Unusually high "Wired" memory

[Borja Marcos]

> On 13 Sep 2017, at 17:56, Dan Nelson via freebsd-stable <freebsd-stable at freebsd.org> wrote:
> 
> 2017-09-12 1:27 GMT-05:00 Borja Marcos <borjam at sarenet.es>:
>> 
>> 
>>> On 11 Sep 2017, at 11:25, Borja Marcos <borjam at sarenet.es> wrote:
>>> 
>>>> Since I’ve updated a machine to 11.1-STABLE I am seeing a rather unusual growth of Wired memory.
>>>> 
>>>> Any hints on what might have changed from 11-RELEASE to 11.1-RELEASE and 11.1-STABLE?
>> 
>> vmstat -z and vmstat -m follow
>> 
>> % vmstat -z
>> ITEM                   SIZE  LIMIT     USED     FREE      REQ FAIL SLEEP
>> [...]
>> g_bio:                  376,      0,15235172,     248,477839025,   0,   0
>> [...]
> 
> 
> I think this is the problem - you're leaking g_bio objects (5.7 GB
> currently allocated if you multiply SIZE*USED).  I'm seeing the same
> thing and it looks like it started after the recent ZFS merges from
> -current.  I have filed a bugreport with some more info (
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222288 ).

Confirmed, thank you :)

Going back to RELENG-11.1 solved it, so the slip must be quite recent.




Borja.