This bug was fixed in the package linux - 4.2.0-14.16

---------------
linux (4.2.0-14.16) wily; urgency=low

  [ Tim Gardner ]

  * Release Tracking Bug
    - LP: #1501818
  * rebase to v4.2.2
  * [Config] CONFIG_RTC_DRV_XGENE=y
    - LP: #1499869

  [ Upstream Kernel Changes ]

  * mei: do not access freed cb in blocking write
    - LP: #1494076
  * mei: bus: fix drivers and devices names confusion
    - LP: #1494076
  * mei: bus: rename nfc.c to bus-fixup.c
    - LP: #1494076
  * mei: bus: move driver api functions at the start of the file
    - LP: #1494076
  * mei: bus: rename uevent handler to mei_cl_device_uevent
    - LP: #1494076
  * mei: bus: don't enable events implicitly in device enable
    - LP: #1494076
  * mei: bus: report if event registration failed
    - LP: #1494076
  * mei: bus: revamp device matching
    - LP: #1494076
  * mei: bus: revamp probe and remove functions
    - LP: #1494076
  * mei: bus: add reference to bus device in struct mei_cl_client
    - LP: #1494076
  * mei: bus: add me client device list infrastructure
    - LP: #1494076
  * mei: bus: enable running fixup routines before device registration
    - LP: #1494076
  * mei: bus: blacklist the nfc info client
    - LP: #1494076
  * mei: bus: blacklist clients by number of connections
    - LP: #1494076
  * mei: bus: simplify how we build nfc bus name
    - LP: #1494076
  * mei: bus: link client devices instead of host clients
    - LP: #1494076
  * mei: support for dynamic clients
    - LP: #1494076
  * mei: disconnect on connection request timeout
    - LP: #1494076
  * mei: define async notification hbm commands
    - LP: #1494076
  * mei: implement async notification hbm messages
    - LP: #1494076
  * mei: enable async event notifications only from hbm version 2.0
    - LP: #1494076
  * mei: add mei_cl_notify_request command
    - LP: #1494076
  * mei: add a handler that waits for notification on event
    - LP: #1494076
  * mei: add async event notification ioctls
    - LP: #1494076
  * mei: support polling for event notification
    - LP: #1494076
  * mei: implement fasync for event notification
    - LP: #1494076
  * mei: bus: add and call callback on notify event
    - LP: #1494076
  * mei: hbm: add new error code MEI_CL_CONN_NOT_ALLOWED
    - LP: #1494076
  * mei: me: d0i3: add the control registers
    - LP: #1494076
  * mei: me: d0i3: add flag to indicate D0i3 support
    - LP: #1494076
  * mei: me: d0i3: enable d0i3 interrupts
    - LP: #1494076
  * mei: hbm: reorganize the power gating responses
    - LP: #1494076
  * mei: me: d0i3: add d0i3 enter/exit state machine
    - LP: #1494076
  * mei: me: d0i3: move mei_me_hw_reset down in the file
    - LP: #1494076
  * mei: me: d0i3: exit d0i3 on driver start and enter it on stop
    - LP: #1494076
  * mei: me: add sunrise point device ids
    - LP: #1494076
  * mei: hbm: bump supported HBM version to 2.0
    - LP: #1494076
  * mei: remove check on pm_runtime_active in __mei_cl_disconnect
    - LP: #1494076
  * mei: fix debugfs files leak on error path
    - LP: #1494076

  [ Upstream Kernel Changes ]

  * rebase to v4.2.2
    - LP: #1492132

 -- Tim Gardner <email address hidden>  Tue, 29 Sep 2015 09:02:13 -0700