On Sat, Dec 28, 2019 at 11:54 PM Li, Redhairer <[email protected]> wrote: > > OK, got it. > I have figured out the problem. > I pass wrong parameter to util_daxctl_region_filter. > > But I found two other problems before I apply my patch. > > 1. DAX device already online after reconfigure it to system-ram. > > "$DAXCTL" reconfigure-device -N -m system-ram "$daxdev" > > If daxctl-device.sh do online-memory again, > it makes FAIL daxctl-devices.sh (exit status: 1) even I add --no-online when > reconfigure-device > > + ../daxctl/daxctl reconfigure-device -N -m system-ram --no-online dax0.0 > libdaxctl: memblock_in_dev: dax0.0: memory0: Unable to determine phys_index: > Success > reconfigured 1 device > [ > { > "chardev":"dax0.0", > "size":262144000, > "target_node":0, > "mode":"system-ram", > "movable":false > } > ] > ++ daxctl_get_mode dax0.0 > ++ ../daxctl/daxctl list -d dax0.0 > ++ jq -er '.[].mode' > libdaxctl: memblock_in_dev: dax0.0: memory0: Unable to determine phys_index: > Success > + [[ system-ram == \s\y\s\t\e\m\-\r\a\m ]] > + ../daxctl/daxctl online-memory dax0.0 > libdaxctl: memblock_in_dev: dax0.0: memory0: Unable to determine phys_index: > Success > libdaxctl: memblock_in_dev: dax0.0: memory0: Unable to determine phys_index: > Success > dax0.0: > WARNING: detected a race while onlining memory > Some memory may not be in the expected zone. It is > recommended to disable any other onlining mechanisms, > and retry. If onlining is to be left to other agents, > use the --no-online option to suppress this warning
This is likely because Ubuntu ships a udev rule that automatically onlines hot-added memory. We've talked about a way to auto-detect when a distribution ships a udev configuration like this, but for now this warning message is the best we can do. [..]> > 2. 2 nvdimm will make daxctl-devices.sh FAIL Do you mean a system with real nvdimms makes daxctl-devices.sh fail? _______________________________________________ Linux-nvdimm mailing list -- [email protected] To unsubscribe send an email to [email protected]
