USB camera cannot be hotplugged on Panda

[Zach Pfeffer]

A USB camera cannot be hotplugged on Panda. Seen in build: https://android-build.linaro.org/builds/~linaro-android/tracking-panda-11.10-release/#build=5.

[Zach Pfeffer (pfefferz)]

This works on the regular panda build: https://android-build.linaro.org/builds/~linaro-android/panda-11.10-release/#build=2

[Abhishek Paliwal (abhishek-paliwal)]

This issue also observed on Beagle-XM :
https://android-build.linaro.org/builds/~linaro-android/beagle-11.10-release/#build=4

Log snippet: After hot swapping camera and opening Camera app - Camera App crashes.
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# I/ActivityManager( 1075): Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=com.android.camera/.Camera } from pid 1162
V/CameraHolder( 1324): open camera 0
D/CameraHardware( 1021): HAL_openCameraHardware: 0
D/CameraHardware( 1021): PREVIEW SIZE: w=640 h=480 framerate=15
D/CameraHardware( 1021): HAL_getCameraInfo: 0
I/StagefrightPlayer( 1021): setDataSource('/system/media/audio/ui/camera_click.ogg')
E/MediaPlayer( 1021): error (1, -2147483648)
I/StagefrightPlayer( 1021): setDataSource('/system/media/audio/ui/VideoRecord.ogg')
E/MediaPlayer( 1021): error (1, -2147483648)
D/Camera ( 1324): app passed NULL surface
D/CameraHardware( 1021): HAL_getCameraInfo: 0
D/CameraHardware( 1021): HAL_getCameraInfo: 0
D/CameraHardware( 1021): PREVIEW SIZE: w=640 h=480 framerate=15
V/camera ( 1324): startPreview
I/CameraHardware( 1021): startPreview: in startpreview
E/V4L2Camera( 1021): ERROR opening V4L interface: No such file or directory
E/V4L2Camera( 1021): Init: VIDIOC_REQBUFS failed: Bad file number
I/CameraHardware( 1021): startPreview: Camera.Init failed
W/dalvikvm( 1324): threadid=10: thread exiting with uncaught exception (group=0x4012d560)
E/AndroidRuntime( 1324): FATAL EXCEPTION: Thread-16
E/AndroidRuntime( 1324): java.lang.RuntimeException: startPreview failed
E/AndroidRuntime( 1324): at com.android.camera.Camera.startPreview(Camera.java:1677)
E/AndroidRuntime( 1324): at com.android.camera.Camera.access$5500(Camera.java:95)
E/AndroidRuntime( 1324): at com.android.camera.Camera$3.run(Camera.java:908)
E/AndroidRuntime( 1324): at java.lang.Thread.run(Thread.java:1019)
E/AndroidRuntime( 1324): Caused by: java.lang.RuntimeException: startPreview failed
E/AndroidRuntime( 1324): at android.hardware.Camera.startPreview(Native Method)
E/AndroidRuntime( 1324): at com.android.camera.Camera.startPreview(Camera.java:1674)
E/AndroidRuntime( 1324): ... 3 more
W/ActivityManager( 1075): Force finishing activity com.android.camera/.Camera
W/ActivityManager( 1075): Activity pause timeout for HistoryRecord{407eabe8 com.android.camera/.Camera}
I/Process ( 1324): Sending signal. PID: 1324 SIG: 9
I/ActivityManager( 1075): Process com.android.camera (pid 1324) has died.
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[Alexander Sack (asac)]

seems to work on mainline according to test matrix