[Redmi Note 8 Pro ROMs, Kernels, Recoveries, & Othe] franziskaner.fan:
Build (latest):

lineage-17.1-20200811-UNOFFICIAL-begonia.zip

You can download dmesg and a piece of logcat while running freedcam here:

https://cloud.ciberterminal.net/s/7MXyLkG6cbCTdYx"]https://cloud.ciberterminal.net/s/7MXyLkG6cbCTdYx

(is my sever, its completely safe)

---------- Post added at 04:56 PM ---------- Previous post was at 04:46 PM ----------

Fuuu, I hadn't posted enough to be able to either attach or link files :(

I hope this work

---------- Post added at 05:43 PM ---------- Previous post was at 04:56 PM ----------

I've rolled back to MIUI and the default miui app for camera can't connect to the front camera:

08-26 17:37:42.315 12790 12819 D CAM_DataItemGlobal: setCameraIdTransient: mLastCameraId = 1, cameraId = 1
08-26 17:37:42.315 12790 12819 D CAM_Camera2OpenOnSubScr: openCamera: pendingOpenId = 1, pendingOpenModule = 163
08-26 17:37:42.315 12790 12819 D CAM_Camera2DataContaine: getActualOpenCameraId: mode=a3, id=1->1
08-26 17:37:42.315 12790 12819 D CAM_Camera2OpenManager: openCamera: pendingOpenId = 1, mPendingCameraId = 1, currentMode = 163, mCurrentModule = 163, forceClose = false
08-26 17:37:42.315 12790 13311 D CAM_Camera2OpenManager: open start
08-26 17:37:42.316 609 3348 E CameraService: supportsCameraApi: Unknown camera ID 1
08-26 17:37:42.316 12790 13311 W System.err: java.lang.IllegalArgumentException: supportsCameraApi:1774: Unknown camera ID 1
08-26 17:37:42.316 12790 13311 W System.err: at android.hardware.camera2.CameraManager.throwAsPublicException(CameraManager.java:729)
08-26 17:37:42.316 12790 13311 W System.err: at android.hardware.camera2.CameraManager.getCameraCharacteristics(CameraManager.java:288)
08-26 17:37:42.316 12790 13311 W System.err: at android.hardware.camera2.CameraManager.openCameraDeviceUserAsync(CameraManager.java:324)
08-26 17:37:42.316 12790 13311 W System.err: at android.hardware.camera2.CameraManager.openCameraForUid(CameraManager.java:551)
08-26 17:37:42.316 12790 13311 W System.err: at android.hardware.camera2.CameraManager.openCamera(CameraManager.java:479)
08-26 17:37:42.316 12790 13311 W System.err: at com.android.camera.module.loader.camera2.Camera2OpenManager.onMessage(Camera2OpenManager.java:421)
08-26 17:37:42.316 12790 13311 W System.err: at com.android.camera.module.loader.camera2.Camera2OpenManager.access$000(Camera2OpenManager.java:48)
08-26 17:37:42.316 12790 13311 W System.err: at com.android.camera.module.loader.camera2.Camera2OpenManager$1.handleMessage(Camera2OpenManager.java:104)
08-26 17:37:42.316 12790 13311 W System.err: at android.os.Handler.dispatchMessage(Handler.java:106)
08-26 17:37:42.316 12790 13311 W System.err: at android.os.Looper.loop(Looper.java:201)
08-26 17:37:42.316 12790 13311 W System.err: at android.os.HandlerThread.run(HandlerThread.java:65)
08-26 17:37:42.316 12790 13311 W System.err: Caused by: android.os.ServiceSpecificException: supportsCameraApi:1774: Unknown camera ID 1 (code 3)
08-26 17:37:42.316 12790 13311 W System.err: at android.os.Parcel.createException(Parcel.java:1967)
08-26 17:37:42.316 12790 13311 W System.err: at android.os.Parcel.readException(Parcel.java:1921)
08-26 17:37:42.316 12790 13311 W System.err: at android.os.Parcel.readException(Parcel.java:1871)
08-26 17:37:42.316 12790 13311 W System.err: at android.hardware.ICameraService$Stub$Proxy.supportsCameraApi(ICameraService.java:553)
08-26 17:37:42.316 12790 13311 W System.err: at android.hardware.camera2.CameraManager.supportsCameraApiLocked(CameraManager.java:782)
08-26 17:37:42.316 12790 13311 W System.err: at android.hardware.camera2.CameraManager.supportsCamera2ApiLocked(CameraManager.java:758)
08-26 17:37:42.316 12790 13311 W System.err: at android.hardware.camera2.CameraManager.getCameraCharacteristics(CameraManager.java:268)
08-26 17:37:42.316 12790 13311 W System.err: ... 9 more
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: onCameraOpenFailed: 230 msg:IllegalArgumentException
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: openCamera: failed to open camera 1
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: java.lang.IllegalArgumentException: supportsCameraApi:1774: Unknown camera ID 1
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at android.hardware.camera2.CameraManager.throwAsPublicException(CameraManager.java:729)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at android.hardware.camera2.CameraManager.getCameraCharacteristics(CameraManager.java:288)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at android.hardware.camera2.CameraManager.openCameraDeviceUserAsync(CameraManager.java:324)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at android.hardware.camera2.CameraManager.openCameraForUid(CameraManager.java:551)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at android.hardware.camera2.CameraManager.openCamera(CameraManager.java:479)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at com.android.camera.module.loader.camera2.Camera2OpenManager.onMessage(Camera2OpenManager.java:421)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at com.android.camera.module.loader.camera2.Camera2OpenManager.access$000(Camera2OpenManager.java:48)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at com.android.camera.module.loader.camera2.Camera2OpenManager$1.handleMessage(Camera2OpenManager.java:104)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at android.os.Handler.dispatchMessage(Handler.java:106)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at android.os.Looper.loop(Looper.java:201)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at android.os.HandlerThread.run(HandlerThread.java:65)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: Caused by: android.os.ServiceSpecificException: supportsCameraApi:1774: Unknown camera ID 1 (code 3)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at android.os.Parcel.createException(Parcel.java:1967)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at android.os.Parcel.readException(Parcel.java:1921)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at android.os.Parcel.readException(Parcel.java:1871)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at android.hardware.ICameraService$Stub$Proxy.supportsCameraApi(ICameraService.java:553)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at android.hardware.camera2.CameraManager.supportsCameraApiLocked(CameraManager.java:782)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at android.hardware.camera2.CameraManager.supportsCamera2ApiLocked(CameraManager.java:758)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: at android.hardware.camera2.CameraManager.getCameraCharacteristics(CameraManager.java:268)
08-26 17:37:42.316 12790 13311 E CAM_Camera2OpenManager: ... 9 more
08-26 17:37:42.318 12790 12819 D CAM_Camera2OpenOnSubScr: onNext: hasSurface = true
08-26 17:37:42.318 12790 12819 D CAM_Camera@80390834: mCameraOpenResult apply : result = 3
08-26 17:37:42.318 12790 12819 D CAM_BaseModule: setDeparted

Maybe its my phone? or maybe some of the unlock+cfw+lineage has done something weird?