Re: Re: backend closing connections while executing...

It should mean that the backend exited with a SIGSEGV, probably a bug.
There should be a core file in your database directory.  Can you get
a backtrace from it?

On Thu, 25 Jan 2001, Anand Raman wrote:

> hi guys
> on looking at the postgres log i could find this information too
>
> DEBUG:  Data Base System is in production state at Wed Jan 24 20:20:26 2001
> Server process (pid 22751) exited with status 139 at Wed Jan 24 20:23:33 2001
> Terminating any active server processes...
> Server processes were terminated at Wed Jan 24 20:23:33 2001
> Reinitializing shared memory and semaphores
> DEBUG:  Data Base System is starting up at Wed Jan 24 20:23:33 2001
> DEBUG:  Data Base System was interrupted being in production at Wed Jan 24 20:20:26 2001
> DEBUG:  Data Base System is in production state at Wed Jan 24 20:23:33 2001
> The Data Base System is starting up
>
>
> What is status 139 and how can i avoid it..
>
>
> Thanks for any help
> Anand
>
> On Thu, Jan 25, 2001 at 01:06:01AM +0530, Anand Raman wrote:
> >hi guys
> >
> >While executing a simple query my the psql session reports that the
> >session has closed abnormally..
> >
> >Can any one point out why .. The sample sql query is as follows..
> >
> >arttoday=# select
> >arttoday-#     art1.name,
> >arttoday-#     CASE WHEN exh.title IS NULL THEN 'Untitled' ELSE exh.title END,
> >arttoday-#     ltrim(to_char(exh_dist.length,'9999D99')) ||
> >arttoday-#         CASE WHEN exh_dist.breadth IS NOT NULL
> >arttoday-#             THEN ' x '||ltrim(to_char(exh_dist.breadth,'9999D00'))||' cms.'
> >arttoday-#             ELSE ' cms '||exh_dist.dimensional_aspect END
> >arttoday-# from
> >arttoday-#     exhibit_distributions exh_dist,
> >arttoday-#     exhibits exh,
> >arttoday-#     artists art1
> >arttoday-# where
> >arttoday-#     exh_dist.gallery_id = 21
> >arttoday-# and exh_dist.exhibit_id = exh.exhibit_id
> >arttoday-# and exh.artist_id2 IS NULL
> >arttoday-# and exh.artist_id1 = art1.artist_id;
> >pqReadData() -- backend closed the channel unexpectedly.
> >This probably means the backend terminated abnormally
> >before or while processing the request.
> >The connection to the server was lost. Attempting reset:
> >Succeeded.
> >
> >I am running postgresql 702 on Redhat..
> >
> >I use the following command line parameters to start the db
> >pg_ctl -o '-i -B 100 -N 50 -o "-C -F -S4096"' start 1>postmaster.log 2>&1
> >
> >The tables are fairly small with 600 odd rows ..
> >
> >Also when i do a query as simple as
> >arttoday=# select ltrim(to_char(exh_dist.length,'9999D99')) from exhibit_distributions exh_dist
> >the backend closes abnormally..
> >
> >Can any help me out of this ..
> >
> >Thanks
> >Anand
>