Both my rp1 and rp3 having stutters and glitches with the current kernel. Downgrading fixes both
here is a log from the rp1 with current kernel
https://paste.osmc.tv/egurinurop
and here with the downgraded kernel
https://paste.osmc.tv/iqawuxoyoh
I can get a log from the rp3 if you really want it.
pi is connected by fstab mounted nfs shares