Tested latest kernel 4.15.0-72-generic on bionic.
root@srl-mds1:~# dpkg -l | grep -i ndctl
ii libndctl6 61.2-0ubuntu1~18.04.1
amd64 Utility library for managing the libnvdimm subsystem
ii ndctl 61.2-0ubuntu1~18.04.1
amd64 Utility for managing the nvdimm subsystem
root@srl-mds1:~# ndctl create-namespace -e "namespace0.0" -m fsdax -f -vvv
enable_labels:945: region0: failed to initialize labels
namespace_reconfig:977: region0: no idle namespace seed
failed to reconfigure namespace: No such device
root@srl-mds1:~#
But if I add --no-autolabel it works
root@srl-mds1:~# ndctl create-namespace --no-autolabel --mode fsdax --map dev
-e namespace0.0 -f -vvv
{
"dev":"namespace0.0",
"mode":"fsdax",
"map":"dev",
"size":"189.00 GiB (202.94 GB)",
"uuid":"4c9523f5-8442-4356-9133-0e48c88c8d8f",
"sector_size":512,
"blockdev":"pmem0",
"numa_node":0
}
root@srl-mds1:~# ndctl create-namespace --no-autolabel --mode fsdax --map dev
-e namespace1.0 -f -vvv
{
"dev":"namespace1.0",
"mode":"fsdax",
"map":"dev",
"size":"189.00 GiB (202.94 GB)",
"uuid":"2a16dd16-df10-4737-abb5-060266070d7e",
"sector_size":512,
"blockdev":"pmem1",
"numa_node":1
}
Bionic LTS kernel still needs kernel fix.
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https://bugs.launchpad.net/bugs/1811785
Title:
NVDIMM-N doesn't work properly on Dell EMC PowerEdge R840
Status in ndctl:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in ndctl package in Ubuntu:
Fix Released
Status in ndctl source package in Bionic:
Incomplete
Status in ndctl source package in Disco:
Incomplete
Status in ndctl source package in Eoan:
Fix Released
Bug description:
On ubuntu 18.04.1 :
1°) With 4.15.0-43 two default namespaces in raw mode are visible
while there shouldn't be any but no settings change could be applied.
root@server:~# ndctl list -R
[
{
"dev":"region1",
"size":103079215104,
"available_size":0,
"type":"pmem",
"numa_node":1,
"persistence_domain":"unknown"
},
{
"dev":"region0",
"size":103079215104,
"available_size":0,
"type":"pmem",
"numa_node":0,
"persistence_domain":"unknown"
}
]
root@server:~# ndctl list
[
{
"dev":"namespace1.0",
"mode":"raw",
"size":103079215104,
"sector_size":512,
"blockdev":"pmem1",
"numa_node":1
},
{
"dev":"namespace0.0",
"mode":"raw",
"size":103079215104,
"sector_size":512,
"blockdev":"pmem0",
"numa_node":0
}
]
root@server:~# ndctl create-namespace --reconfig=namespace1.0 --type=pmem
--mode=sector -f
libndctl: sizeof_namespace_index: nmem10: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem10: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem10: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem10: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem10: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem10: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem10: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem10: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem10: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem10: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem7: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem7: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem7: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem7: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem7: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem7: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem7: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem7: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem7: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem7: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem9: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem9: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem9: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem9: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem9: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem9: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem9: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem9: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem9: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem9: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem6: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem6: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem6: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem6: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem6: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem6: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem6: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem6: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem6: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem6: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem11: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem11: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem11: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem11: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem11: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem11: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem11: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem11: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem11: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem11: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem8: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem8: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem8: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem8: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem8: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem8: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem8: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem8: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem8: label area (1024) too small to host
(256 byte) labels
libndctl: sizeof_namespace_index: nmem8: label area (1024) too small to host
(256 byte) labels
failed to reconfigure namespace: No such device
2°) With 4.18.0-13 no active namespaces are seen which seems more
coherent for non initialized NVDIMM-N with labels but no namespace can
be created.
Both patches (kernel & ndctl) listed in the github issue below needs
to be applied in order to get them working properly. Tested against
the current hwe 4.18 kernel.
https://github.com/pmem/ndctl/issues/78
---
ProblemType: Bug
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Jan 15 10:55 seq
crw-rw---- 1 root audio 116, 33 Jan 15 10:55 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord':
'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
DistroRelease: Ubuntu 18.04
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
MachineType: Dell Inc. PowerEdge R840
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
Package: ndctl 61.2-0ubuntu1~18.04.1
PackageArchitecture: amd64
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 mgadrmfb
ProcKernelCmdLine: BOOT_IMAGE=/ROOT/ubuntu@/boot/vmlinuz-4.15.0-43-generic
root=ZFS=rpool/ROOT/ubuntu ro
ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
RelatedPackageVersions:
linux-restricted-modules-4.15.0-43-generic N/A
linux-backports-modules-4.15.0-43-generic N/A
linux-firmware 1.173.2
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
Tags: bionic
Uname: Linux 4.15.0-43-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 11/21/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.3.9
dmi.board.name: 08XR9M
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 23
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.3.9:bd11/21/2018:svnDellInc.:pnPowerEdgeR840:pvr:rvnDellInc.:rn08XR9M:rvrA01:cvnDellInc.:ct23:cvr:
dmi.product.family: PowerEdge
dmi.product.name: PowerEdge R840
dmi.sys.vendor: Dell Inc.
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