oops in v4l2src when going from pause to play

[dwight_g]

I eventually managed to update to 1.14.4 and after figuring out the existing
nvvidconv fails to allow DMA access when copy-threshold enabled (add
io-mode=2 to v4l2src parameters), it immediately failed again with the same
error:



Looking up I see I left off the 'unable to handle kernel paging request
error message' though.

Except further digging I realize what Nicolas' point was - though this says
'Process v4l2src0' it appears the crash trace functions are in V4l2
driver...when the v4l2src plugin appears to request buffers while streaming
already. I found a couple similar problems reported on RasbPi's...




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