On Mon, 25 Nov 2024 at 15:46, Bernd Schubert <bernd.schubert@xxxxxxxxxxx> wrote: > I have to remove the WARN_ON_ONCE condition altogether, gets triggered by > /dev/fuse read (i.e. with io-uring being disabled), in generic/062, > op code=39 (FUSE_IOCTL). > Without the pr_err_once() and printing the op code it would have been impossible > to see which op code that is - the trace does not help here. It should, since commit 396b209e405a ("fuse: add simple request tracepoints"). Thanks, Miklos