Re: Backend crash on non-exclusive backup cancel

From: Andres Freund <andres(at)anarazel(dot)de>
To: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
Cc: Anastasia Lubennikova <lubennikovaav(at)gmail(dot)com>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>, David Steele <david(at)pgmasters(dot)net>
Subject: Re: Backend crash on non-exclusive backup cancel
Date: 2017-03-15 15:46:38
Message-ID: 20170315154638.tuca45qzvydzmvu7@alap3.anarazel.de
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Hi,

On 2017-03-15 15:28:03 +0900, Michael Paquier wrote:
> diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
> index 64335f909e..eaf8e32fe1 100644
> --- a/src/backend/access/transam/xlog.c
> +++ b/src/backend/access/transam/xlog.c
> --- a/src/backend/access/transam/xlogfuncs.c
> +++ b/src/backend/access/transam/xlogfuncs.c
> diff --git a/src/include/access/xlog.h b/src/include/access/xlog.h
> index 104ee7dd5e..d4abf94862 100644
> --- a/src/include/access/xlog.h
> +++ b/src/include/access/xlog.h
> @@ -288,8 +288,26 @@ extern void assign_max_wal_size(int newval, void *extra);
> extern void assign_checkpoint_completion_target(double newval, void *extra);

This seems like something easy enough to exercise in a tap test, could
we get one?

Greetings,

Andres Freund

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