[Bug 1458631] Re: udev: /dev/input/js0 is created but no joystick attached

Sat Jun 13 16:53:49 UTC 2015

Thomas Andersen, could you please test the latest upstream kernel
available from the very top line at the top of the page (the release
names are irrelevant for testing, and please do not test the daily
folder) following https://wiki.ubuntu.com/Kernel/MainlineBuilds ? It
will allow additional upstream developers to examine the issue.

If the test did not allow you to test to the issue (ex. you couldn't boot into the OS) please make a comment in your report about this, and continue to test the next most recent kernel version until you can test to the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags by clicking on the yellow circle with a black pencil icon, next to the word Tags, located at the bottom of the report description:
kernel-fixed-upstream
kernel-fixed-upstream-X.Y-rcZ

Where XY and Z are numbers corresponding to the kernel version.

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-X.Y-rcZ

Please note, an error to install the kernel does not fit the criteria of
kernel-bug-exists-upstream.

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results.

Thank you for your understanding.

** Tags added: latest-bios-3.57

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

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Title:
  udev: /dev/input/js0 is created but no joystick attached

Status in linux package in Ubuntu:
  Incomplete
Status in systemd package in Ubuntu:
  Invalid

Bug description:
  With ubuntu vivid i see a /dev/input/js0. I do not have a joystick or
  gamepad attached. This invalid input device cause a game in steam
  "Crypt of the necrodancer" to crash during start. The game works fine
  when I delete it.

  This appears to be a ubuntu specific bug as it does not show up on
  fedora 22.

  It goes away if I unplug the mouse/keyboard usb dongle I use. If I
  attach a wired keyboard only it does not show up. I tried adding a
  wired mouse too, but that causes js0 to appear too. The output of
  udevadm changes depending on what mouse I have attached. The following
  output is from using the dongle for my wireless mouse/keyboard (both
  microsoft products)

  $sudo udevadm info /dev/input/js0
  P: /devices/pci0000:00/0000:00:1a.2/usb5/5-1/5-1:1.2/0003:045E:0745.0003/input/input7/js0
  N: input/js0
  S: input/by-id/usb-Microsoft_Microsoft®_2.4GHz_Transceiver_v6.0-if02-joystick
  S: input/by-path/pci-0000:00:1a.2-usb-0:1:1.2-joystick
  E: DEVLINKS=/dev/input/by-id/usb-Microsoft_Microsoft®_2.4GHz_Transceiver_v6.0-if02-joystick /dev/input/by-path/pci-0000:00:1a.2-usb-0:1:1.2-joystick
  E: DEVNAME=/dev/input/js0
  E: DEVPATH=/devices/pci0000:00/0000:00:1a.2/usb5/5-1/5-1:1.2/0003:045E:0745.0003/input/input7/js0
  E: ID_BUS=usb
  E: ID_FOR_SEAT=input-pci-0000_00_1a_2-usb-0_1_1_2
  E: ID_INPUT=1
  E: ID_INPUT_JOYSTICK=1
  E: ID_INPUT_KEY=1
  E: ID_INPUT_KEYBOARD=1
  E: ID_MODEL=Microsoft®_2.4GHz_Transceiver_v6.0
  E: ID_MODEL_ENC=Microsoft®\x202.4GHz\x20Transceiver\x20v6.0
  E: ID_MODEL_ID=0745
  E: ID_PATH=pci-0000:00:1a.2-usb-0:1:1.2
  E: ID_PATH_TAG=pci-0000_00_1a_2-usb-0_1_1_2
  E: ID_REVISION=0251
  E: ID_SERIAL=Microsoft_Microsoft®_2.4GHz_Transceiver_v6.0
  E: ID_TYPE=hid
  E: ID_USB_DRIVER=usbhid
  E: ID_USB_INTERFACES=:030101:030102:030000:
  E: ID_USB_INTERFACE_NUM=02
  E: ID_VENDOR=Microsoft
  E: ID_VENDOR_ENC=Microsoft
  E: ID_VENDOR_ID=045e
  E: MAJOR=13
  E: MINOR=0
  E: SUBSYSTEM=input
  E: TAGS=:seat:uaccess:
  E: USEC_INITIALIZED=117298
  --- 
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  phomes     1442 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 15.04
  HibernationDevice: RESUME=UUID=fde58bd6-316d-4a14-bc85-41d8f26cec02
  InstallationDate: Installed on 2015-03-13 (91 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150306)
  MachineType: Hewlett-Packard HP Z400 Workstation
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB:

  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-20-generic root=UUID=0fad5f38-47ef-4b98-b2ac-1ff9fc3244be ro quiet splash
  ProcVersionSignature: Ubuntu 3.19.0-20.20-generic 3.19.8
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-20-generic N/A
   linux-backports-modules-3.19.0-20-generic  N/A
   linux-firmware                             1.143.1
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  Tags:  vivid
  Uname: Linux 3.19.0-20-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 07/15/2013
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 786G3 v03.57
  dmi.board.asset.tag: CZC94164B9
  dmi.board.name: 0AE4h
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: C
  dmi.chassis.asset.tag: CZC94164B9
  dmi.chassis.type: 6
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr786G3v03.57:bd07/15/2013:svnHewlett-Packard:pnHPZ400Workstation:pvr:rvnHewlett-Packard:rn0AE4h:rvrC:cvnHewlett-Packard:ct6:cvr:
  dmi.product.name: HP Z400 Workstation
  dmi.sys.vendor: Hewlett-Packard

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