May 04 22:33:12 archnet smbd[5855]: smbd_vfs_init: vfs_init_custom failed for btrfs May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.160279, 0] ../../source3/smbd/service.c:638(make_connection_snum) May 04 22:33:12 archnet smbd[5855]: make_connection_snum: vfs_init failed for service Share May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.168729, 0] ../../lib/util/modules.c:49(load_module) May 04 22:33:12 archnet smbd[5855]: Error loading module '/usr/lib/samba/vfs/btrfs.so': /usr/lib/samba/libsamba-debug-samba4.so: version `SAMBA_4.16.1_SAMBA4' not found (required by /usr/lib/samba/vfs/btrfs.so) May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.168820, 0] ../../source3/smbd/vfs.c:185(vfs_init_custom) May 04 22:33:12 archnet smbd[5855]: error probing vfs module 'btrfs': NT_STATUS_UNSUCCESSFUL May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.168860, 0] ../../source3/smbd/vfs.c:399(smbd_vfs_init) May 04 22:33:12 archnet smbd[5855]: smbd_vfs_init: vfs_init_custom failed for btrfs May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.168890, 0] ../../source3/smbd/service.c:638(make_connection_snum) May 04 22:33:12 archnet smbd[5855]: make_connection_snum: vfs_init failed for service Share May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.177853, 0] ../../lib/util/modules.c:49(load_module) May 04 22:33:12 archnet smbd[5855]: Error loading module '/usr/lib/samba/vfs/btrfs.so': /usr/lib/samba/libsamba-debug-samba4.so: version `SAMBA_4.16.1_SAMBA4' not found (required by /usr/lib/samba/vfs/btrfs.so) May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.178206, 0] ../../source3/smbd/vfs.c:185(vfs_init_custom) May 04 22:33:12 archnet smbd[5855]: error probing vfs module 'btrfs': NT_STATUS_UNSUCCESSFUL May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.178444, 0] ../../source3/smbd/vfs.c:399(smbd_vfs_init) May 04 22:33:12 archnet smbd[5855]: smbd_vfs_init: vfs_init_custom failed for btrfs May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.178552, 0] ../../source3/smbd/service.c:638(make_connection_snum) May 04 22:33:12 archnet smbd[5855]: make_connection_snum: vfs_init failed for service Share May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.185953, 0] ../../lib/util/modules.c:49(load_module) May 04 22:33:12 archnet smbd[5855]: Error loading module '/usr/lib/samba/vfs/btrfs.so': /usr/lib/samba/libsamba-debug-samba4.so: version `SAMBA_4.16.1_SAMBA4' not found (required by /usr/lib/samba/vfs/btrfs.so) May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.186049, 0] ../../source3/smbd/vfs.c:185(vfs_init_custom) May 04 22:33:12 archnet smbd[5855]: error probing vfs module 'btrfs': NT_STATUS_UNSUCCESSFUL May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.186109, 0] ../../source3/smbd/vfs.c:399(smbd_vfs_init) May 04 22:33:12 archnet smbd[5855]: smbd_vfs_init: vfs_init_custom failed for btrfs May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.186161, 0] ../../source3/smbd/service.c:638(make_connection_snum) May 04 22:33:12 archnet smbd[5855]: make_connection_snum: vfs_init failed for service Share May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.194031, 0] ../../lib/util/modules.c:49(load_module) May 04 22:33:12 archnet smbd[5855]: Error loading module '/usr/lib/samba/vfs/btrfs.so': /usr/lib/samba/libsamba-debug-samba4.so: version `SAMBA_4.16.1_SAMBA4' not found (required by /usr/lib/samba/vfs/btrfs.so) May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.194149, 0] ../../source3/smbd/vfs.c:185(vfs_init_custom) May 04 22:33:12 archnet smbd[5855]: error probing vfs module 'btrfs': NT_STATUS_UNSUCCESSFUL May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.194210, 0] ../../source3/smbd/vfs.c:399(smbd_vfs_init) May 04 22:33:12 archnet smbd[5855]: smbd_vfs_init: vfs_init_custom failed for btrfs May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.194262, 0] ../../source3/smbd/service.c:638(make_connection_snum) May 04 22:33:12 archnet smbd[5855]: make_connection_snum: vfs_init failed for service Share May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.201780, 0] ../../lib/util/modules.c:49(load_module) May 04 22:33:12 archnet smbd[5855]: Error loading module '/usr/lib/samba/vfs/btrfs.so': /usr/lib/samba/libsamba-debug-samba4.so: version `SAMBA_4.16.1_SAMBA4' not found (required by /usr/lib/samba/vfs/btrfs.so) May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.201876, 0] ../../source3/smbd/vfs.c:185(vfs_init_custom) May 04 22:33:12 archnet smbd[5855]: error probing vfs module 'btrfs': NT_STATUS_UNSUCCESSFUL May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.201936, 0] ../../source3/smbd/vfs.c:399(smbd_vfs_init) May 04 22:33:12 archnet smbd[5855]: smbd_vfs_init: vfs_init_custom failed for btrfs May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.201989, 0] ../../source3/smbd/service.c:638(make_connection_snum) May 04 22:33:12 archnet smbd[5855]: make_connection_snum: vfs_init failed for service Share May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.209577, 0] ../../lib/util/modules.c:49(load_module) May 04 22:33:12 archnet smbd[5855]: Error loading module '/usr/lib/samba/vfs/btrfs.so': /usr/lib/samba/libsamba-debug-samba4.so: version `SAMBA_4.16.1_SAMBA4' not found (required by /usr/lib/samba/vfs/btrfs.so) May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.209712, 0] ../../source3/smbd/vfs.c:185(vfs_init_custom) May 04 22:33:12 archnet smbd[5855]: error probing vfs module 'btrfs': NT_STATUS_UNSUCCESSFUL May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.209792, 0] ../../source3/smbd/vfs.c:399(smbd_vfs_init) May 04 22:33:12 archnet smbd[5855]: smbd_vfs_init: vfs_init_custom failed for btrfs May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.209841, 0] ../../source3/smbd/service.c:638(make_connection_snum) May 04 22:33:12 archnet smbd[5855]: make_connection_snum: vfs_init failed for service Share May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.217567, 0] ../../lib/util/modules.c:49(load_module) May 04 22:33:12 archnet smbd[5855]: Error loading module '/usr/lib/samba/vfs/btrfs.so': /usr/lib/samba/libsamba-debug-samba4.so: version `SAMBA_4.16.1_SAMBA4' not found (required by /usr/lib/samba/vfs/btrfs.so) May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.217704, 0] ../../source3/smbd/vfs.c:185(vfs_init_custom) May 04 22:33:12 archnet smbd[5855]: error probing vfs module 'btrfs': NT_STATUS_UNSUCCESSFUL May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.217766, 0] ../../source3/smbd/vfs.c:399(smbd_vfs_init) May 04 22:33:12 archnet smbd[5855]: smbd_vfs_init: vfs_init_custom failed for btrfs May 04 22:33:12 archnet smbd[5855]: [2022/05/04 22:33:12.217815, 0] ../../source3/smbd/service.c:638(make_connection_snum) May 04 22:33:12 archnet smbd[5855]: make_connection_snum: vfs_init failed for service Share
linked bug: https://bugs.archlinux.org/task/74642
At a first glance this looks like a packaging issue, perhaps VFS modules from different Samba versions are being mixed?