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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AbsListView on Samsung Galaxy's logcat running Android 4.3 JellyBean

I've been having an issue on my Galaxy S4 following the 4.3 update whereby it will occasionally reboot the phone then go into a reboot loop. If connected to a charge the loop will stop and the battery ...
2
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1answer
1k 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 ...
3
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0answers
452 views

How to Diagnose WiFi Issues?

My Samsung Galaxy S4 (GT-I9515) with Android 5.0.1 does not connect to one particular WiFi any more - the Eduroam network at my workplace. The network is listed in the available networks list, with ...
2
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0answers
20 views

Phantom noise diagnosis: logcat included

I've got brand new Moto X Style. Great phone, but I have a weird issue which I'm trying to diagnose. My phone sometimes makes that volume change acknowledgement noise without any interaction. If you ...
2
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0answers
446 views

Read more about system incidents in Diagnostic application?

Long story short, we bought a new phone: Sony Xperia M4 Aqua dual SIM 16GB version. The phone is on with Android 5.0 and is pretty new, but he doesn't stop keeping restarting itself. (he just blink 2 ...
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0answers
102 views

How to troubleshot: IpcThreadState log spam / system_server eating battery

The last days, i encounter the issue of my phone draining its battery fast (about 10-15%/h when idle). I'm trying to see what's happening, there are no unusual or suspicious alarms or wake locks. ...
2
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0answers
11k views

List of purchased apps and app install/uninstall history log anywhere?

My device was damaged and since then I've had to order a hardware replacement. Given that all purchases and application installs/uninstalls via Google Play Store are carried out in connection with my ...
2
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0answers
4k 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 ...
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0answers
44 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
849 views

Music playback stops randomly

I have bought the Xperia ZQ (Xperia ZL's alias in Brazil) C6503. I am experiencing a very annoying problem: from time to time the audio playback in any audio app just stops. If I hit play again it ...
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549 views

How can I see bootloader stdout debugging messages?

I'm trying to understand the mechanisms of the Android bootloader. The source code for this is here: ...
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23 views

Is there something like memcheck and fdisk for android?

Basically I want to connect my android asus to my computer and then do fdisk and memcheck. I suspected that the disk is not perfect and so is the memory. Sometimes it crashes with no reason.
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0answers
62 views

Find out when the memory card was removed

A very strange thing happened today. My roommate was complaining that his memory card went missing this afternoon. And now I found that my memory card is also missing. I don't know what to say. It ...
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0answers
249 views

Swiftkey (or other app/system?) slowness. How to find the cause?

Since the last 2 months, my SwiftKey keyboard has been at times almost unusable: keystrokes are lost and taps are understood as swipes. This doesn't always happen, and together with the fact that its ...
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0answers
127 views

Unable to read from '/sys/class/leds/wled:backlight/max_current'

I updated my Sony Z1 Compact to 5.0. And now every 50ms I see message in LogCat Unable to read from '/sys/class/leds/wled:backlight/max_current' What's the problem? And how can i resolve it?
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70 views

phone crashing constantly

can you help me discover what is causing my phone to crash? I've been having this problem for a while now but it seems to be getting worse. it happens at random and is almost like a RAM seizure. the ...
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0answers
291 views

Low internal memory led to installation error

OK, so this is the problem. I own a lenovo idea tab A3000, with no SIM cards inserted( that results in impossibility of using a dial pad) but rooted. Android version 4.2.2 . Like many other users, I ...
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0answers
75 views

Nexus 10 does not show stacktraces anymore

I have an Nexus 10 with Android 4.4.4 (Stock, no root). Today I noticed a strange behaviour: When an App crashes, the device doesn't show the Stacktrace in Logcat. I purposely implemented a Bug in ...
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0answers
1k views

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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107 views

Galaxy S2 Lite restarts when using 3G network

I am using Samsung Galaxy S2 Lite running on Android 4.1.2. Using WiFi is fine, but if I use 3G, in some minutes the phone just restarts from nothing. It happens always near my house. In other places ...
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0answers
178 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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0answers
25 views

What is FxStreamingTexture and why does it fill up my logcat?

My locgat is full of such lines: 01-05 10:46:40.939: D/FxStreamingTexture(3948): BasicFuture_get return m_value = android.graphics.Bitmap@4074d6b8 How can I get rid of them?
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234 views

What is the origin and purpose of RS_##.log files?

On my Galaxy S3 (I747, rooted stock ROM, 4.1.1 jellybean), there are a number (currently 66) of files in /data with names following the format RS_##.log, where ## is a 1 or 2 digit number, currently ...
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62 views

How log logcat in a bootloop?

I have a Pipo X8 device, and I want to log logcat output because it gets stuck in a bootloop when I try to install Xposed framework. The problem is that there is no USB, thus no USB-debugging, and ...
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0answers
90 views

Play Store crashes after converting to system app

Im on KK 4.4.2 I converted google play store and google play services to system apps since they were hogging a lot of space with their updates. I used romtoolkit to convert them to sys apps after ...
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0answers
25 views

Internet browser not logging in to SE

Some time ago, I asked this question on Meta. It seemed I could not log in to SE from the mobile. Then I realized it was actually the Internet browser (the default "Internet" browser app) that did not ...
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22 views

How to find logs of unhandled exceptions in Android?

In Windows, when an application crashes because of an unhandled exception, there is a place called Event Viewer that gives a good amount of informative data about the process being crashed down. ...
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0answers
34 views

How to show all braodcast events of a particular app?

I know its possible to show all broadcast events/intents that are triggered in android. But I wanted to list all the broadcast events of a particular android app. My purpose is, I want to test a ...
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0answers
69 views

How to log all user interaction on my device?

I would like to know whether on an Android device it is possible to: Log the date and time of every time a password is entered on my Android phone (this security measure would mean that if someone ...
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0answers
42 views

How to store list of installed (paid and unpaid) apps to a log file?

I would like to store a list of all paid and unpaid apps in a log file (which I would then upload to Google Drive or FTP to some other server). This way if my phone is lost, stolen, or breaks, I will ...
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0answers
19 views

Is this a A2Dp logging bug, or am I missing something?

I'm working on an automatic test for something, and to do it I'm parsing logcat. Part of my test includes knowing when A2Dp has begun playing sound. When my headset is connected, and nothing is ...
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147 views

What is the difference between “beginning of main” in logcat and bugreport

I see that "beginning of main" section is present in both, logcat as well as bugreport. What is the difference between the two?
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27 views

Debugging faulty Andriod apps

Okay I am running a Cyanogenmod Nightly build on my Samsung Galaxy P1000. The problem is that it has a camera app that crashes if I switch to video recording mode. The worst part is that I don't know ...
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242 views

How are the commands “log” and “logwrapper” used?

I'm trying to figure out the usage of "log" and "logwrapper" command but so far cannot find out a good manual. (E.g. This is a very good manual written for "logcat"). I'm looking for a real-time ...
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0answers
194 views

How to enable bootloader logs

I am working on a OEM project in Android. I want to take bootloader logs immediately after rebooting my device. How to take bootloader logs?
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0answers
139 views

View when a known Bluetooth device was last connected

I somehow managed to loose my LG G Watch, and it has now been about 2 weeks :/ Around the time that I lost it, I was doing some traveling, so I am trying to figure out where exactly me device might ...
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0answers
289 views

How to clear sysdump logs from Asus Zenfone 5?

I have an ASUS Zenfone 5 (501CG) 16 GB model while phone is nicely built and good to have if you have one extra power bank. Since few days I see some lag in its UI, I feel it is because of the known ...
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0answers
103 views

Log of all user activity

Is there a place or file where android saves all user activities? For example something that records when users send mail, receive a call, send a message... I know that there are log files, but I'm ...
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0answers
47 views

Logcat command not reading arguments properly

I'm trying to get my phone to constantly record its logcat. I'm using the following command: logcat -f /sdcard/logcat.log -r 1024 -n 10 & The problem is when I execute this, it only saves 5 ...
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0answers
157 views

How to Logcat everything (Main, Radio) at the very first boot in production builds

Hello Android Enthusiasts; I want to logcat the Very first boot in a chinese MTK production device, the ADB comes disabled with the device. is there any way to enable it before boot. The used ...
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0answers
68 views

After using *#9900# to delete logcats all the apps aren't responding. How do I solve this problem?

After running out of internal storage (device storage running out. Some device functions may not work) I used *#9900# and chose 2nd option to delete logcats but now every app I touch the phone become ...
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0answers
66 views

What is a cops.log file?

Suddenly my internal storage was totally full. Many things didn't work anymore in my phone including wifi and my launcher (even the option in the settings disappeared). Some apps crashed also. So I ...
0
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0answers
264 views

Is my Wifi Chip broken or just a software issue?

I have a Oneplus One Chinese version loaded with Official CM11S XNPH44S. Problem is that I can turn on my wifi but most of the it can't see the wifi networks around, even I have a wifi network in my ...
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0answers
488 views

Why is my Nvidia tablet looking for chinese servers(baidu.com)?

I am not sure if this is the right area for the question, or if it is even a big deal, but here i go. When using by Nvidia tablet to develop an app I realized that it was attempting to reach a server ...
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0answers
367 views

Which application is switching on wifi?

I am running Android 4.3 on a Samsung Galaxy S3, switching on or off WiFi on a need-to-use basis. A few days back, I realized that WiFi would spontaneously be switched on. I switched it off, but it ...
0
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0answers
587 views

How to enable USB diagnostic port in an android phone?

Currently we are developing a LTE software which need the information from the Phone using QXDM tool.As of now,Most of the USB dongles and mobiles which i bought are having ROM with USB diagnostic ...
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0answers
43 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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0answers
244 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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0answers
5k views

Can receive but cannot send SMS on SGS3, help me debug with logcat?

For a couple months now (during which time I've tried ~20 ROMs), I can receive & make calls fine, receive & send emails fine, sync fine, everything is fine except I cannot send SMS. I've tried ...
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0answers
31 views

ClassNotFoundException: com.intel.vtsv.VtsvService on Pipo X8 device

I get this error on my new Pipo X8 screen in logcat. Anyone know what it's about? 01-22 15:40:15.479 565-565/system_process D/SystemServer﹕ registerService service: com.intel.vtsv.VtsvService ...