(In reply to Franck Bui from comment #55) > > > > The /oldroot is mounted on <pre-shutdown> stage but when I <Ctrl>-d to > > <shutdown> stage it has disappeared. > > > > I copied <pre-shutdown> dmesg to /oldroot/tmp/ but I cannot find it from the > > /tmp/ now. Is it actually a snapshot? > > You were asked to copy the output of dmesg in /oldroot, not in > /oldroot/tmp... > > Can you please follow the instructions and provide the output of dmesg ? Can you provide instructions how to do so as in shutdown stage there is no more /oldroot I can only do it in pre-shutdown when /oldroot is still mounted.