[Samba] Active directory - Unclean shutdown

[Andrew Bartlett]

On Mon, 2012-10-01 at 13:58 +0000, Bjoern.Becker at easycash.de wrote:
> Hello,
> 
> i try to connect samba with my active directory. I was able to join the domain successfully and my winbindd running fine.
> 
> With samba 3.4.3 and samba 3.6.7 i get the following error when i try to connect to a share from a windows 7 box:
> 
> [2012/10/01 15:01:14,  4] smbd/vfs.c:753(vfs_ChDir)
>   vfs_ChDir to /
> [2012/10/01 15:01:14,  3] smbd/sec_ctx.c:310(set_sec_ctx)
>   setting sec ctx (0, 0) - sec_ctx_stack_ndx = 0
> [2012/10/01 15:01:14,  5] auth/token_util.c:522(debug_nt_user_token)
>   NT user token: (NULL)
> [2012/10/01 15:01:14,  5] auth/token_util.c:548(debug_unix_user_token)
>   UNIX token of user 0
>   Primary group is 0 and contains 0 supplementary groups
> [2012/10/01 15:01:14,  5] smbd/uid.c:368(change_to_root_user)
>   change_to_root_user: now uid=(0,0) gid=(0,0)
> [2012/10/01 15:01:14,  3] smbd/connection.c:31(yield_connection)
>   Yielding connection to 
> [2012/10/01 15:01:14,  3] smbd/server.c:845(exit_server_common)
>   Server exit (failed to receive smb request)
> [2012/10/01 15:01:14,  3] smbd/server.c:216(remove_child_pid)
>   smbd/server.c:216 Unclean shutdown of pid 28928

Aside from looking a little scary, are you aware of any actual problem
with your install?

> In my despair i try the same with samba 4.0.0beta8 and it works but
> unfortunately unstable. I be able to map the share but when i try to
> access the samba server getting PANIC. I suppose that i have to use
> samba 4 because i need smbv2? I thought that samba 3.5.* supporting
> smb v2 too.

There have been some PANICs reported with Samba 4.0, and most of them
have been dealt with.  We have a new lock ordering restriction (designed
to prevent deadlocks by ensuring that locks are taken and returned in
the same, correct order at all times), and on some failure paths the
auto-cleanup does things in the wrong order.  The most visible one of
these was fixed for rc1 as I understand it, and rc2 is due out in the
next few days.

If you can still reproduce a panic on v4-0-test or (if you want to
follow the master series master) then please file a bug.

Andrew Bartlett

-- 
Andrew Bartlett                                http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org