SCF report error "Temp BufferPool exceeds max expected size"

What’s the reason for following libargus errors:

20210621-15:09:10.442057 SCF: Error Timeout:  (propagating from src/components/amr/Snapshot.cpp, function waitForNewerSample(), line 92)
20210621-15:09:10.442260 SCF_AutocontrolACSync failed to wait for an earlier frame to complete.
20210621-15:09:10.442357
20210621-15:09:10.442449 SCF: Error Timeout:  (propagating from src/components/ac_stages/ACSynchronizeStage.cpp, function doHandleRequest(), line 126)
20210621-15:09:10.442539 SCF: Error Timeout:  (propagating from src/components/stages/OrderedStage.cpp, function doExecute(), line 137)
20210621-15:09:10.442629 SCF: Error Timeout: Sending critical error event (in src/api/Session.cpp, function sendErrorEvent(), line 990)
20210621-15:09:10.469469 SCF: Error OverFlow: Temp BufferPool exceeds max expected size: 14 (1280x800 Pitch BayerS16GRBG) (in src/services/buffermanager
/BufferPool.cpp, function allocBuffer(), line 218)
20210621-15:09:10.469511 SCF: Error OverFlow: Possibly due to pipeline slowdown, can cause memory bloat. (in src/services/buffermanager/BufferPool.cpp,
function allocBuffer(), line 220)
20210621-15:09:10.469599 Session 0 has 8 CCs in-flight:
20210621-15:09:10.469641   CC Id=108   ApiId=8    InstructionListId=0    8:SensorCaptureStage  16:SensorCaptureStage
20210621-15:09:10.469727   CC Id=107   ApiId=7    InstructionListId=0    8:SensorCaptureStage  16:SensorCaptureStage
20210621-15:09:10.469769   CC Id=105   ApiId=5    InstructionListId=0   16:SensorCaptureStage
20210621-15:09:10.469899   CC Id=104   ApiId=4    InstructionListId=0   16:SensorCaptureStage
20210621-15:09:10.469984   CC Id=109   ApiId=9    InstructionListId=0    6:TempBufferAcquireStage  14:TempBufferAcquireStage
20210621-15:09:10.470027   CC Id=103   ApiId=3    InstructionListId=0   16:SensorCaptureStage
20210621-15:09:10.470194
20210621-15:09:10.470291   CC Id=101   ApiId=1    InstructionListId=0   16:SensorCaptureStage
20210621-15:09:10.472930 SCF: Error OverFlow: Temp BufferPool exceeds max expected size: 14 (1280x800 Pitch BayerS16GRBG) (in src/services/buffermanager
/BufferPool.cpp, function allocBuffer(), line 218)
20210621-15:09:10.472972 SCF: Error OverFlow: Temp BufferPool exceeds max expected size: 14 (1280x1 Pitch NonColor8) (in src/services/buffermanager/Buff
erPool.cpp, function allocBuffer(), line 218)
20210621-15:09:10.473014 SCF: Error OverFlow: Possibly due to pipeline slowdown, can cause memory bloat. (in src/services/buffermanager/BufferPool.cpp,
function allocBuffer(), line 220)
20210621-15:09:10.473056 SCF: Error OverFlow: Possibly due to pipeline slowdown, can cause memory bloat. (in src/services/buffermanager/BufferPool.cpp,
function allocBuffer(), line 220)
20210621-15:09:10.473098 Session 0 has 8 CCs in-flight:
20210621-15:09:10.473140   CC Id=108   ApiId=8    InstructionListId=0    8:SensorCaptureStage  16:SensorCaptureStage
20210621-15:09:10.473183 Session 0 has 8 CCs in-flight:
20210621-15:09:10.473222   CC Id=108   ApiId=8    InstructionListId=0    8:SensorCaptureStage  16:SensorCaptureStage   CC Id=107   ApiId=7    InstructionListId=0    8:SensorCaptureStage  16:SensorCaptureStage
20210621-15:09:10.473264
20210621-15:09:10.473345   CC Id=107   ApiId=7    InstructionListId=0    8:SensorCaptureStage  16:SensorCaptureStage
20210621-15:09:10.473386   CC Id=105   ApiId=5    InstructionListId=0   16:SensorCaptureStage
20210621-15:09:10.473487   CC Id=105   ApiId=5    InstructionListId=0   16:SensorCaptureStage
20210621-15:09:10.473531   CC Id=104   ApiId=4    InstructionListId=0   16:SensorCaptureStage
20210621-15:09:10.473575   CC Id=109   ApiId=9    InstructionListId=0    7:TempBufferAcquireStage  14:TempBufferAcquireStage
20210621-15:09:10.473705   CC Id=103   ApiId=3    InstructionListId=0   16:SensorCaptureStage
20210621-15:09:10.473748   CC Id=102   ApiId=2    InstructionListId=0   16:SensorCaptureStage
20210621-15:09:10.473788   CC Id=101   ApiId=1    InstructionListId=0   16:SensorCaptureStage
20210621-15:09:10.473828
20210621-15:09:10.473996
20210621-15:09:10.474079   CC Id=103   ApiId=3    InstructionListId=0   16:SensorCaptureStage
20210621-15:09:10.474122   CC Id=102   ApiId=2    InstructionListId=0   16:SensorCaptureStage
20210621-15:09:10.474204   CC Id=101   ApiId=1    InstructionListId=0   16:SensorCaptureStage

This error tell timeout for capturing from sensor.

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