Le 19/03/2019 à 01:34, Dan Williams a écrit : > On Sat, Mar 16, 2019 at 12:48 PM Dan Williams <[email protected]> > wrote: >> On Sat, Mar 16, 2019 at 11:16 AM Brice Goglin <[email protected]> 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. > Brice, may I ask you to run: > > udevadm monitor -p > > ...while running the "ndctl create-namespace" command and send the output?
KERNEL[347.386349] remove /devices/virtual/bdi/259:0 (bdi) ACTION=remove DEVPATH=/devices/virtual/bdi/259:0 SEQNUM=3105 SUBSYSTEM=bdi KERNEL[347.386414] remove /devices/platform/e820_pmem/ndbus0/region0/namespace0.0/block/pmem0 (block) ACTION=remove DEVNAME=/dev/pmem0 DEVPATH=/devices/platform/e820_pmem/ndbus0/region0/namespace0.0/block/pmem0 DEVTYPE=disk MAJOR=259 MINOR=0 SEQNUM=3106 SUBSYSTEM=block UDEV [347.387134] remove /devices/virtual/bdi/259:0 (bdi) ACTION=remove DEVPATH=/devices/virtual/bdi/259:0 SEQNUM=3105 SUBSYSTEM=bdi USEC_INITIALIZED=347386388 UDEV [347.388330] remove /devices/platform/e820_pmem/ndbus0/region0/namespace0.0/block/pmem0 (block) ACTION=remove DEVLINKS=/dev/disk/by-path/platform-e820_pmem DEVNAME=/dev/pmem0 DEVPATH=/devices/platform/e820_pmem/ndbus0/region0/namespace0.0/block/pmem0 DEVTYPE=disk ID_PATH=platform-e820_pmem ID_PATH_TAG=platform-e820_pmem MAJOR=259 MINOR=0 SEQNUM=3106 SUBSYSTEM=block TAGS=:systemd: USEC_INITIALIZED=13709764 KERNEL[347.567484] unbind /devices/platform/e820_pmem/ndbus0/region0/namespace0.0 (nd) ACTION=unbind DEVPATH=/devices/platform/e820_pmem/ndbus0/region0/namespace0.0 DEVTYPE=nd_namespace_io SEQNUM=3107 SUBSYSTEM=nd UDEV [347.568474] unbind /devices/platform/e820_pmem/ndbus0/region0/namespace0.0 (nd) ACTION=unbind DEVPATH=/devices/platform/e820_pmem/ndbus0/region0/namespace0.0 DEVTYPE=nd_namespace_io SEQNUM=3107 SUBSYSTEM=nd USEC_INITIALIZED=347568424 _______________________________________________ Linux-nvdimm mailing list [email protected] https://lists.01.org/mailman/listinfo/linux-nvdimm
