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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1284372

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

** Tags added: trusty

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https://bugs.launchpad.net/bugs/1284372

Title:
  Failure to suspend on Lenovo X230

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  My system tries to enter suspend, but bails back out with the
  following:

  [77808.028591] WARNING: CPU: 2 PID: 20791 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_uncore.c:125 gen6_gt_check_fifodbg.isra.9+0x38/0x50 [i915]()
  [77808.028592] MMIO read or write has been dropped ffffffff
       [ modules list ]
  [77808.028622] CPU: 2 PID: 20791 Comm: kworker/u16:68 Tainted: G        W    3.13.0-11-generic #31-Ubuntu
  [77808.028623] Hardware name: LENOVO 23301B9/23301B9, BIOS G2ET95WW (2.55 ) 07/09/2013
  [77808.028634] Workqueue: i915 gen6_force_wake_work [i915]
  [77808.028636]  0000000000000009 ffff88008dca1d38 ffffffff817163b5 ffff88008dca1d80
  [77808.028637]  ffff88008dca1d70 ffffffff8106450d ffff88020d7ec020 ffff88020d7ec028
  [77808.028639]  0000000000000246 0000000000000000 0000000000000200 ffff88008dca1dd0
  [77808.028639] Call Trace:
  [77808.028644]  [<ffffffff817163b5>] dump_stack+0x45/0x56
  [77808.028646]  [<ffffffff8106450d>] warn_slowpath_common+0x7d/0xa0
  [77808.028648]  [<ffffffff8106457c>] warn_slowpath_fmt+0x4c/0x50
  [77808.028659]  [<ffffffffa0159d98>] gen6_gt_check_fifodbg.isra.9+0x38/0x50 [i915]
  [77808.028668]  [<ffffffffa0159e3b>] __gen6_gt_force_wake_mt_put+0x2b/0x30 [i915]
  [77808.028677]  [<ffffffffa0159b67>] gen6_force_wake_work+0x37/0x50 [i915]
  [77808.028679]  [<ffffffff81080702>] process_one_work+0x182/0x450
  [77808.028681]  [<ffffffff810814a1>] worker_thread+0x121/0x410
  [77808.028682]  [<ffffffff81081380>] ? rescuer_thread+0x3e0/0x3e0
  [77808.028684]  [<ffffffff810880f2>] kthread+0xd2/0xf0
  [77808.028685]  [<ffffffff81088020>] ? kthread_create_on_node+0x190/0x190
  [77808.028687]  [<ffffffff81726cfc>] ret_from_fork+0x7c/0xb0
  [77808.028688]  [<ffffffff81088020>] ? kthread_create_on_node+0x190/0x190
  [77808.028689] ---[ end trace a01b8488029b5090 ]---

  $ uname -a
  Linux icarus 3.13.0-11-generic #31-Ubuntu SMP Wed Feb 19 19:57:21 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

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