kernel-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Joel Stanley, please do not remove the tags I apply to this report.
Please perform the requested actions as noted in
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1284372/comments/9
.

** Tags added: needs-apport-collect

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

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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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