Hi Craig,

Thanks for the response.

Scenario tried here is restart of the system multiple times. sh-QUIT core is 
generated when Postgres is invoking the shell to exit and may not be due to 
kernel or file system issues. I will try to reproduce the issue with dmesg 
output being printed.

However, is there any instance in Postgres where 'sh -c exit 1' will be invoked?


-----Original Message-----
From: Craig Ringer [mailto:cr...@2ndquadrant.com] 
Sent: Friday, June 30, 2017 5:40 PM
To: K S, Sandhya (Nokia - IN/Bangalore) <sandhya....@nokia.com>
Cc: pgsql-hackers@postgresql.org; pgsql-b...@postgresql.org; T, Rasna (Nokia - 
IN/Bangalore) <rasn...@nokia.com>; Itnal, Prakash (Nokia - IN/Bangalore) 
Subject: Re: [HACKERS] Postgres process invoking exit resulting in sh-QUIT core

On 30 June 2017 at 17:41, K S, Sandhya (Nokia - IN/Bangalore)
<sandhya....@nokia.com> wrote:

> When we checked the process listing during the time of core generation, we
> found Postgres startup process is invoking “sh -c exit 1”:
> 4518      9249  0.1  0.0 155964  2036 ?        Ss   15:05   0:00 postgres:
> startup process   waiting for 0000000100000000000002EB

Looks like an archive_command or restore_command .

If 'sh' is dumping core, you probably have issues at a low level in
the kernel, file system, etc. Check dmesg.

 Craig Ringer                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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