----- Original Message ----- > > > The data to be erased is poisoned with character 'X' (58 in Hex). > > > > The last two patches 7/8 and 8/8 introduces eraseinfo section into > > filtered compressed kdump and ELF kdump file. The compressed kdump file > > now carries additional fields namely offset_eraseinfo and size_eraseinfo in > > kdump sub header that can help crash to identify whether filtering is > > been done. Similarly, ELF kdump file now contains new ELF note of type > > NT_ERASEINFO, that can help crash to identify whether the filtering has been > > done or not. > > And how this information is useful to crash? I mean why would crash care > whether filtering has been done or not and if filtering has been done > then do what? It's not particularly useful to crash per se -- but rather it would be useful to a user trying to analyze the dumpfile. If a prominent warning message is displayed early on during invocation, then it won't be a big surprise if/when things are subsequently broken/crippled. Dave > Thanks > Vivek