On Thu, Mar 21, 2024 at 10:15:04AM +0100, Donald Buczek wrote: > Hi, > > we have a set of 6 systems with similar usage patterns which ran on > 5.15 kernels for over a year. Only two weeks after we've switched one > of the systems from a 5.15 kernel to a 6.6 kernel, it went into a > deadlock. I'm aware that I don't have enough information that this > could be analyzed, but I though I drop it here anyway, because the > deadlock seems to involve the locking of a superblock and I've seen > that some changes in that area went into 6.6. Maybe someone has an > idea or suggestions for further inspection if this happens the next > time. Ok, I'll take a look. It might take a little.