> On Aug 4, 2020, at 9:08 AM, Timo Rothenpieler <timo@xxxxxxxxxxxxxxxx> wrote: > > On 04.08.2020 14:49, Chuck Lever wrote: >> Timo, I tend to think this is not a configuration issue. >> Do you know of a known working kernel? > > This is a brand new system, it's never been running with any kernel older than 5.4, and downgrading it to 4.19 or something else while in operation is unfortunately not easily possible. For a client it would definitely not be out of the question, but the main nfs server I cannot easily downgrade. > > Also keep in mind that the dmesg spam happens on both server and client simultaneously. Let's start with the client only, since restarting it seems to clear the problem. > I'll see if I can borrow two of the nodes to turn into a temporary test system for this. > > The Kernel for this system is self-built and not any distribution kernel. Would it be easy to try a kernel earlier in the 5.4.y stable series? > This could not be a missing kernel config option or something? Doubtful. -- Chuck Lever