On Mon, Aug 12, 2019 at 8:51 AM Jeff Moyer <jmoyer@xxxxxxxxxx> wrote: > > Dan Williams <dan.j.williams@xxxxxxxxx> writes: > > > Currently, attempts to shutdown and re-enable a device-dax instance > > trigger: > > What does "shutdown and re-enable" translate to? If I disable and > re-enable a device-dax namespace, I don't see this behavior. I was not seeing this either until I made sure I was in 'bus" device model mode. # cat /etc/modprobe.d/daxctl.conf blacklist dax_pmem_compat alias nd:t7* dax_pmem # make TESTS="daxctl-devices.sh" check -j 40 2>out # dmesg | grep WARN.*devm [ 225.588651] WARNING: CPU: 10 PID: 9103 at mm/memremap.c:211 devm_memremap_pages+0x234/0x850 [ 225.679828] WARNING: CPU: 10 PID: 9103 at mm/memremap.c:211 devm_memremap_pages+0x234/0x850
