Questions tagged [logging]

Logging is the process by which the system records what's going on - i.e. events, errors, warnings, and related information. Most apps provide details in log files, so the system logs help to debug problems.

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14 views

Find out which bluetooth version a given connection is using?

Android 10, non-rooted phone, multiple Bluetooth devices connected. I would like to find out which Bluetooth version (4, 4.1, 4.2, 5) a given BT-LE device is using. All I can see in adb logcat is that ...
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Device shuts down spontaneously, need help to investigate

I recently got faulty Xperia XA2 in my hands. Everything is brand new and works perfectly, except device shuts down after short period of inactivity. On stock ROM it shuts down if the screen is turned ...
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As a non-developer, how do I download logs so I can help diagnose why an app is crashing? [duplicate]

I am not an Android developer, but one of the apps I use is now saying "Unfortunately ... has stopped." I would like to look at the system logs to help figure out why, but all I can find is ...
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Android Boot Logs Before Logo

BTW, I am wanting to know what Android Boot Logs come before the Android Boot Logo. I see an Android Boot Logo, and I have to hold the power button, but what does it show in the boot logs in the ...
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44 views

How can I see the history log of system updates

I need to know the history log of system updates "ROM / OTA updates", is there any file on the device can I know this information?
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36 views

Identify the source process and/or app from an output in the logcat

When I plug my phone into my computer, I can see the logcat output in Android Studio. I recently noticed that whenever I start entering a password in a field designated for passwords (the ones that ...
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Need Logs proof info about File Transfer copy/mv of my IMG files usb connection sowehow of hijacked rooted android

can you Help me get Logs or info about "File Access (copy/mv/pull) of my IMG files? happended through unallowed usb connection" by Syslog / etc from my unlocked / rooted, "debug allowed&...
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28 views

need help in deciphering the logs of my bootlooping phone

I am trying to fix my phone that got stuck at a bootloop. Earlier it died out of battery and rebooted when I plugged it in and went on a bootloop, I did a lot of things between my last reboot and this ...
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Help reading Last Kernel Log — Tablet crashing?

I have a Lenovo A10-70F Android marshmallow tablet that is experiencing random full-system crashing. I've recently replaced the battery and factory reset the device yet the crashing continues. The ...
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Simulate color space changes randomly

since yesterday every time I open Instgram or Twitter, the "Simulate colour space" dev setting gets modified to monochromacy. I already used logcat to check for source: 06-23 10:50:35.893 ...
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Purpose of MTK Logger

All phones with Mediatek processors have this pre-installed logging application and the data it collects is massive,right up to the plugging/out of the phone from the charger. What is this service ...
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32 views

How to log errors when using adb pull?

I am using the latest version of adb with the pull command to backup my data. Sometimes adb pull doesn't backup all of my files, so I am trying to figure out which files have not been backed up. ...
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Unable to take kernel logs on a non-rooted device [duplicate]

I am trying to take kernel logs but so far have only got errors like 'permission denied', 'path does not exist' or 'kernel log does not exist'. I have tried this kernel panic link, this crash logs ...
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Deducing problems using device logs

kinda new to debugging here. I'm running a custom rom on my device and I've started to get random reboots. I wanted to look at logs and find out. But I don't really know what to look for in these logs....
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27 views

Reading system logcat using a script

Is it possible to read the android system logcat without connecting the device to the phone using an script or an application. So i can further extract the data from logcat to my Machine learning ...
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1answer
107 views

An Pixel XL phone shutdown by itself

My Pixel XL phone rencently always turns off by itself. Most times it turned off just after starting up, a few times it worked longer and everything looks fine. when it happend, a "phone is shuting ...
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231 views

Random Media Pauses

I have a strange problem that started recently where media I'm listening to/watching will randomly pause. It happens both when playing on my phone and when playing over bluetooth to my car or ...
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435 views

How to get installation log (either from adb install or manual install)

The question is what to grep/filter? adb logcat | grep what? adb install file.apk tried with grep apk and manual install, but it contains no useful information: 01-25 17:29:05.721 4241 6322 I ...
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231 views

Record log before device reboots

I need to record an log even if device restarts cause when I open a specific app my phone restarts so I need to log why.
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320 views

Access HCI bluetooth log from Samsung s8

I have enabled the developer setting "Enable Bluetooth HCI snoop log", toggled the Bluetooth setting and restarted the phone. I have not being able to find the log files anywhere and was wondering how ...
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259 views

How to see Android OS System log file?

After leaving my Samsung Galaxy A-30 phone (with Android 9) for a few hours unbelievably I understood all of my internal storage is cleaned! I don't remember that I have installed any suspicious app ...
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1answer
46 views

How to find the app that creates a sound every morning?

My Android phone generates a sound at 8:00 AM every day. It doesn't display anything on the screen while and after the sound being played. I guess this sound is created by one of my 100+ apps on the ...
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1answer
447 views

Retrieve stored logger data (Android Oreo or Pie, maybe even higher)

I found an option to store logs: Settings -> System -> Advanced -> Developer options -> Store logger data persistently on device. I wonder where these logs are saved and how we retrieve them. I ...
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269 views

what in xposed caused this bootloop and how to prevent it from happening again?

My android phone is stuck in a boot loop. To troubleshoot it I was able to boot into TWPR and use adb pull /sys/fs/pstore/console-ramoops to get some boot logs (is that even the right file?). When ...
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335 views

Access Android log files for specific periods on android 7

Is it possible to access old log files,lets say 3 months old, to see the usage on the android device, by usage i mean, any app installed or unistalled, time spent online, via wifi or cellular, time ...
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745 views

Can't find call log from adb shell

Phone is a Samsung Galaxy E5 SM-E500m (lte, dual chip, codename e5lte). Android version 5.1.1 "lollipop" Stock ROM. I pulled the database file from /data/data/com.android.providers.contacts/databases/...
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3k views

How can I enable last_kmsg?

I'm trying to diagnose a random reboot on LineageOS 14. last_kmsg is not in /proc, nor it is in /sys/fs/pstore/console-ramoops. EDIT: ~# mount | grep PSTORE ~# mkdir /mnt/pstore && mount ...
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5k views

How can I view Wi-Fi connection history?

I want to view wi-fi connection history on my Android phone. Specifically, I want to know which networks the phones was connected to & disconnected from & when. Edit: My phone is a Nexus 5x (...
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Is there a way to create a history of TCP/UDP sockets opened in android?

Is there a log with this info? I know proc shows the ones opened at the moment but I need to see the ones that are already close
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166 views

Meaning of abbreviations (DP, KP, NP, RP) concerning POWER OFF RESET REASON in logcat / bugreport

I have a Samsung Galaxy A7 2018 phone, and it is subject to frequent unexpected reboots/shutdowns. To try and pinpoint their cause, I extracted bugreports using adb bugreport. In the main bugreport ...
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1answer
361 views

How do I diagnose the last shutdown? adb root?

Everything I've read indicates /proc/last_kmsg used to be how, however that seems to have changed with Android 6.0 (I'm on 8.1). I've also seen reference to /sys/fs/pstore/console-ramoops for Android ...
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39 views

Samsung Galaxy S5 upgraded Chrome version from 55 to 73. adb logcat not tracking network calls

I am developing automation test suite for monitoring Chrome browsers network calls on Android mobile device. My code was working fine with Chrome v72. After upgrading Chrome version to 73. My code is ...
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218 views

Access the call-log to complement what has been banned by policy

I used to use Appliqato's Call Recorder. A few days ago Google Play's policy changed so no call-recording application could access the call-log information. This means now the calls are like "...
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137 views

Phone/Text/Contact History?

Does Android keep a log of numbers contacted similar to the Phone Call Log/History but for texts? My mother accidentally deleted a bunch of texts. The actually messages themselves are unimportant, ...
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68 views

Phone reboots randomly

Bought 'Redmi Note 4' phone a year ago. Random reboot issue started happening after 6 months. Did root & had flashed old/new/unofficial ROMS on my phone afterwards, uninstalled CPU hogging apps ...
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1answer
187 views

How to prevent unwanted DBG_FMMDM spam from filling up your logcat buffers

I asked this question on Stack Overflow but was advised to ask it here. I am attempting to debug an error using logcat in Android Studio on my testing device, a Galaxy s9 plus running Pie. Suddenly I ...
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96 views

Strange characters in logcat

I'm by no means an android developer, so excuse me if that's a stupid question. I'm trying to debug an app from my (Austrian) bank, which doesn't let me access my NFC-SIM - some problems with the ...
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1k views

Why reading permission to /proc/1/maps is denied and why doesn't the denial appear in logcat?

I'm developing a native app for Android, and I'm occasionally confronted with permission denied which doesn't trigger a log in the logcat logs. For example, trying to run: shell@kltevzw:/ $ cat /proc/...
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227 views

Unable to login to Google account after reflashing gapps (LineageOS 14.1)

today I ran into some trouble and had to reflash my LineageOS system and with that my GApps. After reflashing (dirty flash, by the way) I could not login to my Google account anymore. After logging in,...
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581 views

How to log/record system events or phone vibrations - Problem with Huawei Mate 20 Pro

I have a Huawei Mate 20 Pro. Awesome phone, I love it. I live in Canada, and have the model LYA-L0C. My phone is set to vibrate, so anytime I get a text or a FB message or messages from other apps ...
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1answer
430 views

Log with timing of system events (e,g, Flight Mode on/off)

I would like to find out at what time my phone (running Android 8.0.0) was last switched into/out of Flight (Airplane) Mode. Ideally, this would be part of a longer log with the timestamps of the last ...
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1answer
3k views

How to disable “logd” logging?

The /data/misc/logd/ directory is filled with 256 MB log files. Currently I don't need debug log files, so I would like to turn off logging. Partial solution: It seems I can turn off with the ...
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1answer
88 views

My phone dials #3282 (#DATA) by itself. Which app did it?

For about the last month, I occasionally find my Cricket Samsung Amp Prime (Android 7.1.1) dialing #3282 (#DATA) without me initiating it. According to my call log, it started on October 1, 2018. It ...
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1answer
42 views

How to export the activity of my phone in the last 8 hours?

Is it possible to download or export the activity or logs of my phone in the last 8 hours? My phone has been stolen but was found shortly after and I would like to know what apps were started and ...
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1answer
400 views

Are android system kernel panic logs available in TWRP recovery?

I am trying to debug a rom I built but can't seem to find the any kernel panic or system logs in TWRP recovery. Is it possible to create logs for a failed boot to see whats going wrong? I am still ...
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2k views

Meaning of fields in “Enable Wi-Fi verbose logging”

Does anyone have a link to clear docs on the meaning of all the fields for Wi-Fi networks when I Enable Wi-Fi verbose logging in the developer options? I can guess a few and worst case I can read the ...
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1answer
490 views

How to store 'adb devices -l' output to a text file?

Is there any way to store the output of adb devices -l command to a text file? Note: output of adb devices -l command is List of devices attached 1101530abd5a234b device product:j1pop3hjv ...
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117 views

Found this info in my Google doc app not sure how it got there

I found this information in my Google documents app. I am not sure how it got there. I am wanting to know what it is and what is the meaning. Log_1522393200000.txt 2018/03/29 21:13 screen w,h,d=...
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554 views

How to fix ADB logcat error?

I want to save logs contains to file: adb -s xxxxxx logcat -b main > /paths/to/log/file.log /system/bin/sh: can't create /home/dpi/Desktop/Folder/main.log: No such file or directory
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Tasker service still want to start after uninstalling it

Here is a warning from my Logcat 07:04:44.099 ActivityManager( 1143) Unable to start service Intent { act=android.service.notification.NotificationListenerService cmp=net.dinglisch.android....

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