/usb3/3-11/3-11:1.0/0003:09DA:000A.0005/input/input21
  > a4tech 0003:09DA:000A.0005: input,hidraw4: USB HID v1.10 Mouse [A4Tech 
PS/2+USB Mouse] on usb-0000:00:14.0-11/input0

  > Bus 003 Device 004: ID 09da:000a A4Tech Co., Ltd. Optical Mouse Opto 510D / 
OP-620D
  > Device Descriptor:
  >   bLength                18
  >   bDescriptorType         1
  >   bcdUSB               1.10
  >   bDeviceClass            0 (Defined at Interface level)
  >   bDeviceSubClass         0
  >   bDeviceProtocol         0
  >   bMaxPacketSize0         8
  >   idVendor           0x09da A4Tech Co., Ltd.
  >   idProduct          0x000a Optical Mouse Opto 510D / OP-620D
  >   bcdDevice            1.05
  >   iManufacturer           1 A4Tech
  >   iProduct                2 USB Mouse
  >   iSerial                 0
  >   bNumConfigurations      1
  >   Configuration Descriptor:
  >     bLength                 9
  >     bDescriptorType         2
  >     wTotalLength           34
  >     bNumInterfaces          1
  >     bConfigurationValue     1
  >     iConfiguration          0
  >     bmAttributes         0xa0
  >       (Bus Powered)
  >       Remote Wakeup
  >     MaxPower              100mA
  >     Interface Descriptor:
  >       bLength                 9
  >       bDescriptorType         4
  >       bInterfaceNumber        0
  >       bAlternateSetting       0
  >       bNumEndpoints           1
  >       bInterfaceClass         3 Human Interface Device
  >       bInterfaceSubClass      1 Boot Interface Subclass
  >       bInterfaceProtocol      2 Mouse
  >       iInterface              0
  >         HID Device Descriptor:
  >           bLength                 9
  >           bDescriptorType        33
  >           bcdHID               1.10
  >           bCountryCode            0 Not supported
  >           bNumDescriptors         1
  >           bDescriptorType        34 Report
  >           wDescriptorLength      48
  >          Report Descriptors:
  >            ** UNAVAILABLE **
  >       Endpoint Descriptor:
  >         bLength                 7
  >         bDescriptorType         5
  >         bEndpointAddress     0x81  EP 1 IN
  >         bmAttributes            3
  >           Transfer Type            Interrupt
  >           Synch Type               None
  >           Usage Type               Data
  >         wMaxPacketSize     0x0008  1x 8 bytes
  >         bInterval              10
  > Device Status:     0x0000
  >   (Bus Powered)

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