Screen Distortion(Black Lines) seen in many Devices
<p><img src="http://i.stack.imgur.com/COydG.png" alt="enter image description here"></p>

<p>My Device is connected to PC through USB cable for long time..Later when i go to my application and press on the screen i get black lines as in the Image.I checked my ADB logs </p>

<pre><code>08-01 18:11:57.170: I/InputReader(533): Touch event's action is 0x0 (deviceType=0) [pCnt=1, pending(waiting finished signal)=0, s=0.522 ]
08-01 18:11:57.170: I/InputDispatcher(533): Delivering touch to current input target: action: 0x0
08-01 18:11:57.170: I/InputDispatcher(533): Delivering touch to current input target: action: 0x0
08-01 18:11:57.170: I/InputDispatcher(533): Delivering touch to current input target: action: 0x0
08-01 18:11:57.190: E/memalloc(9818): clean_buffer: ION_IOC_CLEAN_INV_CACHES failed with error - Invalid argument
08-01 18:11:57.190: E/msm8960.gralloc(9818): cannot flush handle 0x83c7c8 (offs=0 len=398000, flags = 0xa8) err=Invalid argument
08-01 18:11:57.240: E/memalloc(9818): clean_buffer: ION_IOC_CLEAN_INV_CACHES failed with error - Invalid argument
08-01 18:11:57.240: E/msm8960.gralloc(9818): cannot flush handle 0x83c7c8 (offs=0 len=398000, flags = 0xa8) err=Invalid argument
08-01 18:11:57.280: E/memalloc(9818): clean_buffer: ION_IOC_CLEAN_INV_CACHES failed with error - Invalid argument
08-01 18:11:57.280: E/msm8960.gralloc(9818): cannot flush handle 0x83c7c8 (offs=0 len=398000, flags = 0xa8) err=Invalid argument
08-01 18:11:57.300: I/InputReader(533): Touch event's action is 0x1 (deviceType=0) [pCnt=1, pending(waiting finished signal)=1, s=]
08-01 18:11:57.300: I/InputDispatcher(533): Delivering touch to current input target: action: 0x1
08-01 18:11:57.300: I/InputDispatcher(533): Delivering touch to current input target: action: 0x1
08-01 18:11:57.300: I/InputDispatcher(533): Delivering touch to current input target: action: 0x1
08-01 18:11:57.610: I/InputReader(533): Touch event's action is 0x0 (deviceType=0) [pCnt=1, pending(waiting finished signal)=0, s=0.523 ]
08-01 18:11:57.610: I/InputDispatcher(533): Delivering touch to current input target: action: 0x0
08-01 18:11:57.610: I/InputDispatcher(533): Delivering touch to current input target: action: 0x0
08-01 18:11:57.610: I/InputDispatcher(533): Delivering touch to current input target: action: 0x0
08-01 18:11:57.620: E/memalloc(9818): clean_buffer: ION_IOC_CLEAN_INV_CACHES failed with error - Invalid argument
08-01 18:11:57.620: E/msm8960.gralloc(9818): cannot flush handle 0x83c7c8 (offs=0 len=398000, flags = 0xa8) err=Invalid argument
08-01 18:11:57.670: E/memalloc(9818): clean_buffer: ION_IOC_CLEAN_INV_CACHES failed with error - Invalid argument
08-01 18:11:57.670: E/msm8960.gralloc(9818): cannot flush handle 0x83c7c8 (offs=0 len=398000, flags = 0xa8) err=Invalid argument
08-01 18:11:57.710: E/memalloc(9818): clean_buffer: ION_IOC_CLEAN_INV_CACHES failed with error - Invalid argument
08-01 18:11:57.710: E/msm8960.gralloc(9818): cannot flush handle 0x83c7c8 (offs=0 len=398000, flags = 0xa8) err=Invalid argument
08-01 18:11:57.740: I/InputReader(533): Touch event's action is 0x1 (deviceType=0) [pCnt=1, pending(waiting finished signal)=0, s=]
08-01 18:11:57.740: I/InputDispatcher(533): Delivering touch to current input target: action: 0x1
08-01 18:11:57.740: I/InputDispatcher(533): Delivering touch to current input target: action: 0x1
08-01 18:11:57.740: I/InputDispatcher(533): Delivering touch to current input target: action: 0x1
</code></pre>

<p>As in the logs system is trying to do "memalloc" "gralloc"!! Not sure what is wrong!!Please Help</p>

<p>Device Used : Samsung Galaxy S3</p>
