[Samba] classicupgrade

[Corrado Ravinetto]

Hello at all
after a classicupgrade from samba 3.6 to samba 4.9.1
at first tests i found many error in log.smbd like these :

[2018/10/31 15:26:51.317398,  0] 
../source3/smbd/uid.c:386(change_to_user_internal)
   change_to_user_internal: chdir_current_service() failed!
[2018/10/31 15:26:51.317567,  0] 
../source3/smbd/process.c:1627(switch_message)
   Error: Could not change to user. Removing deferred open, mid=192.
[2018/10/31 15:26:51.341349,  0] 
../source3/smbd/uid.c:386(change_to_user_internal)
   change_to_user_internal: chdir_current_service() failed!
[2018/10/31 15:26:51.341425,  0] 
../source3/smbd/process.c:1627(switch_message)
   Error: Could not change to user. Removing deferred open, mid=384.
[2018/10/31 15:26:51.392354,  0] 
../source3/smbd/uid.c:386(change_to_user_internal)
   change_to_user_internal: chdir_current_service() failed!
[2018/10/31 15:26:51.392437,  0] 
../source3/smbd/process.c:1627(switch_message)
   Error: Could not change to user. Removing deferred open, mid=1024.
[2018/10/31 15:26:51.415166,  0] 
../source3/smbd/uid.c:386(change_to_user_internal)
   change_to_user_internal: chdir_current_service() failed!
[2018/10/31 15:26:51.415239,  0] 
../source3/smbd/process.c:1627(switch_message)
   Error: Could not change to user. Removing deferred open, mid=1216.

apparently clients works fine, but can you explain me these errors ??
what's wrong ??

many thanks

-- 

*Corrado Ravinetto *