While tablet is in sleep mode, dmesg is constantly recording the following logs in un-ending loop:
(0)[5951:kworker/u8:1]Freezing of tasks aborted after 0.000 seconds
[ 6609.517243] (0)[5951:kworker/u8:1]Restarting tasks ... done.
[ 6609.518665] (0)[5951:kworker/u8:1]msdc: 0,mmc_schedule_delayed_work ret= 1
[ 6609.518677] (0)[5951:kworker/u8:1]msdc: 1,mmc_schedule_delayed_work ret= 1
[ 6609.518685] (0)[5951:kworker/u8:1][battery_pm_event] pm_event 4
[ 6609.518693] (0)[5951:kworker/u8:1]battery resume NOT by pcm timer!!
[ 6609.518704] (0)[5951:kworker/u8:1]@bs=0@
[ 6609.518785] (0)[5951:kworker/u8:1]PM: suspend exit 2016-04-24 18:05:28.014388308 UTC
[ 6609.518822] (0)[5951:kworker/u8:1]active wakeup source: mmc1_detect
[ 6609.518888] -(0)[8448:kworker/u8:4]INIT: KN@MSDC Card insert<1> Block bad card<0> <- L<9729> PID<kworker/u8:4><0x2100>
[ 6609.518935] (0)[5951:kworker/u8:1][HIB/AUTOSLEEP][try_to_suspend]pm_suspend: state(3)
[ 6609.518945] (0)[5951:kworker/u8:1][HIB/AUTOSLEEP][try_to_suspend]calling pm_suspend() state(3)
[ 6609.518958] (0)[5951:kworker/u8:1]PM: suspend entry 2016-04-24 18:05:28.014563847 UTC
[ 6609.519000] (0)[8448:kworker/u8:4]++
[ 6609.525066] (0)[8448:kworker/u8:4]--
[ 6609.532233] (1)[1129:systemd-logind]systemd-logind[1129]: Failed to apply ACLs: Operation not supported
[ 6609.542941] (1)[1129:systemd-logind]systemd-logind[1129]: Failed to apply ACLs: Operation not supported
[ 6609.518964] (0)[5951:kworker/u8:1]PM: Syncing filesystems ... done.
[ 6609.626699] (0)[5951:kworker/u8:1][battery_pm_event] pm_event 3
[ 6609.626710] (0)[5951:kworker/u8:1]@bs=1@
[ 6609.626718] (0)[5951:kworker/u8:1]Freezing user space processes ...
[ 6609.627173] (0)[5951:kworker/u8:1]active wakeup source: WLAN AHB ISR
[ 6609.627190] (0)[5951:kworker/u8:1]
[ 6609.627197] (0)[5951:kworker/u8:1]Freezing of tasks aborted after 0.000 seconds
[ 6609.627223] (0)[5951:kworker/u8:1]Restarting tasks ... done.
[ 6609.628612] (0)[5951:kworker/u8:1]msdc: 0,mmc_schedule_delayed_work ret= 1
[ 6609.628625] (0)[5951:kworker/u8:1]msdc: 1,mmc_schedule_delayed_work ret= 1
[ 6609.628633] (0)[5951:kworker/u8:1][battery_pm_event] pm_event 4
[ 6609.628642] (0)[5951:kworker/u8:1]battery resume NOT by pcm timer!!
[ 6609.628653] (0)[5951:kworker/u8:1]@bs=0@
[ 6609.628736] (0)[5951:kworker/u8:1]PM: suspend exit 2016-04-24 18:05:28.124339924 UTC
[ 6609.628770] (0)[5951:kworker/u8:1]active wakeup source: WLAN AHB ISR
[ 6609.628779] (0)[5951:kworker/u8:1]active wakeup source: mmc1_detect
[ 6609.631555] -(0)[8448:kworker/u8:4]INIT: KN@MSDC Card insert<1> Block bad card<0> <- L<9729> PID<kworker/u8:4><0x2100>
[ 6609.639200] (0)[1129:systemd-logind]systemd-logind[1129]: Failed to apply ACLs: Operation not supported
[ 6609.650126] (0)[1129:systemd-logind]systemd-logind[1129]: Failed to apply ACLs: Operation not supported
[ 6609.756265] (1)[5951:kworker/u8:1][HIB/AUTOSLEEP][try_to_suspend]pm_suspend: state(3)
[ 6609.756279] (1)[5951:kworker/u8:1][HIB/AUTOSLEEP][try_to_suspend]calling pm_suspend() state(3)
[ 6609.756294] (1)[5951:kworker/u8:1]PM: suspend entry 2016-04-24 18:05:28.251898155 UTC
[ 6609.756328] (0)[8448:kworker/u8:4]++
[ 6609.762126] (0)[8448:kworker/u8:4]--
[ 6609.776259] (0)[82:display_idle_de][DISPCHECK][ddp_idle]primary display path is sleeped?? -- skip ddp_idle
[ 6609.756301] (1)[5951:kworker/u8:1]PM: Syncing filesystems ... done.
[ 6609.866704] (1)[5951:kworker/u8:1][battery_pm_event] pm_event 3
[ 6609.866715] (1)[5951:kworker/u8:1]@bs=1@
[ 6609.866724] (1)[5951:kworker/u8:1]Freezing user space processes ...
[ 6609.867172] (1)[5951:kworker/u8:1]active wakeup source: WLAN AHB ISR
[ 6609.867189] (1)[5951:kworker/u8:1]
[ 6609.867196] (1)[5951:kworker/u8:1]Freezing of tasks aborted after 0.000 seconds
[ 6609.867219] (1)[5951:kworker/u8:1]Restarting tasks ... done.
[ 6609.868604] (1)[5951:kworker/u8:1]msdc: 0,mmc_schedule_delayed_work ret= 1
[ 6609.868617] (1)[5951:kworker/u8:1]msdc: 1,mmc_schedule_delayed_work ret= 1
[ 6609.868625] (1)[5951:kworker/u8:1][battery_pm_event] pm_event 4
[ 6609.868634] (1)[5951:kworker/u8:1]battery resume NOT by pcm timer!!
[ 6609.868645] (1)[5951:kworker/u8:1]@bs=0@
[ 6609.868732] (1)[5951:kworker/u8:1]PM: suspend exit 2016-04-24 18:05:28.364335232 UTC
[ 6609.868765] (1)[5951:kworker/u8:1]active wakeup source: WLAN AHB ISR
[ 6609.868776] (1)[5951:kworker/u8:1]active wakeup source: mmc1_detect
[ 6609.868843] -(1)[8448:kworker/u8:4]INIT: KN@MSDC Card insert<1> Block bad card<0> <- L<9729> PID<kworker/u8:4><0x2100>
[ 6609.877457] (1)[1129:systemd-logind]systemd-logind[1129]: Failed to apply ACLs: Operation not supported
[ 6609.888378] (1)[1129:systemd-logind]systemd-logind[1129]: Failed to apply ACLs: Operation not supported
[ 6609.996304] (0)[5951:kworker/u8:1][HIB/AUTOSLEEP][try_to_suspend]pm_suspend: state(3)
[ 6609.996319] (0)[5951:kworker/u8:1][HIB/AUTOSLEEP][try_to_suspend]calling pm_suspend() state(3)
[ 6609.996335] (0)[5951:kworker/u8:1]PM: suspend entry 2016-04-24 18:05:28.491938462 UTC
[ 6609.996375] (1)[8448:kworker/u8:4]++
[ 6609.996501] (1)[104:mmcqd/0][BLOCK_TAG] mmcqd:104 Workload < 1%, duty 0, period 587114769, req_cnt=0
[ 6609.996514] (1)[104:mmcqd/0][BLOCK_TAG] vmstat (FP:108160)(FD:20)(ND:611648)(WB:0)(NW:596808)
[ 6610.002793] (0)[8448:kworker/u8:4]--
[ 6609.996341] (1)[5951:kworker/u8:1]PM: Syncing filesystems ... done.
[ 6610.106706] (1)[5951:kworker/u8:1][battery_pm_event] pm_event 3
[ 6610.106717] (1)[5951:kworker/u8:1]@bs=1@
[ 6610.106725] (1)[5951:kworker/u8:1]Freezing user space processes ...
[ 6610.107173] (1)[5951:kworker/u8:1]last active wakeup source: WLAN AHB ISR
[ 6610.107184] (1)[5951:kworker/u8:1]
[ 6610.107191] (1)[5951:kworker/u8:1]Freezing of tasks aborted after 0.000 seconds
[ 6610.107215] (1)[5951:kworker/u8:1]Restarting tasks ... done.
[ 6610.107849] (1)[5951:kworker/u8:1]msdc: 0,mmc_schedule_delayed_work ret= 1
[ 6610.107860] (1)[5951:kworker/u8:1]msdc: 1,mmc_schedule_delayed_work ret= 1
[ 6610.107869] (1)[5951:kworker/u8:1][battery_pm_event] pm_event 4
[ 6610.107877] (1)[5951:kworker/u8:1]battery resume NOT by pcm timer!!
[ 6610.107887] (1)[5951:kworker/u8:1]@bs=0@
[ 6610.107974] (1)[5951:kworker/u8:1]PM: suspend exit 2016-04-24 18:05:28.603578001 UTC
[ 6610.108008] (1)[5951:kworker/u8:1]active wakeup source: mmc1_detect
[ 6610.108099] -(1)[8448:kworker/u8:4]INIT: KN@MSDC Card insert<1> Block bad card<0> <- L<9729> PID<kworker/u8:4><0x2100>
[ 6610.108145] (1)[5951:kworker/u8:1][HIB/AUTOSLEEP][try_to_suspend]pm_suspend: state(3)
[ 6610.108155] (1)[5951:kworker/u8:1][HIB/AUTOSLEEP][try_to_suspend]calling pm_suspend() state(3)
[ 6610.108168] (1)[5951:kworker/u8:1]PM: suspend entry 2016-04-24 18:05:28.603773616 UTC
[ 6610.112080] (1)[8448:kworker/u8:4]++
[ 6610.120269] (1)[8448:kworker/u8:4]--
OTA-11 update and issue is still a problem. Syslog is flooded with the following messages. Current fix is to attach bt keyboard. Once connected, syslog stops being flooded by battery-pm-event.
+ kworker/ u8:1]-- kworker/ u8:0]PM: Syncing filesystems ... done. kworker/ u8:0][battery_ pm_event] pm_event 3 kworker/ u8:0]Freezing user space processes ... kworker/ u8:0]active wakeup source: WLAN AHB ISR kworker/ u8:0] kworker/ u8:0]Freezing of tasks aborted after 0.000 seconds kworker/ u8:0]Restarting tasks ... done. kworker/ u8:0]msdc: 0,mmc_schedule_ delayed_ work ret= 1 kworker/ u8:0]msdc: 1,mmc_schedule_ delayed_ work ret= 1 kworker/ u8:0][battery_ pm_event] pm_event 4 kworker/ u8:0]PM: suspend exit 2016-06-06 13:05:03.027101024 UTC kworker/ u8:0]WQ warning! work (try_to_suspend, kworker/ u8:0]active wakeup source: WLAN AHB ISR kworker/ u8:0]active wakeup source: mmc1_detect -(0)[77: kworker/ u8:1]INIT: KN@MSDC Card insert<0> Block bad u8:1><0x4d> kworker/ u8:1]INFO: KN@MSDC [MSDC1] MCLK (260KHz), HCLK(200MHz), u8:1><0x4d> kworker/ u8:1]INFO: KN@MSDC msdc1 -> !!! Set<260KHz> u8:1><0x4d> kworker/ u8:0][HIB/ AUTOSLEEP] [try_to_ suspend] pm_suspend: state(3) kworker/ u8:0][HIB/ AUTOSLEEP] [try_to_ suspend] calling kworker/ u8:0]PM: suspend entry 2016-06-06 13:05:03.118097485 UTC kworker/ u8:1]++ kworker/ u8:1]--
> Jun 6 09:05:02 ubuntu-phablet kernel: [ 424.269572]
> (0)[77:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.262366]
> (0)[4571:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.380058]
> (0)[4571:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.380074]
> (0)[4571:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.380432]
> (0)[4571:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.380448]
> (0)[4571:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.380455]
> (0)[4571:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.380479]
> (0)[4571:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.381303]
> (0)[4571:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.381315]
> (0)[4571:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.381323]
> (0)[4571:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.381409]
> (0)[4571:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.381423]
> (0)[4571:
> ffffffc000da6a60) execute more than 1 sec, time: 4853026077 ns
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.381452]
> (0)[4571:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.381461]
> (0)[4571:
> Jun 6 09:05:03 ubuntu-phablet kernel: [
> 424.381780]
> card<0> <- L<9729> PID<kworker/
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.382080]
> (0)[77:
> SCLK(259kHz) MODE(0) DIV(193) buswidth(1-bits)
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.382080] <- L<9359>
> PID<kworker/
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.382398]
> (0)[77:
> Source<200000KHz> -> sclk<259KHz> state<0> mode<0> div<193>
> hs400_src<0> buswidth<1-bit> <- L<3289> PID<kworker/
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.472375]
> (0)[4571:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.472390]
> (0)[4571:
> pm_suspend() state(3)
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.472405]
> (0)[4571:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.472447]
> (0)[77:
> Jun 6 09:05:03 ubuntu-phablet kernel: [ 424.481024]
> (0)[77:
> Jun 6 09:0...