Hi, Jean-Jacques Hiblot <jjhiblot@xxxxxx> writes: > Hi Felipe, > > While trying out the v4.9 kernel on a DRA7x, I stumbled upon this > crash. I haven't tried to bisect yet and probably won't be do it > before next year. > > This crash doesn't occur with a 4.4 kernel. I suspect it has to do > with the changes in the TRB preparation and interrupt handling. > > I don't see the issue if qmult isn't increased. I suspect it's still > there, just harder to reproduce. can't help you without tracepoints: # mkdir -p /t # mount -t tracefs none /t # cd /t # echo 81920 > buffer_size_kb # echo 1 > events/dwc3/enable (reproduce) # cp trace ~/trace.txt send me trace.txt, you probably need to compress it. -- balbi
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