On 10/17/23 16:18, Bart Van Assche wrote: > > On 10/17/23 14:14, Bob Pearson wrote: >> All the active threads are just the same and are all waiting for >> an io to complete from scsi. No threads are active in rxe, srp(t) >> or scsi. All activity appears to be dead. > > Is this really a clue? I have seen such backtraces many times. All > such a backtrace tells us is that something got stuck in a layer > under the filesystem. It does not tell us which layer caused > command processing to get stuck. > > Bart. > Not really, but stuck could mean it died (no threads active) or it is in a loop or waiting to be scheduled. It looks dead. The lower layers are waiting to get kicked into action by some event but it hasn't happened. This is conjecture on my part though. Bob