problem with dead 'drop table' process

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hi,
today i wanted to backup my entire database with a 'pg_dumpall'. during this i got an error message that the copy of a certain table to stderr is not possible. i don't know the exact error message right know it was something like ...

"failure:  copy strside ( [columns] ) to stderr"
and the dump was aborted.

then i tried to copy the content of the faulty table to another table...

# create table strside2 (like strside);
# insert into strside2 select * from strside;

during the insert process the connection to the postgres db was lost. the logfile showed following error message ...

LOG:  server process (PID 5540) was terminated by signal 11
LOG:  terminating any other active server processes
WARNING:  terminating connection because of crash of another server process
DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.
HINT:  In a moment you should be able to reconnect to the database and repeat your command.
LOG:  all server processes terminated; reinitializing
LOG:  database system was interrupted at 2006-01-20 07:56:30 PST
.. following recovery start.

to save the database on a filesystem basis i stopped the postgres server and tried to tar the entire pgdata directory. this process stopped with a "segmentation fault" during the tar process.

after that i wanted to drop the faulty table, because i got another copy of it. however the "drop table strside" process did not stop. i tried a ctrl-c to abort, but it did not work.

the server is running, and i can connect with another psql client, but the drop table process is still present. ps aux shows

postgres  5548  0.0  0.8 16420 4548 ?   D   07:58   0:00 postgres: postgres wlan [local] DROP TABLE

i cannot kill it with kill -9, and also i'm not sure if i should. maybe the database is not running after it at all?

anyone got any hints?
thanx,
chris





--
Christian Sengstock - Tel: 06221 / 650 5889, Mob: 0178 / 38 79 671

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