[Nexus 6P Q&A, Help & Troubleshooting] TheTecXpert:
LOL i kept reading through the logcat and come across what i believe to be the issue. and it still goes back to what i was telling you all this time..

You're definitely doing something wrong.. and im not saying it to offend you.. im just trying to get this sorted out for you otherwise i wont be satisfied :)

If you're still up for it.. then lets proceed..

But first, I'm going to tell you the same thing i told you earlier and i was spot on... After reading through your logcat even further i came across so many errors and fatals errors especially packagemanager errors.. I stopped reading half way because there were literally soooo many..

Scenario 1.

You either have a corrupted backup, or a corrupted/buggy system (rom)..

Because not only are you restoring your apps, but you also might be restoring settings that you may have backed up along with your apps..

So therefore what you have done is you have done a clean installation of your rom.. then you flashed your gapps... then you proceeded with the initial phone setup... once you were all setup you went ahead and restored all of your backed up apps.. did you backup your systems settings along with your apps?? and if you did, did you restore your system settings as well??

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these errors,warning and fatals that im seeing in your logcat is a clear indication that there is definitely something very wrong within your kernel, settings, rom and/or apps..

In all honesty mate start completely from scratch...

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here are some errors i cherry picked out of your logcat which i saw as Relevant..

09-03 02:29:41.539 18945 19172 W MountService: No primary storage mounted!

09-03 02:29:41.550 18945 19172 W PackageManager: Unknown permission com.google.android.voicesearch.SHORTCUTS_ACCESS in package com.google.android.googlequicksearchbox

09-03 02:29:41.550 18945 19172 W PackageManager: Unknown permission com.google.android.voicesearch.ACCESS_SETTINGS in package com.google.android.googlequicksearchbox

09-03 02:29:41.550 18945 19172 W PackageManager: Unknown permission com.android.browser.permission.PRELOAD in package com.google.android.googlequicksearchbox

09-03 02:29:41.550 18945 19172 W PackageManager: Unknown permission com.google.android.ears.permission.WRITE in package com.google.android.googlequicksearchbox

09-03 02:29:41.550 18945 19172 W PackageManager: Unknown permission com.google.android.apps.googlevoice.permission.AUTO_SEND in package com.google.android.googlequicksearchbox

09-03 02:29:41.550 18945 19172 W PackageManager: Unknown permission com.android.chrome.PRERENDER_URL in package com.google.android.googlequicksearchbox

09-03 02:29:41.551 18945 19172 W PackageManager: Not granting permission android.permission.INTERACT_ACROSS_USERS_FULL to package org.cyanogenmod.snap (protectionLevel=258 flags=0x3858bc45)

09-03 02:29:41.551 18945 19172 W PackageManager: Not granting permission android.permission.SET_ORIENTATION to package org.cyanogenmod.snap (protectionLevel=2 flags=0x3858bc45)

09-03 02:29:41.569 18945 19172 W PackageManager: Unknown permission com.android.launcher.permission.READ_SETTINGS in package com.google.android.launcher

09-03 02:29:41.569 18945 19172 W PackageManager: Unknown permission com.android.launcher.permission.WRITE_SETTINGS in package com.google.android.launcher

09-03 02:29:41.572 18945 19172 W PackageManager: Unknown permission android.permission.READ_OWNER_DATA in package com.google.android.setupwizard

09-03 02:29:41.572 18945 19172 W PackageManager: Unknown permission android.permission.WRITE_OWNER_DATA in package com.google.android.setupwizard

09-03 02:29:41.572 18945 19172 W PackageManager: Not granting permission android.permission.STATUS_BAR to package com.intangibleobject.securesettings.

09-03 02:29:41.582 18945 19172 W PackageManager: Unknown permission android.permission.READ_OEM_UNLOCK_STATE in package com.google.android.gms

09-03 02:29:41.582 18945 19172 W PackageManager: Unknown permission com.google.android.wh.supervisor.permission.ACCESS_METADATA_SERVICE in package com.google.android.gms

09-03 02:29:41.799 18945 19172 W MountService: No primary storage defined yet; hacking together a stub

09-03 02:29:41.800 18945 19172 W MountService: No primary storage defined yet; hacking together a stub

09-03 02:29:42.268 18945 18976 E KernelCpuSpeedReader: Failed to read cpu-freq: /sys/devices/system/cpu/cpu4/cpufreq/stats/time_in_state: open failed: ENOENT (No such file or directory)

09-03 02:29:43.328 551 551 E fingerprintd: Wrong fp version. Expected 512, got 256

09-03 02:30:04.916 531 531 E installd: Unable to unlink boot marker at /data/dalvik-cache/arm/.booting, error=No such file or directory

09-03 02:30:04.916 18945 18995 E ActivityManager: Unable to mark boot complete for abi: armeabi-v7a

You get the idea.. Have you considered using TWRP as your recovery and flashing a custom rom through twrp ??

Anyway it all comes down to you at the end of the day.. If you're willing to try out a differetnt solution in the mean time, just let me know..

Just, whatever you do decide to do... I highly advise you NOT to restore your backup yet, if at all.. you need to make sure your ROOT app is working properly and that your SU Binaries are all up to date first.. and also make sure busybox is installed as well..

well.. i think im worn out for tonight.. lol.. im gonna take a break from thinking for a while :P..

take care, and let me know what you end up doing :)

EDIT: before i forget

***NOTE*** Make sure you enable the developer options, enable oem unlock, allow unknown app sources (if option is available).. (you probably have already, but i thought id remind you incase you had forgotten)

---------- Post added at 03:37 PM ---------- Previous post was at 03:24 PM ----------

here's something you might like to have a read of... even just for your own leisure :)

http://www.androidcentral.com/how-get-android-70-nougat-your-nexus-right-now

:)