Re: BUG #16145: Not able to terminate active session

On Wed, Dec 04, 2019 at 12:26:14AM +0800, MOHAN KUMAR DORAIRAJ wrote:
>Dear Tomas
>
>Please find the info
>
>
>-bash-4.2$ gdb -p 16647
>GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-115.el7
>Copyright (C) 2013 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 "x86_64-redhat-linux-gnu".
>For bug reporting instructions, please see:
><http://www.gnu.org/software/gdb/bugs/>.
>Attaching to process 16647
>Reading symbols from /usr/pgsql-11/bin/postgres...Reading symbols from
>/usr/pgsql-11/bin/postgres...(no debugging symbols found)...done.
>(no debugging symbols found)...done.
>Reading symbols from /lib64/libpthread.so.0...(no debugging symbols
>found)...done.
>[Thread debugging using libthread_db enabled]
>Using host libthread_db library "/lib64/libthread_db.so.1".
>...
>Reading symbols from /db/oraclnt/12.2.0/lib/libnque12.so...(no debugging
>symbols found)...done.
>Loaded symbols for /db/oraclnt/12.2.0/lib/libnque12.so
>0x00007f5503e826e0 in __read_nocancel () from /lib64/libpthread.so.0
>Missing separate debuginfos, use: debuginfo-install
>postgresql11-server-11.2-2PGDG.rhel7.x86_64
>(gdb) quit
>A debugging session is active.
>
>        Inferior 1 [process 16647] will be detached.
>
>Quit anyway? (y or n) y
>Detaching from program: /usr/pgsql-11/bin/postgres, process 16647
>

This is still just the initial info gdb shows after attaching to the
process. You need to do "bt" or "backtrace" before quitting.


regards

-- 
Tomas Vondra                  http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services