amavisd-2.5.1 TROUBLE in child_init_hook: BDB no dbS: Unknown locker ID: 34d6

Hi

Today I got:
Jun 13 07:12:31 mail03 amavis[59855]: (!!)TROUBLE in
child_init_hook:
BDB no dbS: Unknown locker ID: 34d6, . at (eval 62) line
30.
Jun 13 07:12:31 mail03 amavis[59855]: (!)_DIE: Suicide in
child_init_hook: BDB no dbS: Unknown locker ID: 34d6, . at
(eval 62)
line 30.n

I never have seen anything like this. Is this a bug? I don't
know if i
can reproduce this problem again. restarting of amavis fixed
the issue.

It's FreeBSD 5.5 with amavisd-new 2.5.1

Regards,
Thomas
-- 
"UNIX is basically a simple operating system, but you
have to be a
genius to understand the simplicity." Dennis Ritchie

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Hi

Ops sorry, forget about it. I didn't see the thread about
this issue in
the archive. I will try the tips from the FAQ.

I have /var/amavis/db/; BerkeleyDB 0.31, libdb 4.3 and
sorry.

Regards,
Thomas

Thomas Vogt wrote:
> Hi
> 
> Today I got:
> Jun 13 07:12:31 mail03 amavis[59855]: (!!)TROUBLE in
child_init_hook:
> BDB no dbS: Unknown locker ID: 34d6, . at (eval 62)
line 30.
> Jun 13 07:12:31 mail03 amavis[59855]: (!)_DIE: Suicide
in
> child_init_hook: BDB no dbS: Unknown locker ID: 34d6, .
at (eval 62)
> line 30.n
> 
> I never have seen anything like this. Is this a bug? I
don't know if i
> can reproduce this problem again. restarting of amavis
fixed the issue.
> 
> It's FreeBSD 5.5 with amavisd-new 2.5.1
> 
> Regards,
> Thomas

-- 
"UNIX is basically a simple operating system, but you
have to be a
genius to understand the simplicity." Dennis Ritchie

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Thomas,

> I have /var/amavis/db/; BerkeleyDB 0.31, libdb 4.3
> It's FreeBSD 5.5 with amavisd-new 2.5.1

> > Jun 13 07:12:31 mail03 amavis[59855]: (!!)TROUBLE
in child_init_hook:
> > BDB no dbS: Unknown locker ID: 34d6, . at (eval
62) line 30.
> > Jun 13 07:12:31 mail03 amavis[59855]: (!)_DIE:
Suicide in
> > child_init_hook: BDB no dbS: Unknown locker ID:
34d6, . at (eval 62)
> > line 30.

> I didn't see the thread about this issue in
> the archive. I will try the tips from the FAQ.

These tips mostly apply to older versions of libdb, so
perhaps
what you are seeing is something new with a berkeley db.

I have seen some weird things happening to a bdb database
out of the blue (on a rare occasion, libdb 4.4), such as:

(!!)TROUBLE in child_init_hook: BDB can't connect db env.
   at /var/amavis/var/db/amavis: No such file or directory
   at (eval 62) line 309.
(even though files there still existed)

I don't know what to suggest. If the 'Unknown locker ID'
occured only once so far, I'd perhaps wait and see if it
happens again. Perhaps check to see if the databases/db43
is at the latest revision (4.3.29 it seems).

  Mark

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Hi Mark

Mark Martinec wrote:
> Thomas,
> 
>> I have /var/amavis/db/; BerkeleyDB 0.31, libdb 4.3
>> It's FreeBSD 5.5 with amavisd-new 2.5.1
> 
>>> Jun 13 07:12:31 mail03 amavis[59855]:
(!!)TROUBLE in child_init_hook:
>>> BDB no dbS: Unknown locker ID: 34d6, . at (eval
62) line 30.
>>> Jun 13 07:12:31 mail03 amavis[59855]: (!)_DIE:
Suicide in
>>> child_init_hook: BDB no dbS: Unknown locker ID:
34d6, . at (eval 62)
>>> line 30.
> 
>> I didn't see the thread about this issue in
>> the archive. I will try the tips from the FAQ.
> 
> These tips mostly apply to older versions of libdb, so
perhaps
> what you are seeing is something new with a berkeley
db.
> 
> I have seen some weird things happening to a bdb
database
> out of the blue (on a rare occasion, libdb 4.4), such
as:
> 
> (!!)TROUBLE in child_init_hook: BDB can't connect db
env.
>    at /var/amavis/var/db/amavis: No such file or
directory
>    at (eval 62) line 309.
> (even though files there still existed)
> 
> I don't know what to suggest. If the 'Unknown locker
ID'
> occured only once so far, I'd perhaps wait and see if
it
> happens again. Perhaps check to see if the
databases/db43
> is at the latest revision (4.3.29 it seems).


Now I have this issue every day on two other heavy loaded
machines with
db41. /var/amavis/db/; BerkeleyDB 0.31, libdb 4.1

I will update this system to db44. Perhaps the problem
disappears. The
third mailserver had no problem the last 2 days since I
reported the
issue with db4.3.

Regards,
Thomas

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Hi

I updated to the latest db44 but it didn't fix my issue.
Still have
"(!!)TROUBLE in child_init_hook: BDB no dbS: Unknown
locker ID: 2198
errors. . at (eval 64) line 30".

"Creating db in /var/amavis/db/; BerkeleyDB 0.31, libdb
4.4". I run
everything in a ram disk but I hadn't such locking issue
with 2.4.x.

I run 4 mail servers, all with the same configuration and OS
and nearly
same hardware. But it looks that not all machines are
affected in the
same way. Some of them have more problems than others with
this "unknown
locker" problem.

Now I set $db_enable=0 on the machine where I get this
locking issue
every few hours. I hope this fixes it. how large is the
speed impact
without db_enabled?


Regards,
Thomas


Thomas Vogt wrote:
> Hi Mark
> 
> Mark Martinec wrote:
>> Thomas,
>>
>>> I have /var/amavis/db/; BerkeleyDB 0.31, libdb
4.3
>>> It's FreeBSD 5.5 with amavisd-new 2.5.1
>>>> Jun 13 07:12:31 mail03 amavis[59855]:
(!!)TROUBLE in child_init_hook:
>>>> BDB no dbS: Unknown locker ID: 34d6, . at
(eval 62) line 30.
>>>> Jun 13 07:12:31 mail03 amavis[59855]:
(!)_DIE: Suicide in
>>>> child_init_hook: BDB no dbS: Unknown locker
ID: 34d6, . at (eval 62)
>>>> line 30.
>>> I didn't see the thread about this issue in
>>> the archive. I will try the tips from the FAQ.
>> These tips mostly apply to older versions of libdb,
so perhaps
>> what you are seeing is something new with a
berkeley db.
>>
>> I have seen some weird things happening to a bdb
database
>> out of the blue (on a rare occasion, libdb 4.4),
such as:
>>
>> (!!)TROUBLE in child_init_hook: BDB can't connect
db env.
>>    at /var/amavis/var/db/amavis: No such file or
directory
>>    at (eval 62) line 309.
>> (even though files there still existed)
>>
>> I don't know what to suggest. If the 'Unknown
locker ID'
>> occured only once so far, I'd perhaps wait and see
if it
>> happens again. Perhaps check to see if the
databases/db43
>> is at the latest revision (4.3.29 it seems).
> 
> 
> Now I have this issue every day on two other heavy
loaded machines with
> db41. /var/amavis/db/; BerkeleyDB 0.31, libdb 4.1
> 
> I will update this system to db44. Perhaps the problem
disappears. The
> third mailserver had no problem the last 2 days since I
reported the
> issue with db4.3.
> 
> Regards,
> Thomas
> 
>
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-------------
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> Download DB2 Express C - the FREE version of DB2
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-- 
"UNIX is basically a simple operating system, but you
have to be a
genius to understand the simplicity." Dennis Ritchie

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Thomas,

> I updated to the latest db44 but it didn't fix my
issue. Still have
> "(!!)TROUBLE in child_init_hook: BDB no dbS:
Unknown locker ID: 2198
> errors. . at (eval 64) line 30".
>
> "Creating db in /var/amavis/db/; BerkeleyDB 0.31,
libdb 4.4". I run
> everything in a ram disk but I hadn't such locking
issue with 2.4.x.

I don't think there were any changes between 2.4.x and
2.5.x
as far as bdb is concerned. Could be a coincidence.

> I run 4 mail servers, all with the same configuration
and OS and nearly
> same hardware. But it looks that not all machines are
affected in the
> same way. Some of them have more problems than others
with this "unknown
> locker" problem.
>
> Now I set $db_enable=0 on the machine where I get this
locking issue
> every few hours. I hope this fixes it. how large is the
speed impact
> without db_enabled?

Speed impact is not much, mainly you lose amavisd-nanny
health-checking ability, and statistics counters as
reported
by amavisd-agent.

  Mark

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