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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Can a user read crash logs on Android?

I have HTC One X running Android 4.2.2 with HTC Sense 5. Lately I have been encountering some wierd issues. And the most irritating of them is that my phone keeps crashing randomly. By ...
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16 views

Tracking down which app makes HTTP requests

After configuring my Galaxy S4 (Android 4.4.2) phone to use a proxy server for debugging an app, I noticed that other apps on my device were making some suspicious HTTP calls. I would like to track ...
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1answer
29 views

Looking for a log file telling me when my phone was on?

My android 4.4.3 phone was off and in storage but when I got it back the battery was flat and there was some stuff on facebook I can't account for. Is there any log files which would confirm when my ...
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2answers
2k views

What is the format of Android's logs?

I'm trying to gather data about my phone by analyzing the log files in /dev/log. I'm specifically looking at /dev/log/main. I always thought that any sane log format would be plain text, yet these ...
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1answer
550 views

Android early boot console over usb

I'm trying to port newer kernel versions onto my Nexus S device. Most newer kernels panic very early on in the boot process. I would like to debug this. However, since the phone has been provided to ...
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0answers
11 views

My android restarts when I use 3G network. How to debug this?

I am using Android 4.1.2 in a Samsung Galaxy S2 Lite. Using wifi is fine, but if I use 3G, in some minutes the cellphone just RESTART from nothing. It happens always near my house. In other places it ...
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16 views

Resources on how to decipher Android Error logs

Are there any resources that explain how to read logs for troubleshooting purposes. Mainly the fatal errors and warnings. It can be confusing but may help explain why a issue occurs could check the ...
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15 views

missed calls in Android not shown in log

I have a Samsung Galaxy Young with Android 2.3.5. Today I have been told that my phone rang while I was away and when I looked at the lock screen I sax that there has been this red band indicating a ...
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55 views

Wiko Iggy draining too battery and strange log in the Android Developer Tool

My girlfriend complain that her Wiko Iggy (stock jelly bean 4.2.2 and stock rom) drain too much battery. I usually develop android app with ADT and my galaxy nexus, but today I tried her mobile. My ...
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1answer
317 views

Are those log files in /storage/sdcard0/log necessary?

On my SGS2 (GT-I9100, Android 4.1.2), 1.2GB of log files piled up in the folder /storage/sdcard0/log . I have almost no space left on the internal SD card and a lot of the space is used by those ...
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1answer
53 views

What application turn on wifi/GPS?

What application turn on wifi/GPS at specific moment (adb logcat or what tools to use, what strings look for)? What installed application able to turn on wifi/GPS? Or more generally how I can get ...
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0answers
37 views

Where can I find HTC error report log?

HTC devices offer sending error report to HTC after the device crashes. Before sending the report you can view the error log. However there's no option for saving it (at least I haven't found one). Is ...
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0answers
18 views

What possibilities of diagnosis do I have when my phone crashes?

My phone crashes or shuts down (I am unable to differntiate) and I want to find out why. From Linux I am used to syslog etc. I fear with an unrooted phone, I have little chances to read it out? So ...
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2answers
645 views

History of files sent over Bluetooth?

Does Android keep a history of the files sent via Bluetooth? I didn't see anything like that in the user interface (there's a log of received files, but not sent ones), but maybe there's a hidden log ...
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1answer
27 views

Auditing application's use of GPS

There is an application on my phone that triggers the GPS at random intervals. The start of this polling doesn't correlate with any newly installed applications so I imagine a recent update or ...
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1answer
75 views

Why are there a ton of Logcat processes slowing down phone?

I noticed a major slowdown on 2.2.2 Android, and it looks as though it's caused by too many logcat processes. With adb shell, I ran ps | wc -l and there were about 400 processes, after running killall ...
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2answers
90 views

How do I begin to troubleshoot aCal?

I'm running aCal on my Samsung Galaxy S / Gingerbread and it isn't updating. Adding events pushes them out to my CalDAV server, but I don't see any events. In aLogcat I see an awful lot of errors: ...
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1answer
21 views

Apps spamming my log

I've been looking at my log recently for more development of android applications, and I've noticed my log is spammed with all sorts of information that I wouldn't considered needed to be logged. ...
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2answers
602 views

Clearing logcat on HTC one X

I've faced with insufficient storage problem on my HTC One X (rooted, stock ROM 4.2.2, CWM recovery). I've solve this problem before on a Samsung device by dialing *#9900# then press Delete ...
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1answer
27 views

Where is the old DDMS debugging log (logged before I my smartphone gets turned off)

Where are old DDMS debugging logs that are logged before my smartphone is turned off? I forgot to keep my logs before I turned it off yesterday. I usually enable debugging mode in case of suspicious ...
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1answer
495 views

Is it possible to disable logcat logging for an application?

Is it possible to disable logging to the logcat for an application (APK) in Android entirely. Since i make heavy use of my logcat output, I'd like to see only bits that are relevant to me but there ...
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3answers
9k views

What are these dumpstate logs?

So, these files were filling up my /data/logs directory, causing me to run out of storage space rapidly. What are they, why are there so many and how can I stop them clogging my storage? Screenshot ...
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1answer
505 views

How can I determine what is causing my Nexus 4 to freeze?

I have a new-ish Nexus 4 with Cataclysm ROM installed (rooted, 4.3). The device has recently started freezing - being unresponsive to button presses, but with the white LED pulsing. I have to ...
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1answer
1k views

Empty /data/log folder

I have Galaxy Sii s9100 with CM 10.2 (android 4.3) I am encountering the bug that fill the folder /data/log and display the notfication "Storage space running out" I can see that the problem is ...
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252 views

Help with dumpstate log in my Galaxt S2?

I have a Samsung Galaxy S2 with CM 10.2. When I run the *#9900# I get the following error: Connection problem or invalid MMI code Also, I tried to install the app 'Logs Eraser' from Liam W. ...
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0answers
79 views

Writing to /dev/log/main from command line

It is possible to write encoded messages into /dev/log/main and then see them in the adb logcat output. The command should be executable through adb from the host PC. Ideally, it should look like: ...
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2answers
37k views

Samsung Galaxy S3 black screen and automatic reboots

I have a Samsung Galaxy S3, purchased on July 2012. Sometimes, when I press the power button, the screen keeps black. The button LEDs turn on, but nothing else happens, and I have to remove the ...
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7answers
582 views

How can I monitor and log data connection mode and rate, and log with location?

I would like to understand what connection type and theoretical data rate my phone is using for its data connection, and how it changes with different locations. I'm not looking for an actual data ...
4
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1answer
273 views

Is there a way to get detailed information on why an OTA update fails?

I'm trying to figure out why my OTA update is failing. I have unrooted my Droid Bionic, and did a factory reset. It starts to update, then reaches about a quarter of the way and stops. It just ...
2
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1answer
391 views

What would cause the existence of a /sdcard/logfile.log?

Since quite some time I've been getting a file /sdcard/logfile.log which gets really big quickly, last time I checked it was about 2MB. That file seems a general system log since I remember seeing ...
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1answer
263 views

How can I get an infinite callhistory in CyanogenMod 10.0?

I would like to have all calls I ever called or called me in the history. Is this possible?
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1answer
212 views

What Options Are Available For Viewing the LogCat?

I recently had to capture my logcat for my HTC EVO 4G device to try and identify the reason why updates sometimes fail claiming there is insufficient memory (issue discussed more extensively here). ...
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0answers
56 views

Is there any way to dump the Data Usage log through the ADB shell?

The reason I would need to dump these data is because in smalls display (S5301) doesn't fit everything and data is cut. I couldn't do anything to move that graphic. Look, I've searched in Google ...
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1answer
103 views

How old is the datalog when just starting “logcat”?

When I run adb -d logcat it dumps data from a time before. How old is that data?
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2answers
9k views

How can I access android log files on my Nexus 7 without root access?

Since aLogcat now no longer works with Jelly Bean, how can I access the system log files on my device without either root access or attaching it to a computer? I have tried using adb logcat from my ...
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1answer
150 views

Where and how do I read logs for a specific app?

I know there are a lot of threads about android logs but I can't find an answer to this: Where and how do I read logs for a specific app? I have installed the Android SDK, connected my device and ...
2
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1answer
478 views

How active should I expect my Jelly Bean system log file to be?

When using aLogcat to view my Android log files, I find very few messages showing up in any of the views. Selecting Verbose level and no filter, I see that Main contains mostly garbage collection ...
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1answer
98 views

ADB_SERVICES error on catlog errno = 5 I/O error

I'm using catlog to find error for an issue. Although that issue did not reappear , I see a constant Error ADB_SERVICES ERROR: fd = 13, n = -1, errno = 5 (I/O error). Sorry quite new to all this , ...
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1answer
241 views

How can I monitor and log the connections to my phone's wireless hotspot?

I'm sure the phone will be logging all connections and connection attempts when it is used to set up a wireless hotspot - my question is how can I view these logs? If the default setting is not to ...
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1answer
898 views

rmt_storage keeps polling and spam logcat

In logcat I can see rmt_storage keeps doing something every 2/3 seconds I/rmt_storage(15279): rmt_storage open success I/rmt_storage(15279): rmt_storage shared memory ioctl success ...
2
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0answers
41 views

Getting the activities of the user

Is it possible to get a list of user activities? I want to know when the phone was opened, when it was locked, etc. Just the basic things.
2
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0answers
2k views

Debugging Galaxy S2 Bluetooth problem: Bluetooth disconnects, Bluetooth status never fully turns on, Only reboot resolves this

I know many have problems with Bluetooth and certain car kits. I specifically have a VW. In any case, my Galaxy disconnects from not only my car, but also from my Philips in home audio system. In both ...
7
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2answers
8k views

Problems accessing message logs on Jelly Bean with aLogcat

Summary I have been having problems accessing the K9 log messages using aLogcat, see below for more details. What I would like to know is: Why are no log messages from K9 appearing in the aLogcat ...
2
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1answer
102 views

What does the error message “Light old sensor_state 0, new sensor_state : 128 en : 1” in logcat mean?

I have my Galaxy S4 connected with my PC and ran the "Building My First App" tutorial from http://developer.android.com/ . There were no problems, but I noticed many messages about the LightSensor in ...
3
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3answers
10k views

Can I delete the log files on my device?

I'm currently developing on an Android 2.3.4 device. I've got root access to the file system, and I'm looking for the location of the system log files (like /var/log) so that I can delete them, but ...
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1answer
1k views

How to get dumpstate logs in samsung galaxy grand?

While working on my app, I have faced app crash. But I can't get any dumpstate log from data/log folder. So what is the solution to get dumpstate. Or I have to create any folder on my app name in data ...
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2answers
859 views

Bug Report and Power-Bug Report Functions not working on Nexus 7 Android 4.3

I need to gather log info for QA testing. The settings menu "Bug Report" and the power menu "Bug Report" functions don't work for me on my Nexus 7 running Jellybean 4.3 (don't know if it ever worked ...
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3answers
428 views

Can the on-board ADB Server find the device itself?

I know that Android devices have an on-board adb server. I am able to start the server through the terminal emulator and run adb commands, but the device itself does not show up in the device list. ...
2
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2answers
2k views

How to find the app that causes crashes?

Where should I begin the hunt for the cause of crashes / reboots when logging apps do not work anymore?
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1answer
200 views

How do I get the log files on my Optima Smart 220?

I want to access the log files of my tablet (Optima Smart 220, running 4.1.1 Jelly Bean). Also, how do I root this device so I can get the log files?