maria-developers team mailing list archive

["Vladislav Vaintroub" <wlad@xxxxxxxxxxxxxxxx>]

> -----Original Message-----
> From: Sergei Golubchik [mailto:serg@xxxxxxxxxxx]
> Sent: Donnerstag, 8. August 2013 18:29
> To: maria-developers@xxxxxxxxxxxxxxxxxxx
> Cc: Vladislav Vaintroub
> Subject: Re: Rev 3804: MDEV-4712 : Fix "shutdown" test
> 
> Hi, Vladislav!
> 
> On Jul 31, Vladislav Vaintroub wrote:
> > ------------------------------------------------------------
> > revno: 3804
> > revision-id: wlad@xxxxxxxxxxxxxxxx-20130731130414-ukqxbb0kxpexjnzp
> > parent: svoj@xxxxxxxxxxx-20130731110211-09p66bwf4jrmi03i
> > committer: Vladislav Vaintroub <wlad@xxxxxxxxxxxxxxxx>
> > branch nick: 10.0-serg
> > timestamp: Wed 2013-07-31 15:04:14 +0200
> > message:
> >   MDEV-4712 : Fix "shutdown" test.
> >
> >   There is a race condition during shutdown, that happens when "show
status"
> runs during shutdown.
> >   Functions show_slave_running(), show_slave_received_heartbeats(),
> show_heartbeat_period() would dereference NULL pointer master_info_index,
> after this variable is  set to NULL in slave_end() during shutdown.
> >   Fix introduces check for master_info_index == NULL in the affected
> functions.
> 
> Was it related to the new shutdown command? Or it could be also observed
> without it by, say, running show status in a loop, while stopping the
> server with mysqladmin?

Hi Serg,
It is unrelated to shutdown command, and  should be reproducible e.g with
mysqladmin (though, I did not try and just used the "shutdown" test case)