queueBuffer: error queuing buffer to SurfaceTexture, -32 [closed]

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hi everyone,

i am getting this error on android device, when i open app green screen is displayed for few seconds then app crashes, here's the error log:

05-18 12:10:03.628: E/Surface(162): queueBuffer: error queuing buffer to SurfaceTexture, -32
05-18 12:10:03.628: E/MtkCam/DisplayClient(162): (30651)[enquePrvOps] mpStreamOps->enqueue_buffer failed:
status[Broken pipe(32)], rpImgBuf(0xb7739ac8,0xad019000) (enquePrvOps)
{#368:mediatek/hardware/mtkcam/v1/client/DisplayClient/DisplayClient.Stream.cpp}
05-18 12:10:03.629: E/Surface(162): queueBuffer: error queuing buffer to SurfaceTexture, -32
05-18 12:10:03.629: E/MtkCam/DisplayClient(162): (30651)[enquePrvOps] mpStreamOps->enqueue_buffer failed:
status[Broken pipe(32)], rpImgBuf(0xb793d9c8,0xae4ab000) (enquePrvOps)
{#368:mediatek/hardware/mtkcam/v1/client/DisplayClient/DisplayClient.Stream.cpp}
05-18 12:10:03.668: E/(695): Could not open '/data/data/hotplug/cmd'
05-18 12:10:03.668: E/(695): error : 2, No such file or directory
05-18 12:10:03.900: E/AudioService(695): handleConfigurationChanged() createInstance IAudioServiceExt fail
05-18 12:10:04.045: E/(695): Could not open '/data/data/hotplug/cmd'
05-18 12:10:04.045: E/(695): error : 2, No such file or directory
05-18 12:10:04.061: E/(776): appName=com.android.systemui, acAppName=/system/bin/surfaceflinger
05-18 12:10:04.061: E/(776): 0
05-18 12:10:04.135: E/(695): Could not open '/data/data/hotplug/cmd'
05-18 12:10:04.135: E/(695): error : 2, No such file or directory

any help would be appreciated , Thanks