On Thu, Jun 25, 2020 at 10:10 PM Stefan Priebe - Profihost AG <s.priebe@xxxxxxxxxxxx> wrote: > > Does a userspace strace really help? I did a git bisect between kernel > v5.3 (working) und v5.4 (not working) and it shows I cannot reproduce this with the libfuse2 examples. Passing "nonempty" as a mount(2) in either v5.3 or v5.4 results in -EINVAL. So without an strace I cannot tell what is causing the regression. Thanks, Miklos