[ONE Original Android Development] swapnilchandra:
Here you go:

Device Info

build.board: MSM8974
build.bootloader: unknown
build.brand: oneplus
build.cpu_abi: armeabi-v7a
build.cpu_abi2: armeabi
build.device: bacon
build.display: aosp_bacon-userdebug 8.1.0 OPM5.171019.014 eng.agentf.20180227.061210 test-keys
build.fingerprint: oneplus/aosp_bacon/bacon:8.1.0/OPM5.171019.014/agentf02270612:userdebug/test-keys
build.hardware: bacon
build.host: Cloud2
build.id: OPM5.171019.014
build.manufacturer: OnePlus
build.model: A0001
build.product: aosp_bacon
build.radio: unknown
build.serial: 4f8f16ce
build.tags: test-keys
build.time: 1519711930000
build.type: userdebug
build.user: agentfabulous
version.codename: REL
version.incremental: eng.agentf.20180227.061210
version.release: 8.1.0
version.sdk_int: 27

Log

--------- beginning of main
03-07 13:31:52.529 W/m (5434): Cannot obtain root
03-07 13:31:52.529 W/m (5434): java.io.IOException: Cannot run program "su": error=13, Permission denied
03-07 13:31:52.529 W/m (5434):	at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
03-07 13:31:52.529 W/m (5434):	at java.lang.Runtime.exec(Runtime.java:692)
03-07 13:31:52.529 W/m (5434):	at java.lang.Runtime.exec(Runtime.java:525)
03-07 13:31:52.529 W/m (5434):	at java.lang.Runtime.exec(Runtime.java:422)
03-07 13:31:52.529 W/m (5434):	at com.nolanlawson.logcat.b.m.a(Unknown Source:17)
03-07 13:31:52.529 W/m (5434):	at com.nolanlawson.logcat.b.w.a(Unknown Source:2)
03-07 13:31:52.529 W/m (5434):	at com.nolanlawson.logcat.b.p.b(Unknown Source:32)
03-07 13:31:52.529 W/m (5434):	at com.nolanlawson.logcat.d.doInBackground(Unknown Source:2)
03-07 13:31:52.529 W/m (5434):	at android.os.AsyncTask$2.call(AsyncTask.java:333)
03-07 13:31:52.529 W/m (5434):	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
03-07 13:31:52.529 W/m (5434):	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
03-07 13:31:52.529 W/m (5434):	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
03-07 13:31:52.529 W/m (5434):	at java.lang.Thread.run(Thread.java:764)
03-07 13:31:52.529 W/m (5434): Caused by: java.io.IOException: error=13, Permission denied
03-07 13:31:52.529 W/m (5434):	at java.lang.UNIXProcess.forkAndExec(Native Method)
03-07 13:31:52.529 W/m (5434):	at java.lang.UNIXProcess.<init>(UNIXProcess.java:133)
03-07 13:31:52.529 W/m (5434):	at java.lang.ProcessImpl.start(ProcessImpl.java:128)
03-07 13:31:52.529 W/m (5434):	at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)
03-07 13:31:52.529 W/m (5434):	... 12 more
03-07 13:31:52.559 D/vndksupport(5434): Loading /vendor/lib/hw/android.hardware.graphics.mapper@2.0-impl.so from current namespace instead of sphal namespace.
03-07 13:31:52.560 D/vndksupport(5434): Loading /vendor/lib/hw/gralloc.msm8974.so from current namespace instead of sphal namespace.
03-07 13:31:52.568 D/OpenGLRenderer(5434): HWUI GL Pipeline
03-07 13:33:41.252 E/LogcatRecordingService(5434): unexpected exception
03-07 13:33:41.252 E/LogcatRecordingService(5434): java.io.InterruptedIOException: read interrupted
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at libcore.io.Linux.readBytes(Native Method)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at libcore.io.Linux.read(Linux.java:184)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at libcore.io.BlockGuardOs.read(BlockGuardOs.java:251)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at libcore.io.IoBridge.read(IoBridge.java:528)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at java.io.FileInputStream.read(FileInputStream.java:254)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at java.io.BufferedInputStream.read1(BufferedInputStream.java:286)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at java.io.BufferedInputStream.read(BufferedInputStream.java:347)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:288)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:351)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:180)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at java.io.InputStreamReader.read(InputStreamReader.java:184)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at java.io.BufferedReader.fill(BufferedReader.java:172)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at java.io.BufferedReader.readLine(BufferedReader.java:335)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at java.io.BufferedReader.readLine(BufferedReader.java:400)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at com.nolanlawson.logcat.reader.g.a(Unknown Source:2)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at com.nolanlawson.logcat.LogcatRecordingService.onHandleIntent(Unknown Source:122)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:76)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at android.os.Handler.dispatchMessage(Handler.java:106)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at android.os.Looper.loop(Looper.java:164)
03-07 13:33:41.252 E/LogcatRecordingService(5434):	at android.os.HandlerThread.run(HandlerThread.java:65)
03-07 13:34:01.300 W/InputEventReceiver(5434): Attempted to finish an input event but the input event receiver has already been disposed.
03-07 13:34:01.384 I/zygote (5434): Do partial code cache collection, code=31KB, data=25KB
03-07 13:34:01.385 I/zygote (5434): After code cache collection, code=31KB, data=25KB
03-07 13:34:01.385 I/zygote (5434): Increasing code cache capacity to 128KB
03-07 13:34:07.308 I/zygote (5434): NativeAlloc concurrent copying GC freed 25493(1505KB) AllocSpace objects, 4(80KB) LOS objects, 68% free, 2MB/8MB, paused 90us total 163.055ms