[dpdk-dev] Hugepages not being deleted

[Carrillo, Erik G]

> -----Original Message-----
> From: Burakov, Anatoly
> Sent: Monday, May 20, 2019 6:45 AM
> To: David Marchand <david.marchand at redhat.com>
> Cc: Michael Santana <msantana at redhat.com>; dev <dev at dpdk.org>;
> Carrillo, Erik G <erik.g.carrillo at intel.com>
> Subject: Re: [dpdk-dev] Hugepages not being deleted
> 
> On 20-May-19 12:09 PM, David Marchand wrote:
> > On Mon, May 20, 2019 at 12:43 PM Burakov, Anatoly
> > <anatoly.burakov at intel.com <mailto:anatoly.burakov at intel.com>> wrote:
> >
> >     On 17-May-19 3:06 PM, David Marchand wrote:
> >      > Hello Anatoly,
> >      >
> >      > Not sure what the issue is at the moment.
> >      > I too have an error on the eal_flags_autotest but what is
> >     worrying me is
> >      > that it works fine in 18.11.1 and 19.02.
> >      > Is there anything that rings a bell?
> >      >
> >      > Thanks.
> >      >
> >      > --
> >      > David Marchand
> >
> >     Not to me. Last i checked they were passing.
> >
> >
> > Bisected it, I will send a fix.
> >
> >
> > --
> > David Marchand
> 
> I've bisected it too. I think Erik (author of original patch) already is working on
> the problem. I don't think it's easily (and safely) solvable.
> You can find more info in below threads:
> 
> http://patches.dpdk.org/patch/53191/
> http://patches.dpdk.org/patch/53268/
> 

Yes, there a memzone that needs to be properly freed at finalize/cleanup time in the timer library.  One way to free it safely was explored in the following:

http://patchwork.dpdk.org/patch/53334/

but that solution has ABI implications that were undesirable.  Still looking for a better way.

Thanks,
Erik

> --
> Thanks,
> Anatoly