# [ 5224.196085] nd namespace4.3: failed to track label: 4
[ 5224.201190] ------------[ cut here ]------------
[ 5224.205833] WARNING: CPU: 41 PID: 2784 at drivers/nvdimm/label.c:719
nd_pmem_namespace_label_update+0x6d6/0x6e0 [libnvdimm]
[ 5224.217009] Modules linked in: xt_CHECKSUM ipt_MASQUERADE
nf_nat_masquerade_ipv4 tun nf_conntrack_netbios_ns
nf_conntrack_broadcast xt_CT ip6t_rpfilter ipt_REJECT nf_reject_ipv4
ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_broute
bridge ebtable_nat ip6table_security ip6table_raw ip6table_mangle
ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6
iptable_security iptable_raw iptable_mangle iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack
libcrc32c ebtable_filter ebtables ip6table_filter ip6_tables
iptable_filter ip_tables sunrpc vfat fat dm_mirror dm_region_hash dm_log
dm_mod dax_pmem nd_pmem nd_blk device_dax nd_btt intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
[ 5224.287988]  pcbc aesni_intel crypto_simd glue_helper cryptd
ipmi_ssif ses ipmi_si enclosure pcspkr nfit hpwdt hpilo ioatdma
ipmi_devintf shpchp dca wmi ipmi_msghandler libnvdimm acpi_power_meter
sch_fq_codel ext4 mbcache jbd2 sd_mod mgag200 8021q garp i2c_algo_bit
stp drm_kms_helper llc mrp syscopyarea sysfillrect sysimgblt fb_sys_fops
ttm tg3 ptp drm uas crc32c_intel smartpqi pps_core usb_storage
scsi_transport_sas i2c_core
[ 5224.325853] CPU: 41 PID: 2784 Comm: ndctl Not tainted 4.12.0+ #1
[ 5224.331881] Hardware name: HPE 
[ 5224.340435] task: ffff91d7c75a5a00 task.stack: ffffb25006b08000
[ 5224.346380] RIP: 0010:nd_pmem_namespace_label_update+0x6d6/0x6e0
[libnvdimm]
[ 5224.353453] RSP: 0018:ffffb25006b0bca0 EFLAGS: 00010246
[ 5224.358695] RAX: 0000000000000029 RBX: ffff91d7c69937c0 RCX: 0000000000000000
[ 5224.365856] RDX: 0000000000000000 RSI: ffff91e63f84df98 RDI: ffff91e63f84df98
[ 5224.373016] RBP: ffffb25006b0bd58 R08: 00000000fffffffe R09: 0000000000000fb9
[ 5224.380178] R10: 0000000000000005 R11: 0000000000000fb8 R12: 0000000000000004
[ 5224.387338] R13: ffff91e63ecbfb80 R14: ffff91e636da0400 R15: ffff91e6082edc00
[ 5224.394499] FS:  00007fdf83eaad80(0000) GS:ffff91e63f840000(0000) knlGS:0000000000000000
[ 5224.402617] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5224.408383] CR2: 00007f2736a87b00 CR3: 0000000fa2228000 CR4: 00000000007406e0
[ 5224.415545] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5224.422704] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5224.429866] PKRU: 55555554
[ 5224.432582] Call Trace:
[ 5224.435040]  ? kfree+0x133/0x180
[ 5224.438283]  nd_namespace_label_update+0xec/0x130 [libnvdimm]
[ 5224.444052]  uuid_store+0x17c/0x1a0 [libnvdimm]
[ 5224.448602]  ? _copy_to_user+0x26/0x40
[ 5224.452369]  dev_attr_store+0x18/0x30
[ 5224.456047]  sysfs_kf_write+0x3a/0x50
[ 5224.459721]  kernfs_fop_write+0xff/0x180
[ 5224.463660]  __vfs_write+0x37/0x170
[ 5224.467165]  ? selinux_file_permission+0xe5/0x120
[ 5224.471887]  ? security_file_permission+0x3b/0xc0
[ 5224.476609]  vfs_write+0xb2/0x1b0
[ 5224.479936]  SyS_write+0x55/0xc0
[ 5224.483177]  entry_SYSCALL_64_fastpath+0x1a/0xa5
[ 5224.487811] RIP: 0033:0x7fdf831c7b50
[ 5224.491399] RSP: 002b:00007fff147a2348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 5224.498996] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdf831c7b50
[ 5224.506157] RDX: 0000000000000025 RSI: 00007fff147a23f0 RDI: 0000000000000003
[ 5224.513318] RBP: 00007fff147a1fd0 R08: 000000000000e4f0 R09: 0000000000000024
[ 5224.520479] R10: 0000000000000873 R11: 0000000000000246 R12: 0000000000405500
[ 5224.527640] R13: 00007fff147a2880 R14: 0000000000000000 R15: 0000000000000000
[ 5224.534801] Code: 85 db 49 89 c4 75 04 49 8b 5f 18 49 8d 7f 08 e8 11
e4 f6 cd 44 89 e1 48 89 c6 48 89 da 48 c7 c7 38 ae 57 c0 31 c0 e8 5d eb
b6 cd <0f> ff eb a3 66 0f 1f 44 00 00 0f 1f 44 00 00 55 48 85 d2 48 89
[ 5224.553745] ---[ end trace 0608553751bfd078 ]---