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[Q] Battery Drain Due To Suspend_Backoff Kernel Wakelock, Suspect Wi-Fi

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By f5wA9RBE, Junior Member on 8th October 2013, 12:04 PM
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Hi, I've been having issues with the suspend_backoff kernel wakelock since installing CM 10.1.3 stable. It is a fresh install (performed reset in CWM) with almost no user apps. I have disabled and signed out of most Google services, e.g. Google+, Hangouts, Google apps location, Google search, tailored ads, app verification. Bluetooth, NFC, and GPS are all disabled.

When Wi-Fi is enabled, I seem to get "no data connection". The phone is being kept awake by suspend_backoff.

When Wi-Fi is disabled and I am connected to 3G, this problem disappears and the phone is able to enter deep sleep.

I've tried to search for a solution. It is unrelated to the old msm_hsic_host wakelock problem that was fixed upstream by Google. It is also unrelated to Google Chrome problem, as it is not installed. I have tried deleting data and cache for Google apps and services, which does not appear to fix the issue.

===================
General Information
===================
BetterBatteryStats version: 1.13.4.0
Creation Date: 2013-10-08 11:28:28
Statistic Type: Boot to Current
Since 1 h 32 m 23 s
VERSION.RELEASE: 4.2.2
BRAND: google
DEVICE: mako
MANUFACTURER: LGE
MODEL: Nexus 4
OS.VERSION: 3.4.0-perf-g825e82a
BOOTLOADER: MAKOZ10l
HARDWARE: mako
FINGERPRINT: google/occam/mako:4.2.2/JDQ39/573038:user/release-keys
ID: JDQ39E
TAGS: test-keys
USER: jenkins
PRODUCT: occam
RADIO: M9615A-CEFWMAZM-2.0.1700.33
Rooted: true
============
Battery Info
============
Level lost [%]: Bat.: -4% (90% to 86%) [2.6%/h]
Voltage lost [mV]: (4101-4116) [-9.8%/h]
===========
Other Usage
===========
Deep Sleep (): 18 m 28 s (1108 s) Ratio: 19.9%
Awake (): 1 h 13 m 55 s (4435 s) Ratio: 80.0%
Screen On (): 2 m 9 s (129 s) Ratio: 2.3%
Wifi On (): 1 h 32 m 23 s (5543 s) Ratio: 100.0%
Wifi Running (): 1 h 32 m 23 s (5543 s) Ratio: 100.0%
No Data Connection (): 1 h 28 m 20 s (5300 s) Ratio: 95.6%
No or Unknown Signal (): 1 h 28 m 20 s (5300 s) Ratio: 95.6%
Good Signal (): (0 s) Ratio: 0.0%
Screen dark (): 2 m 9 s (129 s) Ratio: 2.3%
=========
Wakelocks
=========
RILJ (Phone): 1 m 34 s (94 s) Count:177 1.7%
ConnectivityService (Android System): 1 m 7 s (67 s) Count:360 1.2%
NfcService:mRoutingWakeLock (com.android.nfc.Nfc Service): 14 s (14 s) Count:30 0.3%
GCM_CONN_ALARM (Google Services): 13 s (13 s) Count:200 0.2%
AlarmManager (Android System): 12 s (12 s) Count:340 0.2%
GpsLocationProvider (Android System): 5 s (5 s) Count:190 0.1%
AudioOut_2 (1013): 4 s (4 s) Count:7 0.1%
Checkin Service (Google Services): 4 s (4 s) Count:183 0.1%
ActivityManager-Launch (Android System): 4 s (4 s) Count:140 0.1%
BBS_WAKELOCK_WHILE_SAVING_REF (com.asksven.betterbatterystats.BetterBatteryStats ): 3 s (3 s) Count:7 0.1%
show keyguard (Android System): 3 s (3 s) Count:9 0.1%
WakefulIntentService[GCoreUlr-ExternalChangeService] (Google Services): 2 s (2 s) Count:313 0.1%
DHCP (Android System): 2 s (2 s) Count:214 0.1%
SyncLoopWakeLock (Android System): 2 s (2 s) Count:461 0.0%
GCM_CONN (Google Services): 2 s (2 s) Count:304 0.0%
AudioOut_3 (1013): 2 s (2 s) Count:2 0.0%
NetworkStats (Android System): 2 s (2 s) Count:126 0.0%
SMSDispatcher (Phone): 2 s (2 s) Count:13 0.0%
*sync*_subscribedfeeds_Account {name=b8c35ab0c3f90d29ae9cc189659604ee, type=com.google} (Google Services): 1 s (1 s) Count:3 0.0%
MediaScannerService (Media): 1 s (1 s) Count:2 0.0%
AlarmManager (Google Services): 1 s (1 s) Count:352 0.0%
Event Log Service (Google Services): 1 s (1 s) Count:248 0.0%
ActivityManager-Sleep (Android System): 1 s (1 s) Count:471 0.0%
================
Kernel Wakelocks
================
"suspend_backoff" (): 54 m 31 s (3271 s) Cntc/wc/ec)330/0/330 58.8%
"msm_hsic_host" (): 3 m 35 s (215 s) Cntc/wc/ec)128/17/0 3.9%
"PowerManagerService" (): 3 m 31 s (211 s) Cntc/wc/ec)384/0/0 3.8%
"radio-interface" (): 1 m 33 s (93 s) Cntc/wc/ec)100/0/0 1.7%
"alarm_rtc" (): 1 m 13 s (73 s) Cntc/wc/ec)87/7/26 1.3%
"alarm" (): 4 s (4 s) Cntc/wc/ec)192/1/0 0.1%
"wlan" (): 3 s (3 s) Cntc/wc/ec)19/0/0 0.1%
"PowerManagerService.Broadcasts" (): 1 s (1 s) Cntc/wc/ec)19/0/0 0.0%
"qcril" (): 1 s (1 s) Cntc/wc/ec)344/0/0 0.0%
"KeyEvents" (): 1 s (1 s) Cntc/wc/ec)5732/0/0 0.0%
"power-supply" (): 1 s (1 s) Cntc/wc/ec)87/0/0 0.0%
"mmc0_detect" (): (0 s) Cntc/wc/ec)3407/0/1 0.0%
"qmuxd_port_wl_9" (): (0 s) Cntc/wc/ec)1263/0/0 0.0%
======================
Alarms (requires root)
======================
com.google.android.gms (): Wakeups: 36
Alarms: 22, Intent: com.google.android.intent.action.GCM_RECONNECT
Alarms: 1, Intent: com.google.android.gms.recovery.WAKEUP
Alarms: 8, Intent: com.google.android.intent.action.SEND_IDLE
Alarms: 5, Intent: com.google.android.intent.action.MCS_HEARTBEAT

android (): Wakeups: 16
Alarms: 0, Intent: android.intent.action.TIME_TICK
Alarms: 0, Intent: com.android.server.action.NETWORK_STATS_POLL
Alarms: 0, Intent: com.android.server.ThrottleManager.action.POLL
Alarms: 10, Intent: android.net.wifi.DHCP_RENEW
Alarms: 5, Intent: android.content.syncmanager.SYNC_ALARM
Alarms: 1, Intent: com.android.internal.policy.impl.PhoneWindowManage r.DELAYED_KEYGUARD

com.android.phone (): Wakeups: 11
Alarms: 8, Intent: com.android.internal.telephony.gprs-reconnect.0
Alarms: 3, Intent: com.android.internal.telephony.gprs-data-stall

com.android.vending (): Wakeups: 6
Alarms: 3, Intent: {com.android.vending
Alarms: 3, Intent: {com.android.vending

com.google.android.gsf (): Wakeups: 3
Alarms: 3, Intent: {com.google.android.gsf

com.cyanogenmod.lockclock (): Wakeups: 1
Alarms: 1, Intent: {com.cyanogenmod.lockclock

com.google.android.talk (): Wakeups: 1
Alarms: 1, Intent: com.google.android.apps.babel.CLEANUP_DB

bbc.mobile.weather (): Wakeups: 1
Alarms: 1, Intent: {bbc.mobile.weather

com.mobitobi.android.gentlealarm (): Wakeups: 1
Alarms: 1, Intent: com.mobitobi.android.gentlealarm.ALARM_INIT

com.google.android.apps.plus (): Wakeups: 1
Alarms: 1, Intent: com.google.android.apps.plus.NEW_PICTURE

com.android.providers.calendar (): Wakeups: 1
Alarms: 1, Intent: com.android.providers.calendar.intent.CalendarProv ider2

======================
Network (requires root)
======================
10067 (Wifi) (com.google.android.googlequicksearchbox.Google Search): 266.0 KBytes 34.2%
0 (Wifi) (0): 195.0 KBytes 25.1%
10051 (Wifi) (Google Services): 159.0 KBytes 20.5%
10061 (Wifi) (com.android.vending.Google Play Store): 84.0 KBytes 10.9%
10038 (Wifi) (com.google.android.configupdater.ConfigUpdater): 16.0 KBytes 2.1%
10005 (Wifi) (com.cyanogenmod.account.CyanogenMod Account): 11.0 KBytes 1.5%
10078 (Wifi) (com.asksven.betterbatterystats.BetterBatteryStats ): 10.0 KBytes 1.3%
10051 (Mobile) (Google Services): 9.0 KBytes 1.3%
0 (Mobile) (0): 9.0 KBytes 1.2%
1014 (Wifi) (1014): 7.0 KBytes 0.9%
1000 (Wifi) (Android System): 6.0 KBytes 0.8%
1000 (Mobile) (Android System): 693.0 Bytes 0.1%
10018 (Wifi) (Media): 373.0 Bytes 0.0%
==========
CPU States
==========
384 MHz (): 1 h 8 m 39 s 74.3%
486 MHz (): 8 s 0.1%
594 MHz (): 37 s 0.7%
702 MHz (): 12 s 0.2%
810 MHz (): 3 s 0.1%
918 MHz (): 3 s 0.1%
1.03 GHz (): 1 m 15 s 1.4%
1.13 GHz (): 6 s 0.1%
1.24 GHz (): 14 s 0.3%
1.35 GHz (): 3 s 0.1%
1.46 GHz (): 5 s 0.1%
1.51 GHz (): 2 m 24 s 2.6%
Deep Sleep (): 18 m 28 s 19.9%
==================
Reference overview
==================
ref_boot: Reference ref_boot created 22 s (Wl: 2 elements; KWl: 0elements; NetS: 7 elements; Alrm: 1 elements; Proc: 0 elements; Oth: 5 elements; CPU: 11 elements)
ref_current: Reference ref_current created 1 h 32 m 45 s (Wl: 23 elements; KWl: 13elements; NetS: 14 elements; Alrm: 11 elements; Proc: 12 elements; Oth: 9 elements; CPU: 13 elements)
 
 
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