Graphical log reader for Android.
Note: this repo is unmaintained due to me having too little time and too little interest. Please check out a fork called MatLog that is optimized for newer devices.
Nolan Lawson
WTFPL, although attribution would be nice.
CatLog is a free and open-source log reader for Android.
It shows a scrolling (tailed) view of the Android "Logcat" system log, hence the goofy name. It also allows you to record logs in real time, send logs via email, and filter using a variety of criteria.
CatLog may be downloaded from the Google Play Store.
You can also find a direct APK download link from the CatLog page on my web site.
On the SD card, under /sdcard/catlog/saved_logs/.
This problem typically shows up on custom ROMs. First off, try an alternative logging app, to verify that the problem is with your ROM and not CatLog.
Next, see if your ROM offers system-wide settings to disable logging. Be sure to reboot after you change anything.
If that still doesn't work, you can contact the creator of your ROM to file a bug/RFE.
And if you don't have root, check to see if you're running Jelly Bean (Android 4.2+). CatLog has issues with unrooted Jelly Bean.
You can read all about CatLog in my blog posts.