On Mon, Jun 29, 2015 at 03:18:45AM -0700, Jarno Rajahalme wrote:
> 
> > On Jun 26, 2015, at 8:54 AM, Ben Pfaff <b...@nicira.com> wrote:
> > 
> > On Thu, Jun 25, 2015 at 12:48:27PM +0900, Simon Horman wrote:
> >> Hi Ben,
> >> 
> >> On Tue, Jun 23, 2015 at 11:38:56AM -0700, Ben Pfaff wrote:
> >>> Groups were not destroyed until after lots of other important bridge
> >>> data had been destroyed, including the connection manager.  There was an
> >>> indirect dependency on the connection manager for bridge destruction
> >>> because destroying a group also destroys all of the flows that reference
> >>> the group, which in turn causes the ofmonitor to be invoked to report that
> >>> the flows had been destroyed.  This commit fixes the problem by destroying
> >>> groups earlier.
> >>> 
> >>> The problem can be observed by reverting the code changes in this commit
> >>> then running "make check-valgrind" with the test that this commit
> >>> introduces.
> >>> 
> >>> Reported-by: Simon Horman <simon.hor...@netronome.com>
> >>> Signed-off-by: Ben Pfaff <b...@nicira.com>
> >> 
> >> Thanks for following up on this; your patch looks good to me.
> >> 
> >> Reviewed-by: Simon Horman <simon.hor...@netronome.com>
> > 
> > Thanks Simon, I applied this to master and branch-2.4.  I don't know
> > whether branch-2.3 has the problem, but the patch doesn't apply cleanly
> > and valgrind doesn't report an error with the test on that branch.
> 
> I did not look into this, but it would not be surprising for the
> branch-2.3 not to have the problem, as ofproto.c has been refactored
> twice since 2.3.

You're probably right, that's what I assumed too.
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