VIMAGE: Freed UMA keg was not empty

[Adrian Chadd]

Well, the first step is figuring out which UMA zones are actually
problematic. Isn't it logging which zones aren't empty?


-a


On 26 November 2013 20:01, Craig Rodrigues <rodrigc at freebsd.org> wrote:
> Adrian,
>
> As part of looking at this bug in FreeNAS:
>
> "Panic on new jail with vnet"
> https://bugs.freenas.org/issues/3102
>
> I started looking at this thread:
>
> http://lists.freebsd.org/pipermail/freebsd-current/2010-November/021280.html
>
> Based on this clue from Thiery:
>
> http://lists.freebsd.org/pipermail/freebsd-current/2010-November/021291.html
>
> I fixed some VIMAGE related memory leaks related to routetbl.
> I also fixed some VIMAGE related kernel panics when
> I tried creating and deleting lots of jails:
>
> http://lists.freebsd.org/pipermail/svn-src-all/2013-November/077178.html
> http://lists.freebsd.org/pipermail/svn-src-all/2013-November/077192.html
> http://lists.freebsd.org/pipermail/svn-src-all/2013-November/077195.html
>
> I haven't eliminated all the "Freed UMA keg was not empty"
> error messages.
>
> Do you have any recommendations for how I can track down the last
> few UMA related memory leaks?  I am new to debugging UMA so
> would appreciate any pointers that you may have.
> --
> Craig