Hi,yes, good idea, will do it as it looks promising seeing that there is some related patch in 5.16 (not sure if it's in the package you mentioned, though):
https://lore.kernel.org/all/YYp40A2lNrxaZji8@casper.infradead.org/T/#u I'll try out if I can reproduce it with 5.16 or whether it's gone.