Re: failure to setup devdax over fake nvdimm

On Sat, Mar 16, 2019 at 11:16 AM Brice Goglin <Brice.Goglin(a)inria.fr&gt; wrote: > > Le 16/03/2019 à 17:16, Dan Williams a écrit : > > > > What version of ndctl? Sounds like you may be running something prior > > to v64 that does not understand the new device topology. > > > It's ndctl from git master, hence 64.1. > > I am using a similar software kernel+ndctl on a machine with real > nvdimms, no problem there. It's only the machine with fake nvdimm using > memmap that show this issue. > Hmm, all my guesses are coming up empty... which usually means there is indeed a bug. Let me try some experiments here, but I may need to send you a debug patch for more info. Thanks for the memmap= insight... I do test with that, but let me see if there is something specific about your config.