Created attachment 16964 [details] log.smbd Getting panics periodically while macOS clients are backing up to my Samba 4.13.5-Ubuntu smb server. Log file attached. Here's my smb.conf... [global] allow dns updates = disabled bind interfaces only = Yes client min protocol = SMB3_02 dcerpc endpoint servers = rpcecho delete veto files = Yes disable netbios = Yes disable spoolss = Yes dns forwarder = 192.168.1.1 dns proxy = No # Do not need core dumps (but Samba docs say to leave it alone) ;enable core files = No enhanced browsing = No # Next line requires catia (but is it needed if no Windows clients?) fruit:encoding = native fruit:metadata = stream fruit:model = Macmini7 # Not using NFS... fruit:nfs_aces = No # Next line needed for ZFS fruit:resource = xattr fruit:zero_file_id = Yes fstype = Samba host msdfs = No inherit acls = Yes inherit permissions = Yes interfaces = lan lm announce = No load printers = No log file = /var/log/samba/log.smbd # Change next one to zero to speed things up log level = 1 logging = file max log size = 10000 mdns name = mdns multicast dns register = No name resolve order = host bcast pam password change = Yes panic action = /usr/share/samba/panic-action %d passwd chat = "*New Password:*" %n\n "*Reenter New Password:*" %n\n "*Password changed.*" passwd program = /usr/bin/passwd %u printcap cache time = 0 printcap name = /dev/null printing = bsd restrict anonymous = 2 rpc_server:epmapper = disabled rpc_server:winreg = disabled rpc_server:lsarpc = disabled rpc_server:samr = disabled rpc_server:netlogon = disabled rpc_server:netdfs = disabled rpc_server:dssetup = disabled rpc_server:wkssvc = disabled rpc_server:spoolss = disabled rpc_server:svcctl = disabled rpc_server:ntsvcs = disabled rpc_server:eventlog = disabled rpc_server:initshutdown = disabled rpc_server:mdssvc = disabled server max protocol = SMB3_11 server min protocol = SMB3_02 # Next one is experimental server multi channel support = Yes server role = standalone server server services = rpc, smb server string = %h server (Samba 4.13.5, Ubuntu 21.10) show add printer wizard = No smb ports = 445 unix password sync = Yes use sendfile = Yes veto files = /._*/.DS_Store/ vfs objects = catia fruit streams_xattr [homes] browseable = No comment = Home Directory fruit:time machine = No guest ok = No path = %H spotlight = Yes spotlight backend = elasticsearch valid users = %S writable = Yes [Backup] comment = Time Machine fruit:time machine = Yes guest ok = No path = /external/%U spotlight = No valid users = %U writable = Yes