Linux RHEL5, using sernet 3.6.x rpm packages.

Starting in 3.6.8, smbstatus won't print the "Locked files" section anymore, unless you run is as root. Using "-d 2" or stracing reveals it's trying to read serverid.tdb (which it's a new thing in 3.6.8 it seems):
    open("/var/lib/samba/serverid.tdb", O_RDWR|O_CREAT|O_LARGEFILE, 0644) = -1
    EACCES (Permission denied)

    tdb(/var/lib/samba/serverid.tdb): tdb_open_ex: could not open file /var/lib/samba/serverid.tdb: Permission denied

Was this done intentionally? The smbstatus man page of 3.6.7 is the same of 3.6.8, so this is not clear.
Could the file be opened read-only instead of RW since the serverid.tdb file is 644?

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Also, in the recent past another change caused the smbstatus section
"PID     Username      Group         Machine"
to also be filled only if you run smbstatus as root due to opening /var/lib/samba/sessionid.tdb RW.

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Are you supposed to always run smbstatus as root?

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smb.conf I used during tests:
[global]
workgroup = WORKGROUP
guest account = ftp
preferred master = no
os level = 1
map to guest = bad user
[tmp]
path = /tmp/smb
guest ok = yes
writeable = yes