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[Simon Fels <simon.busch@xxxxxxxxxxxxx>]

Worth to mentioned but doesn't prove anything yet: When turning
bluetooth off

Nov 13 06:06:18 ubuntu-phablet kernel: [60938.696811] [HCI-STP][I]hci_stp_close:hdev(0xd91de000)
Nov 13 06:06:18 ubuntu-phablet kernel: [60938.696829] [HCI-STP][I]hci_stp_flush:done
Nov 13 06:06:18 ubuntu-phablet kernel: [60938.696841] Flush type = 0 Rx Queue
Nov 13 06:06:18 ubuntu-phablet kernel: [60938.696856] ############ BT OFF ====>>sec=1447394778, usec=940213
Nov 13 06:06:18 ubuntu-phablet kernel: [60938.710524] ############ BT OFF <====>sec=1447394778, usec=953871
Nov 13 06:06:18 ubuntu-phablet kernel: [60938.710541] [HCI-STP][I]hci_stp_close:WMT turn off BT OK!
Nov 13 06:06:18 ubuntu-phablet kernel: [60938.742769] [CONN-MD-DFT][I]conn_md_thread:no msg queued in msg queue...
....
Nov 13 06:06:35 ubuntu-phablet kernel: [60955.707955] PM: suspend entry 2015-11-13 06:06:35.951294414 UTC
Nov 13 06:06:35 ubuntu-phablet kernel: [60955.707976] PM: Syncing filesystems ... done.
Nov 13 06:06:35 ubuntu-phablet kernel: [60955.732748] Freezing user space processes ... 
Nov 13 06:06:35 ubuntu-phablet kernel: [60955.733966] active wakeup source: MT662x
Nov 13 06:06:35 ubuntu-phablet kernel: [60955.733995] 
Nov 13 06:06:35 ubuntu-phablet kernel: [60955.734010] Freezing of tasks aborted after 0.001 seconds (24 tasks refusing to freeze, wq_busy=0):
Nov 13 06:06:35 ubuntu-phablet kernel: [60955.734051] 
Nov 13 06:06:35 ubuntu-phablet kernel: [60955.734060] Restarting tasks ... done.
Nov 13 06:06:35 ubuntu-phablet kernel: [60955.736030] msdc: 0,mmc_schedule_delayed_work ret= 1
Nov 13 06:06:35 ubuntu-phablet kernel: [60955.736098] PM: suspend exit 2015-11-13 06:06:35.979446414 UTC
Nov 13 06:06:35 ubuntu-phablet kernel: [60955.736116] WQ warning! work (try_to_suspend, c0eaab2c) execute more than 1 sec, time: 635923103499 ns


So suspend still fails even if BT is turned off.

-- 
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Packages, which is subscribed to bluez in Ubuntu.
https://bugs.launchpad.net/bugs/1505241

Title:
  Phone does not suspend

Status in Canonical System Image:
  Invalid
Status in bluez package in Ubuntu:
  In Progress

Bug description:
  I am seeing both the MX4 on proposed and the E4.5 on stable exhibit similar behavior
  According to the logs they are not able to suspend due to active wakeup sources.
  (I am running a BT test kernel on the MX4 3.10.35+)

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