Samba 4 beta8 PANIC: internal error

[steve]

On 08/28/2012 08:29 PM, Michael Wood wrote:
> On 28 August 2012 13:55, steve <steve at steve-ss.com> wrote:
>> On 28/08/12 13:20, Andrew Bartlett wrote:
>>> On Tue, 2012-08-28 at 13:05 +0200, steve wrote:
>>>> Any ideas where to look next?
>>> Follow the directions I have recently given others on how to get us a
>>> useful backtrace from a panic/segfault.
>>>
>>> Once I get that, fixing a panic like this is normally pretty easy.
>> Hi
>> Thanks
>>
>> I'll try for the backtrace. Normally, before it gave the backtrace in e.g.
>> samba -i -M single -d3
>> But this time it crashes before the backtrace appears and throws me back at
>> the prompt.
>>
>> Can anyone help me with how to do a backtrace. Or a searchable list archive
>> link so I can try and find the reference?
> """
> If it still faults, please run under gdb (gdb --args samba -i -M single)
> and get me a backtrace (bt full).
> """
>
> On 08/28/2012 08:29 PM, Michael Wood wrote:
>
>> On 28 August 2012 13:55, steve <steve at steve-ss.com> wrote:
>>> On 28/08/12 13:20, Andrew Bartlett wrote:
>>>> On Tue, 2012-08-28 at 13:05 +0200, steve wrote:
>>>>> Any ideas where to look next?
>>>> Follow the directions I have recently given others on how to get us a
>>>> useful backtrace from a panic/segfault.
>>>>
>>>> Once I get that, fixing a panic like this is normally pretty easy.
>>> Hi
>>> Thanks
>>>
>>> I'll try for the backtrace. Normally, before it gave the backtrace 
>>> in e.g.
>>> samba -i -M single -d3
>>> But this time it crashes before the backtrace appears and throws me 
>>> back at
>>> the prompt.
>>>
>>> Can anyone help me with how to do a backtrace. Or a searchable list 
>>> archive
>>> link so I can try and find the reference?
>> """
>> If it still faults, please run under gdb (gdb --args samba -i -M single)
>> and get me a backtrace (bt full).
>> """
>>
> Hi Michael
> Thanks
>
> OK, I tried that:
>  gdb --args samba -i -M single
> GNU gdb (GDB) SUSE (7.4.50.20120603-2.1.2)
> Copyright (C) 2012 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later 
> <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.  Type "show 
> copying"
> and "show warranty" for details.
> This GDB was configured as "i586-suse-linux".
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>...
> Reading symbols from /usr/local/samba/sbin/samba...done.
> (gdb) bt full
> No stack.
> (gdb)
>
> Running without gdb:
>  samba -i -M single
> samba version 4.0.0beta8-GIT-9e441c4 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2012
> samba: using 'single' process model
> Bad talloc magic value - unknown value
> PANIC: Bad talloc magic value - unknown value
> Aborted
>
> And I'm back at the command prompt.
> Conclusion: running -M single crashes before any useful output is given.

>  This looks more promising:
> samba -i -d2
> lpcfg_load: refreshing parameters from /usr/local/samba/etc/smb.conf
> samba version 4.0.0beta8-GIT-9e441c4 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2012
> samba: using 'standard' process model
> Started file server smbd with config 
> /usr/local/samba/private/smbd.tmp/fileserver.conf
> dreplsrv_partition[CN=Configuration,DC=hh3,DC=site] loaded
> dreplsrv_partition[CN=Schema,CN=Configuration,DC=hh3,DC=site] loaded
> dreplsrv_partition[DC=hh3,DC=site] loaded
> dreplsrv_partition[DC=DomainDnsZones,DC=hh3,DC=site] loaded
> dreplsrv_partition[DC=ForestDnsZones,DC=hh3,DC=site] loaded
> kccsrv_partition[DC=hh3,DC=site] loaded
> kccsrv_partition[CN=Configuration,DC=hh3,DC=site] loaded
> kccsrv_partition[CN=Schema,CN=Configuration,DC=hh3,DC=site] loaded
> kccsrv_partition[DC=DomainDnsZones,DC=hh3,DC=site] loaded
> kccsrv_partition[DC=ForestDnsZones,DC=hh3,DC=site] loaded
> /usr/local/samba/sbin/smbd: smbd version 4.0.0beta8-GIT-9e441c4 started.
> /usr/local/samba/sbin/smbd: Copyright Andrew Tridgell and the Samba 
> Team 1992-2012
> /usr/local/samba/sbin/smbd: standard input is not a socket, assuming 
> -D option
> Bad talloc magic value - unknown value
> PANIC: Bad talloc magic value - unknown value
>
>
>
> I did a samba -i - d10 log?
> http://dl.dropbox.com/u/45150875/d10log

> This machine is just a simple DC. No replication, upgraded from a 
> working DC this morning.
Is there anything else I can try to get this install back?
>
> Thanks.
> Steve