Pasha Tatashin wrote: [..] > Thank you for the heads up. Can you please attach a full config file, > also was anyone able to reproduce this problem in qemu with emulated > nvdimm? Yes, I can reproduce the crash just by trying to reconfigure the mode of a pmem namespace: # ndctl create-namespace -m raw -f -e namespace0.0 ...where namespace0.0 results from: memmap=4G!4G ...passed on the kernel command line. Kernel config here: https://gist.github.com/djbw/143705077103d43a735c179395d4f69a