[X 2014 Original Android Development] surrealjam:
I think this is a known issue across multiple devices but I assume a log report can't hurt... this is the issue when trying to use the Screencast app.

No errors received on the front-end - it just doesn't actually record anything.

01-14 11:41:36.791 D/audio_hw_primary(2584): out_set_parameters: enter: usecase(1: low-latency-playback) kvpairs: routing=2
01-14 11:41:36.791 D/audio_hw_extn(2584): audio_extn_set_anc_parameters: anc_enabled:0
01-14 11:41:36.828 D/AudioFlinger(2584): mixer(0xb2180000) throttle end: throttle time(4)
01-14 11:41:38.217 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:38.271 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:38.281 I/ActivityManager(1069): START u0 {act=android.intent.action.MAIN cat=[android.intent.category.HOME] flg=0x10200000 cmp=com.google.android.googlequicksearchbox/com.google.android.launcher.GEL (has extras)} from uid 1000 on display 0
01-14 11:41:38.282 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:38.339 I/ThermalEngine(287): Sensor:batt_therm:27600 mC
01-14 11:41:38.341 D/audio_hw_primary(2584): out_set_parameters: enter: usecase(1: low-latency-playback) kvpairs: routing=2
01-14 11:41:38.341 D/audio_hw_extn(2584): audio_extn_set_anc_parameters: anc_enabled:0
01-14 11:41:38.365 I/GEL (3574): handleIntent(Intent { act=android.intent.action.MAIN cat=[android.intent.category.HOME] flg=0x10600000 cmp=com.google.android.googlequicksearchbox/com.google.android.launcher.GEL (has extras) })
01-14 11:41:38.433 W/LocationOracle(18455): Best location was null
01-14 11:41:38.434 I/MicroDetectionWorker(18455): Micro detection mode: [mDetectionMode: [1]].
01-14 11:41:38.455 I/MicroRecognitionRunner(18455): Starting detection.
01-14 11:41:38.457 I/MicrophoneInputStream(18455): mic_starting com.google.android.apps.gsa.speech.audio.ac@9a2bcc5
01-14 11:41:38.463 D/audio_hw_primary(2584): adev_open_input_stream: enter: sample_rate(16000) channel_mask(0x10) devices(0x80000004) stream_handle(0xb05f3aa0) io_handle(1197) source(6)
01-14 11:41:38.465 I/AudioFlinger(2584): AudioFlinger's thread 0xaa700000 ready to run
01-14 11:41:38.465 D/audio_hw_primary(2584): in_standby: enter: stream (0xb05f3aa0) usecase(9: audio-record)
01-14 11:41:38.466 D/audio_hw_primary(2584): in_standby: enter: stream (0xb05f3aa0) usecase(9: audio-record)
01-14 11:41:38.467 I/HeadsetService(12303): Headset=false; Bluetooth=false ; USB=false; Speaker=true
01-14 11:41:38.470 D/audio_hw_primary(2584): in_set_parameters: enter: kvpairs=input_source=6;routing=-2147483644
01-14 11:41:38.472 I/MicrophoneInputStream(18455): mic_started com.google.android.apps.gsa.speech.audio.ac@9a2bcc5
01-14 11:41:38.481 D/audio_hw_primary(2584): start_input_stream: enter: stream(0xb05f3aa0)usecase(9: audio-record)
01-14 11:41:38.481 D/audio_hw_primary(2584): select_devices: out_snd_device(0: ) in_snd_device(61: voice-rec-mic)
01-14 11:41:38.481 D/hardware_info(2584): hw_info_append_hw_type : device_name = voice-rec-mic
01-14 11:41:38.481 I/msm8974_platform(2584): platform_send_audio_calibration: sending audio calibration for snd_device(61) acdb_id(61)
01-14 11:41:38.481 D/ACDB-LOADER(2584): ACDB -> send_audio_cal, acdb_id = 61, path = 1
01-14 11:41:38.481 D/ACDB-LOADER(2584): ACDB -> send_adm_topology
01-14 11:41:38.481 D/ACDB-LOADER(2584): ACDB -> ACDB_CMD_GET_AUDPROC_COMMON_TOPOLOGY_ID
01-14 11:41:38.481 D/ACDB-LOADER(2584): ACDB -> send_audtable
01-14 11:41:38.481 D/ACDB-LOADER(2584): ACDB -> ACDB_CMD_GET_AUDPROC_COMMON_TABLE
01-14 11:41:38.481 D/ACDB-LOADER(2584): ACDB -> AUDIO_SET_AUDPROC_CAL
01-14 11:41:38.481 D/ACDB-LOADER(2584): ACDB -> send_audvoltable
01-14 11:41:38.481 D/ACDB-LOADER(2584): ACDB -> ACDB_CMD_GET_AUDPROC_GAIN_DEP_STEP_TABLE
01-14 11:41:38.481 D/ (2584): Failed to fetch the lookup information of the device 0000003D
01-14 11:41:38.481 D/ACDB-LOADER(2584): ACDB -> AUDIO_SET_AUDPROC_VOL_CAL
01-14 11:41:38.481 D/ACDB-LOADER(2584): ACDB -> AUDIO_SET_AFE_CAL
01-14 11:41:38.486 D/audio_hw_primary(2584): select_devices: done
01-14 11:41:38.505 D/WifiService(1069): acquireWifiLockLocked: WifiLock{NlpWifiLock type=2 binder=android.os.BinderProxy@d692c03}
01-14 11:41:38.584 I/MicroDetectionWorker(18455): onReady
01-14 11:41:38.924 I/ThermalEngine(287): Sensor:chg_therm:27000 mC
01-14 11:41:38.932 W/OpenGLRenderer(3574): Incorrectly called buildLayer on View: ShortcutAndWidgetContainer, destroying layer...
01-14 11:41:38.970 D/audio_hw_primary(2584): out_set_parameters: enter: usecase(1: low-latency-playback) kvpairs: routing=2
01-14 11:41:38.970 D/audio_hw_extn(2584): audio_extn_set_anc_parameters: anc_enabled:0
01-14 11:41:38.984 I/DeviceStateChecker(18455): DeviceStateChecker cancelled
01-14 11:41:38.985 I/MicroDetector(18455): Keeping mic open: false
01-14 11:41:38.985 I/MicrophoneInputStream(18455): mic_close com.google.android.apps.gsa.speech.audio.ac@9a2bcc5
01-14 11:41:38.986 E/AudioRecord-JNI(18455): Error -4 during AudioRecord native read
01-14 11:41:39.009 D/audio_hw_primary(2584): in_set_parameters: enter: kvpairs=routing=0
01-14 11:41:39.009 D/audio_hw_primary(2584): in_standby: enter: stream (0xb05f3aa0) usecase(9: audio-record)
01-14 11:41:39.053 D/hardware_info(2584): hw_info_append_hw_type : device_name = voice-rec-mic
01-14 11:41:39.060 I/MicroRecognitionRunner(18455): Stopping hotword detection.
01-14 11:41:39.061 D/audio_hw_primary(2584): adev_close_input_stream: enter:stream_handle(0xb05f3aa0)
01-14 11:41:39.061 D/audio_hw_primary(2584): in_standby: enter: stream (0xb05f3aa0) usecase(9: audio-record)
01-14 11:41:39.063 I/MicroRecognitionRunner(18455): Detection finished
01-14 11:41:39.063 I/HeadsetService(12303): Headset=false; Bluetooth=false ; USB=false; Speaker=true
01-14 11:41:39.858 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:40.737 D/WifiService(1069): releaseWifiLockLocked: WifiLock{NlpWifiLock type=2 binder=android.os.BinderProxy@d692c03}
01-14 11:41:40.740 D/LocationFilter(4121): Location jumpped by 1.4452975305187752m. Will ignore change=true
01-14 11:41:40.946 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:41.890 I/ActivityManager(1069): START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=org.cyanogenmod.screencast/.MainActivity (has extras)} from uid 10030 on display 0
01-14 11:41:41.891 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:41.903 D/audio_hw_primary(2584): out_set_parameters: enter: usecase(1: low-latency-playback) kvpairs: routing=2
01-14 11:41:41.904 D/audio_hw_extn(2584): audio_extn_set_anc_parameters: anc_enabled:0
01-14 11:41:41.931 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:42.827 D/audio_hw_primary(2584): out_set_parameters: enter: usecase(1: low-latency-playback) kvpairs: routing=2
01-14 11:41:42.827 D/audio_hw_extn(2584): audio_extn_set_anc_parameters: anc_enabled:0
01-14 11:41:42.872 I/RecordingDevice(4084): Starting encoder at 1080x1920
01-14 11:41:42.877 I/OMXClient(4084): Using client-side OMX mux.
01-14 11:41:42.988 I/art (1069): Background partial concurrent mark sweep GC freed 55234(3MB) AllocSpace objects, 9(184KB) LOS objects, 32% free, 32MB/48MB, paused 1.368ms total 138.930ms
01-14 11:41:43.200 W/OMXNodeInstance(2584): [68:qcom.encoder.avc] component does not support metadata mode; using fallback
01-14 11:41:43.200 E/ACodec (4084): [OMX.qcom.video.encoder.avc] storeMetaDataInBuffers (output) failed w/ err -1010
01-14 11:41:43.201 W/ACodec (4084): do not know color format 0x7fa30c04 = 2141391876
01-14 11:41:43.201 W/ACodec (4084): do not know color format 0x7f000789 = 2130708361
01-14 11:41:43.205 I/FFMPEGSoftCodec(4084): Decoder will be in frame by frame mode
01-14 11:41:43.213 I/ACodec (4084): setupVideoEncoder succeeded
01-14 11:41:43.215 W/ACodec (4084): do not know color format 0x7f000789 = 2130708361
01-14 11:41:43.221 E/OMXNodeInstance(2584): getParameter(68:qcom.encoder.avc, ParamConsumerUsageBits(0x6f800004)) ERROR: UnsupportedIndex(0x8000101a)
01-14 11:41:43.229 E/OMXNodeInstance(2584): allocateBufferWithBackup(68:qcom.encoder.avc, Input:0 8@0xb44d1000) ERROR: BadParameter(0x80001005)
01-14 11:41:43.229 E/ACodec (4084): Failed to allocate buffers after transitioning to IDLE state (error 0x80000000)
01-14 11:41:43.229 E/ACodec (4084): signalError(omxError 0x80001001, internalError -2147483648)
01-14 11:41:43.230 E/MediaCodec(4084): Codec reported err 0x80001001, actionCode 0, while in state 5
01-14 11:41:43.232 E/Mirror (4084): error
01-14 11:41:43.232 E/Mirror (4084): android.media.MediaCodec$CodecException: start failed
01-14 11:41:43.232 E/Mirror (4084):	at android.media.MediaCodec.native_start(Native Method)
01-14 11:41:43.232 E/Mirror (4084):	at android.media.MediaCodec.start(MediaCodec.java:1885)
01-14 11:41:43.232 E/Mirror (4084):	at org.cyanogenmod.screencast.EncoderDevice.createDisplaySurface(EncoderDevice.java:316)
01-14 11:41:43.232 E/Mirror (4084):	at org.cyanogenmod.screencast.EncoderDevice.registerVirtualDisplay(EncoderDevice.java:87)
01-14 11:41:43.232 E/Mirror (4084):	at org.cyanogenmod.screencast.ScreencastService.registerScreencaster(ScreencastService.java:157)
01-14 11:41:43.232 E/Mirror (4084):	at org.cyanogenmod.screencast.ScreencastService.onStartCommand(ScreencastService.java:193)
01-14 11:41:43.232 E/Mirror (4084):	at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:3054)
01-14 11:41:43.232 E/Mirror (4084):	at android.app.ActivityThread.-wrap17(ActivityThread.java)
01-14 11:41:43.232 E/Mirror (4084):	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1461)
01-14 11:41:43.232 E/Mirror (4084):	at android.os.Handler.dispatchMessage(Handler.java:102)
01-14 11:41:43.232 E/Mirror (4084):	at android.os.Looper.loop(Looper.java:148)
01-14 11:41:43.232 E/Mirror (4084):	at android.app.ActivityThread.main(ActivityThread.java:5466)
01-14 11:41:43.232 E/Mirror (4084):	at java.lang.reflect.Method.invoke(Native Method)
01-14 11:41:43.232 E/Mirror (4084):	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
01-14 11:41:43.232 E/Mirror (4084):	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
01-14 11:41:43.241 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:43.291 D/OpenGLRenderer(4084): endAllStagingAnimators on 0xb38cce80 (RippleDrawable) with handle 0xb360b700
01-14 11:41:44.208 I/ActivityManager(1069): START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=org.cyanogenmod.screencast/.MainActivity (has extras)} from uid 10030 on display 0
01-14 11:41:44.208 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:44.209 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:44.213 D/audio_hw_primary(2584): out_set_parameters: enter: usecase(1: low-latency-playback) kvpairs: routing=2
01-14 11:41:44.213 D/audio_hw_extn(2584): audio_extn_set_anc_parameters: anc_enabled:0
01-14 11:41:44.250 D/AudioFlinger(2584): mixer(0xb2180000) throttle end: throttle time(4)
01-14 11:41:44.256 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:44.357 I/ActivityManager(1069): Displayed org.cyanogenmod.screencast/.MainActivity: +101ms
01-14 11:41:44.780 E/NetlinkListener(278): recvmsg failed (No buffer space available)
01-14 11:41:45.733 D/audio_hw_primary(2584): out_set_parameters: enter: usecase(1: low-latency-playback) kvpairs: routing=2
01-14 11:41:45.733 D/audio_hw_extn(2584): audio_extn_set_anc_parameters: anc_enabled:0
01-14 11:41:45.741 I/ScreencastService(4084): Video complete: file:///storage/emulated/0/Movies/Screencasts/Screencast_2016-01-14-11-41-42.mp4
01-14 11:41:45.770 D/AudioFlinger(2584): mixer(0xb2180000) throttle end: throttle time(4)
01-14 11:41:46.891 D/PhoneStatusBar(3377): disable: < expand ICONS* alerts SYSTEM_INFO* back home recent clock search quick_settings >
01-14 11:41:46.973 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:47.753 D/audio_hw_primary(2584): out_set_parameters: enter: usecase(1: low-latency-playback) kvpairs: routing=2
01-14 11:41:47.753 D/audio_hw_extn(2584): audio_extn_set_anc_parameters: anc_enabled:0
01-14 11:41:47.790 D/AudioFlinger(2584): mixer(0xb2180000) throttle end: throttle time(4)
01-14 11:41:47.948 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:47.980 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:47.985 I/ActivityManager(1069): START u0 {act=com.android.systemui.recents.SHOW_RECENTS flg=0x10804000 cmp=com.android.systemui/.recents.RecentsActivity} from uid 10018 on display 0
01-14 11:41:47.986 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:47.997 D/audio_hw_primary(2584): out_set_parameters: enter: usecase(1: low-latency-playback) kvpairs: routing=2
01-14 11:41:47.997 D/audio_hw_extn(2584): audio_extn_set_anc_parameters: anc_enabled:0
01-14 11:41:48.032 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:48.047 D/AudioFlinger(2584): mixer(0xb2180000) throttle end: throttle time(11)
01-14 11:41:48.323 D/PhoneStatusBar(3377): disable: < expand icons* alerts system_info* back home recent clock search quick_settings >
01-14 11:41:48.344 I/ThermalEngine(287): Sensor:batt_therm:27600 mC
01-14 11:41:48.881 D/audio_hw_primary(2584): out_set_parameters: enter: usecase(1: low-latency-playback) kvpairs: routing=2
01-14 11:41:48.881 D/audio_hw_extn(2584): audio_extn_set_anc_parameters: anc_enabled:0
01-14 11:41:48.886 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:48.929 I/ThermalEngine(287): Sensor:chg_therm:27000 mC
01-14 11:41:48.940 V/PhoneStatusBar(3377): setLightsOn(true)
01-14 11:41:49.079 V/PhoneStatusBar(3377): setLightsOn(true)
01-14 11:41:49.993 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:50.090 E/QCOM PowerHAL(1069): Failed to acquire lock.
01-14 11:41:50.113 D/audio_hw_primary(2584): out_set_parameters: enter: usecase(1: low-latency-playback) kvpairs: routing=2
01-14 11:41:50.113 D/audio_hw_extn(2584): audio_extn_set_anc_parameters: anc_enabled:0
01-14 11:41:50.147 D/AudioFlinger(2584): mixer(0xb2180000) throttle end: throttle time(7)
01-14 11:41:51.273 D/audio_hw_primary(2584): out_set_parameters: enter: usecase(1: low-latency-playback) kvpairs: routing=2
01-14 11:41:51.273 D/audio_hw_extn(2584): audio_extn_set_anc_parameters: anc_enabled:0
01-14 11:41:51.307 D/AudioFlinger(2584): mixer(0xb2180000) throttle end: throttle time(7)