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Re: postgresql 8 abort with signal 10

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Alexandre,

I saw reports (and observed the problem myself) that all sort of
different softwares suffering from signal 11 under FreeBSD (more often
seen on 5-STABLE). So far the collection is: Apache 1.3 (myself),
Mysql (recent descussion on freebsd-stable list) and now postgresql...
The hardware is not the point of failure here. Try to post this into
freebsd-stable - perhaps additional problem report will help them find
the cause.

p.s. here is the last one I see in my apache error log:
[Wed Mar  9 17:50:45 2005] [notice] child pid 95642 exit signal
Segmentation fault (11)

On 5/3/05, Alexandre Biancalana <biancalana@xxxxxxxxx> wrote:
> Hi list,
> 
>  I'm running postgresql 8.0.1 on FreeBSD 4.11-STABLE, the machine is
> and AMD Sempron 2.2, 1GB Ram..
> 
>  I use postgresql as database for dspam, an spam classification
> program. This database have and moderated use, on averange 10
> simultaneous conections executing relative big queries using "in"
> clausule.
> 
> Watching postgresql logs I see the following messages ocurs a lot of
> times in a day:
> 
> May  3 06:58:44 e-filter postgres[250]: [21-1] LOG:  server process
> (PID 59608) was terminated by signal 10
> May  3 06:58:44 e-filter postgres[250]: [22-1] LOG:  terminating any
> other active server processes
> May  3 06:58:44 e-filter postgres[59605]: [21-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:44 e-filter postgres[59605]: [21-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 06:58:44 e-filter postgres[59605]: [21-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 06:58:44 e-filter postgres[59605]: [21-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 06:58:44 e-filter postgres[59607]: [21-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:44 e-filter postgres[59607]: [21-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 06:58:44 e-filter postgres[59607]: [21-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 06:58:44 e-filter postgres[59607]: [21-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 06:58:44 e-filter postgres[59606]: [21-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:44 e-filter postgres[59606]: [21-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 06:58:44 e-filter postgres[59606]: [21-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 06:58:44 e-filter postgres[59606]: [21-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 06:58:44 e-filter postgres[59626]: [21-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:44 e-filter postgres[59626]: [21-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 06:58:44 e-filter postgres[59626]: [21-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 06:58:44 e-filter postgres[59626]: [21-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 06:58:44 e-filter postgres[59628]: [21-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:44 e-filter postgres[59629]: [21-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:44 e-filter postgres[59629]: [21-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 06:58:44 e-filter postgres[59629]: [21-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 06:58:44 e-filter postgres[59629]: [21-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 06:58:44 e-filter postgres[59628]: [21-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 06:58:44 e-filter postgres[59628]: [21-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 06:58:44 e-filter postgres[59628]: [21-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 06:58:44 e-filter postgres[59609]: [21-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:44 e-filter postgres[59609]: [21-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 06:58:44 e-filter postgres[59609]: [21-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 06:58:44 e-filter postgres[59609]: [21-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 06:58:44 e-filter postgres[59627]: [21-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:44 e-filter postgres[59627]: [21-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 06:58:44 e-filter postgres[59627]: [21-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 06:58:44 e-filter postgres[59627]: [21-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 06:58:45 e-filter postgres[69093]: [23-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:45 e-filter postgres[69093]: [23-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 06:58:45 e-filter postgres[69093]: [23-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 06:58:45 e-filter postgres[69093]: [23-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 06:58:45 e-filter postgres[59620]: [21-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:46 e-filter postgres[59620]: [21-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 06:58:46 e-filter postgres[59620]: [21-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 06:58:46 e-filter postgres[59620]: [21-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 06:58:46 e-filter postgres[59619]: [21-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:46 e-filter postgres[59619]: [21-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 06:58:46 e-filter postgres[59619]: [21-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 06:58:46 e-filter postgres[59619]: [21-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 06:58:46 e-filter postgres[59624]: [21-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:46 e-filter postgres[59624]: [21-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 06:58:46 e-filter postgres[59624]: [21-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 06:58:46 e-filter postgres[59624]: [21-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 06:58:46 e-filter postgres[59623]: [21-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:46 e-filter postgres[59623]: [21-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 06:58:46 e-filter postgres[59623]: [21-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 06:58:46 e-filter postgres[59623]: [21-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 06:58:46 e-filter postgres[59625]: [21-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:46 e-filter postgres[59625]: [21-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 06:58:46 e-filter postgres[59625]: [21-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 06:58:46 e-filter postgres[59625]: [21-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 06:58:46 e-filter postgres[59622]: [21-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:46 e-filter postgres[59622]: [21-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 06:58:46 e-filter postgres[59622]: [21-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 06:58:46 e-filter postgres[59622]: [21-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 06:58:46 e-filter postgres[59621]: [22-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 06:58:49 e-filter postgres[250]: [23-1] LOG:  all server
> processes terminated; reinitializing
> May  3 06:58:51 e-filter postgres[13478]: [24-1] LOG:  database system
> was interrupted at 2005-05-03 06:58:16 EST
> May  3 06:58:51 e-filter postgres[13478]: [25-1] LOG:  checkpoint
> record is at 14/99F69378
> May  3 06:58:51 e-filter postgres[13478]: [26-1] LOG:  redo record is
> at 14/99F69378; undo record is at 0/0; shutdown FALSE
> May  3 06:58:51 e-filter postgres[13478]: [27-1] LOG:  next
> transaction ID: 3639687; next OID: 388415
> May  3 06:58:51 e-filter postgres[13478]: [28-1] LOG:  database system
> was not properly shut down; automatic recovery in progress
> May  3 06:58:51 e-filter postgres[13478]: [29-1] LOG:  redo starts at
> 14/99F693B4
> May  3 06:58:53 e-filter postgres[13478]: [30-1] LOG:  record with
> zero length at 14/9AE223F0
> May  3 06:58:53 e-filter postgres[13478]: [31-1] LOG:  redo done at 14/9AE223C8
> May  3 06:58:54 e-filter postgres[13484]: [24-1] FATAL:  the database
> system is starting up
> May  3 06:58:54 e-filter postgres[13485]: [24-1] FATAL:  the database
> system is starting up
> May  3 06:58:55 e-filter postgres[13488]: [24-1] FATAL:  the database
> system is starting up
> May  3 06:58:57 e-filter postgres[13478]: [32-1] LOG:  database system is ready
> 
> and some time latter its ocur again:
> May  3 09:59:38 e-filter postgres[250]: [24-1] LOG:  server process
> (PID 34743) was terminated by signal 10
> May  3 09:59:38 e-filter postgres[250]: [25-1] LOG:  terminating any
> other active server processes
> May  3 09:59:38 e-filter postgres[35215]: [24-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 09:59:38 e-filter postgres[35215]: [24-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 09:59:38 e-filter postgres[35215]: [24-3]  process exited
> abnormally and possibly corrupted shared memory.
> May  3 09:59:38 e-filter postgres[35215]: [24-4] HINT:  In a moment
> you should be able to reconnect to the database and repeat your
> command.
> May  3 09:59:38 e-filter postgres[34744]: [24-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 09:59:38 e-filter postgres[34744]: [24-2] DETAIL:  The
> postmaster has commanded this server process to roll back the current
> transaction and exit, because another server
> May  3 09:59:38 e-filter postgres[33592]: [24-1] WARNING:  terminating
> connection because of crash of another server process
> May  3 09:59:38 e-filter postgres[34744]: [24-3]  process exited
> abnormally and possibly corrupted shared memory.
> 
> This is my postgresql.conf
> 
> max_connections = 70
> superuser_reserved_connections = 2
> shared_buffers = 81920
> work_mem = 10240
> maintenance_work_mem = 51200
> fsync = true
> checkpoint_segments = 8
> effective_cache_size = 100000
> log_destination = 'syslog'
> silent_mode = true
> lc_messages = 'C'
> lc_monetary = 'C'
> lc_numeric = 'C'
> lc_time = 'C'
> 
> and the shared memory configuration:
> 
> kern.ipc.shmmax: 700000000
> kern.ipc.shmmin: 1
> kern.ipc.shmmni: 192
> kern.ipc.shmseg: 256
> kern.ipc.shmall: 700000000
> 
> I have some configuration error that could result in this kind of problem ?
> 
> Any ideas ? Any thoughts ?
> 
> Best Regards,
> Alexandre
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster
> 


-- 

Vlad

---------------------------(end of broadcast)---------------------------
TIP 6: Have you searched our list archives?

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