samba - May 2015 - Samba-4.1.18 romaing profile causes memory leak

Hi List,

I used samba-4.1.18 as domain controller and tried to use romaing profile.

I got memory leak when every account with profile path setting logout.

Every account with profile path setting eat almost 10mB memory so my samba
machine crash if there are many hundred account with profile setting in
domain.

Any option in smb.conf or operation can help ?

This is my reproduce setps:
1. create domain "testdom.ork"
2. create 10 accounts and set profile path in "share"
    for example : profile path of "user1 " is
"\\dc.testdom.ork\share\user1"
3. check MemFree in /proc/meminfo
4. login/logout 10 accounts created in step 2
5. check MemFree in proc/meminfo   <---almost 100mB reduced

my smb.conf:

[global]
workgroup = TESTDOM
realm = TESTDOM.ORK
netbios name = DC
server role = active directory domain controller
dns forwarder = 127.0.1.1

[netlogon]
path = /usr/local/samba/var/locks/sysvol/testdom.ork/scripts
read only = No

[sysvol]
path = /usr/local/samba/var/locks/sysvol
read only = No
[share]
path = /share
        read only = No

Are you running with DHCP IP adress? ( not adviced ) 

i see, .. 
>dns forwarder = 127.0.1.1 
run : 
hostname -i
hostname -I 
if you see anything with 127.0.x.x 
Then your setup is not correct and can have problems. ( for example with
authentication. )
please make sure your /etc/hosts file does not contain 127.0.1.1 of sorts. 
like : 
127.0.0.1 localhost localhost.localdomain
192.168.0.1 dc.sub.domain.tld dc


Greetz, 
Louis




>-----Oorspronkelijk bericht-----
>Van: wuhysmb at gmail.com [mailto:samba-bounces at lists.samba.org] 
>Namens hy wu
>Verzonden: woensdag 20 mei 2015 8:57
>Aan: samba at lists.samba.org
>Onderwerp: [Samba] Samba-4.1.18 romaing profile causes memory leak
>
>Hi List,
>
>I used samba-4.1.18 as domain controller and tried to use 
>romaing profile.
>
>I got memory leak when every account with profile path setting logout.
>
>Every account with profile path setting eat almost 10mB memory 
>so my samba
>machine crash if there are many hundred account with profile setting in
>domain.
>
>Any option in smb.conf or operation can help ?
>
>This is my reproduce setps:
>1. create domain "testdom.ork"
>2. create 10 accounts and set profile path in "share"
>    for example : profile path of "user1 " is 
>"\\dc.testdom.ork\share\user1"
>3. check MemFree in /proc/meminfo
>4. login/logout 10 accounts created in step 2
>5. check MemFree in proc/meminfo   <---almost 100mB reduced
>
>my smb.conf:
>
>[global]
>workgroup = TESTDOM
>realm = TESTDOM.ORK
>netbios name = DC
>server role = active directory domain controller
>dns forwarder = 127.0.1.1
>
>[netlogon]
>path = /usr/local/samba/var/locks/sysvol/testdom.ork/scripts
>read only = No
>
>[sysvol]
>path = /usr/local/samba/var/locks/sysvol
>read only = No
>[share]
>path = /share
>        read only = No
>-- 
>To unsubscribe from this list go to the following URL and read the
>instructions:  https://lists.samba.org/mailman/options/samba
>
>

I tried to use static IP  but memory leak still happened.

User account can login windows machine and read/write back user profile
correctly.

This problem does not only happen in samba-4.1.18.

I used samba as domain controller from samba-4.0.5 and this problem has
always been there.

2015-05-20 15:12 GMT+08:00 L.P.H. van Belle <belle at bazuin.nl>:
> Are you running with DHCP IP adress? ( not adviced )
>
> i see, ..
> >dns forwarder = 127.0.1.1
>
> run :
> hostname -i
> hostname -I
> if you see anything with 127.0.x.x
> Then your setup is not correct and can have problems. ( for example with
> authentication. )
> please make sure your /etc/hosts file does not contain 127.0.1.1 of sorts.
> like :
> 127.0.0.1 localhost localhost.localdomain
> 192.168.0.1 dc.sub.domain.tld dc
>
>
> Greetz,
> Louis
>
>
>
>
>
> >-----Oorspronkelijk bericht-----
> >Van: wuhysmb at gmail.com [mailto:samba-bounces at lists.samba.org]
> >Namens hy wu
> >Verzonden: woensdag 20 mei 2015 8:57
> >Aan: samba at lists.samba.org
> >Onderwerp: [Samba] Samba-4.1.18 romaing profile causes memory leak
> >
> >Hi List,
> >
> >I used samba-4.1.18 as domain controller and tried to use
> >romaing profile.
> >
> >I got memory leak when every account with profile path setting logout.
> >
> >Every account with profile path setting eat almost 10mB memory
> >so my samba
> >machine crash if there are many hundred account with profile setting in
> >domain.
> >
> >Any option in smb.conf or operation can help ?
> >
> >This is my reproduce setps:
> >1. create domain "testdom.ork"
> >2. create 10 accounts and set profile path in "share"
> >    for example : profile path of "user1 " is
> >"\\dc.testdom.ork\share\user1"
> >3. check MemFree in /proc/meminfo
> >4. login/logout 10 accounts created in step 2
> >5. check MemFree in proc/meminfo   <---almost 100mB reduced
> >
> >my smb.conf:
> >
> >[global]
> >workgroup = TESTDOM
> >realm = TESTDOM.ORK
> >netbios name = DC
> >server role = active directory domain controller
> >dns forwarder = 127.0.1.1
> >
> >[netlogon]
> >path = /usr/local/samba/var/locks/sysvol/testdom.ork/scripts
> >read only = No
> >
> >[sysvol]
> >path = /usr/local/samba/var/locks/sysvol
> >read only = No
> >[share]
> >path = /share
> >        read only = No
> >--
> >To unsubscribe from this list go to the following URL and read the
> >instructions:  https://lists.samba.org/mailman/options/samba
> >
> >
>
>