[Galaxy S6 Q&A, Help & Troubleshooting] brodyamc:
I'm using a G925I and I've been getting the dreaded "Camera Failed" and "EVT or Cal error. Please change your test device" errors.

Previously I fixed the error by updating/changing my kernel and a mix of clearing the cache. However, I'm believing that it might've been pure luck that it worked.So far I've re-flashed every possible thing (BL, Kernel, ROM, Modem) and my camera is still spitting out the error.

At this point I'm a little unsure if it's a hardware error or not. I'm hoping it isn't, as any repairs that happen with my carrier go through an authorized Samsung repair center iirc, and I don't think they'd take too kindly to a phone with tripped knox.

I've also taken a look at my camera firmware versions and the rear camera firmware displays NULL where as the front camera (which works fine) displays its correct firmware versions and details.

Logcat Logs

---- 21/06/2016 7:37:58 PM ----

06-21 19:27:29.151 12320 12320 E AXLOG : Total-CameraPreviewLoading**StartU[1466494049157]**

06-21 19:27:29.151 12320 12320 E AXLOG : Total-CameraUILoading(TSP)**StartU[1466494049157]**

06-21 19:27:29.201 12320 22224 E SecCamera-JNI-Java: SecCamera.open()

06-21 19:27:29.204 2944 9274 E CameraService: companion_disable property set to enable

06-21 19:27:29.208 2944 9274 E SecCameraCoreManager: initialize1

06-21 19:27:29.208 2944 9274 E ExynosCamera: Build Date is (Apr 14 2016) (18:46:39)

06-21 19:27:29.231 2944 9274 E SecCameraCoreManager: initialize2

06-21 19:27:29.314 12320 22222 E SecCamera-JNI-Java: checkSupportedShotMode(1000)

06-21 19:27:29.318 2944 4039 E SecCameraCoreManager: changeToSingleShot :: effectmode = 0

06-21 19:27:29.334 2944 22238 E ExynosCameraNode: [CAM_ID(0)][DIS_OUTPUT]-ERR(m_setInput):exynos_v4l2_s_input(fd:51, index:6823952) fail (-1)

06-21 19:27:29.334 2944 22238 E ExynosCameraNode: [CAM_ID(0)][DIS_OUTPUT]-ERR(setInput):m_setInput fail [6823952]

06-21 19:27:29.334 2944 22238 E ExynosCameraMCPipe: [CAM_ID(0)][PIPE_DIS]-ERR(m_setInput[2384]): nodeNums[11] : 150, setInput(sensorIds : 6823952 fail, ret(-38)

06-21 19:27:29.334 2944 22238 E ExynosCameraMCPipe: [CAM_ID(0)][PIPE_DIS]-ERR(setupPipe[182]):m_setInput(secondary) fail, ret(-38)

06-21 19:27:29.334 2944 22238 E ExynosCameraFrameFactory3aaIspTpu: [CAM_ID(0)][ExynosCameraFrameFactory3aaIspTpu]-ERR(m_initPipesFastenAeStable[990]):DIS setupPipe fail, ret(-38)

06-21 19:27:29.334 2944 22238 E ExynosCameraFrameFactoryPreview: [CAM_ID(0)][ExynosCameraFrameFactory3aaIspTpu]-ERR(fastenAeStable[703]):m_initPipesFastenAeStable(120) fail

06-21 19:27:29.334 2944 22238 E ExynosCamera: [CAM_ID(0)][]-ERR(m_fastenAeThreadFunc[5867]):m_fastenAeStable() failed

06-21 19:27:29.414 2944 3804 E ExynosCameraBufferManager: [CAM_ID(0)][SCP_BUF]-ERR(m_alloc[1693]):m_reqBufCount(9)

06-21 19:27:29.494 2944 3804 E ExynosCamera: [CAM_ID(0)][]-ERR(startPreview[1975]):fastenAeThread exit with error

06-21 19:27:29.644 12320 12320 E AXLOG : Total-CameraUILoading(TSP)**EndU[1466494049650]**

06-21 19:27:30.571 12320 12320 E Camera4 : Black overlay is already invisible

06-21 19:28:51.108 12320 22418 E SecCamera-JNI-Java: SecCamera.open()

06-21 19:28:51.111 2944 3804 E CameraService: companion_disable property set to enable

06-21 19:28:51.114 2944 3804 E SecCameraCoreManager: initialize1

06-21 19:28:51.114 2944 3804 E ExynosCamera: Build Date is (Apr 14 2016) (18:46:39)

06-21 19:28:51.131 2944 3804 E SecCameraCoreManager: initialize2

06-21 19:28:51.148 12320 22416 E SecCamera-JNI-Java: checkSupportedShotMode(1000)

06-21 19:28:51.148 2944 15540 E SecCameraCoreManager: changeToSingleShot :: effectmode = 0

06-21 19:28:51.188 2944 3804 E ExynosCameraBufferManager: [CAM_ID(0)][SCP_BUF]-ERR(m_alloc[1693]):m_reqBufCount(9)

06-21 19:28:51.231 2944 22429 E ExynosCameraNode: [CAM_ID(0)][DIS_OUTPUT]-ERR(m_setInput):exynos_v4l2_s_input(fd:45, index:6823952) fail (-1)

06-21 19:28:51.231 2944 22429 E ExynosCameraNode: [CAM_ID(0)][DIS_OUTPUT]-ERR(setInput):m_setInput fail [6823952]

06-21 19:28:51.231 2944 22429 E ExynosCameraMCPipe: [CAM_ID(0)][PIPE_DIS]-ERR(m_setInput[2384]): nodeNums[11] : 150, setInput(sensorIds : 6823952 fail, ret(-38)

06-21 19:28:51.231 2944 22429 E ExynosCameraMCPipe: [CAM_ID(0)][PIPE_DIS]-ERR(setupPipe[182]):m_setInput(secondary) fail, ret(-38)

06-21 19:28:51.231 2944 22429 E ExynosCameraFrameFactory3aaIspTpu: [CAM_ID(0)][ExynosCameraFrameFactory3aaIspTpu]-ERR(m_initPipesFastenAeStable[990]):DIS setupPipe fail, ret(-38)

06-21 19:28:51.231 2944 22429 E ExynosCameraFrameFactoryPreview: [CAM_ID(0)][ExynosCameraFrameFactory3aaIspTpu]-ERR(fastenAeStable[703]):m_initPipesFastenAeStable(120) fail

06-21 19:28:51.231 2944 22429 E ExynosCamera: [CAM_ID(0)][]-ERR(m_fastenAeThreadFunc[5867]):m_fastenAeStable() failed

06-21 19:28:51.308 2944 3804 E ExynosCamera: [CAM_ID(0)][]-ERR(startPreview[1975]):fastenAeThread exit with error

06-21 19:28:52.381 12320 12320 E Camera4 : Black overlay is already invisible

06-21 19:29:10.754 12320 22488 E SecCamera-JNI-Java: SecCamera.open()

06-21 19:29:10.754 2944 4039 E CameraService: companion_disable property set to enable

06-21 19:29:10.758 2944 4039 E SecCameraCoreManager: initialize1

06-21 19:29:10.758 2944 4039 E ExynosCamera: Build Date is (Apr 14 2016) (18:46:39)

06-21 19:29:10.771 2944 4039 E SecCameraCoreManager: initialize2

06-21 19:29:10.794 12320 22486 E SecCamera-JNI-Java: checkSupportedShotMode(1000)

06-21 19:29:10.794 2944 15540 E SecCameraCoreManager: changeToSingleShot :: effectmode = 0

06-21 19:29:10.814 2944 4039 E ExynosCameraBufferManager: [CAM_ID(0)][SCP_BUF]-ERR(m_alloc[1693]):m_reqBufCount(9)

06-21 19:29:10.851 2944 22499 E ExynosCameraNode: [CAM_ID(0)][DIS_OUTPUT]-ERR(m_setInput):exynos_v4l2_s_input(fd:45, index:6823952) fail (-1)

06-21 19:29:10.851 2944 22499 E ExynosCameraNode: [CAM_ID(0)][DIS_OUTPUT]-ERR(setInput):m_setInput fail [6823952]

06-21 19:29:10.851 2944 22499 E ExynosCameraMCPipe: [CAM_ID(0)][PIPE_DIS]-ERR(m_setInput[2384]): nodeNums[11] : 150, setInput(sensorIds : 6823952 fail, ret(-38)

06-21 19:29:10.851 2944 22499 E ExynosCameraMCPipe: [CAM_ID(0)][PIPE_DIS]-ERR(setupPipe[182]):m_setInput(secondary) fail, ret(-38)

06-21 19:29:10.851 2944 22499 E ExynosCameraFrameFactory3aaIspTpu: [CAM_ID(0)][ExynosCameraFrameFactory3aaIspTpu]-ERR(m_initPipesFastenAeStable[990]):DIS setupPipe fail, ret(-38)

06-21 19:29:10.851 2944 22499 E ExynosCameraFrameFactoryPreview: [CAM_ID(0)][ExynosCameraFrameFactory3aaIspTpu]-ERR(fastenAeStable[703]):m_initPipesFastenAeStable(120) fail

06-21 19:29:10.851 2944 22499 E ExynosCamera: [CAM_ID(0)][]-ERR(m_fastenAeThreadFunc[5867]):m_fastenAeStable() failed

06-21 19:29:10.908 2944 4039 E ExynosCamera: [CAM_ID(0)][]-ERR(startPreview[1975]):fastenAeThread exit with error

06-21 19:29:12.198 12320 12320 E Camera4 : Black overlay is already invisible

---- 21/06/2016 7:37:58 PM ----