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From: David Marchand <david.marchand@redhat.com>
To: "Van Haaren, Harry" <harry.van.haaren@intel.com>
Cc: Aaron Conole <aconole@redhat.com>, dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] [RFC] service: stop lcore threads before 'finalize'
Date: Thu, 20 Feb 2020 14:25:29 +0100	[thread overview]
Message-ID: <CAJFAV8w9_m+TyzHsF76yXej2Y=YExnvLQZoow_cU6VnRMpDhLA@mail.gmail.com> (raw)
In-Reply-To: <MN2PR11MB4447E9C17B3505FFC271EBD7D7190@MN2PR11MB4447.namprd11.prod.outlook.com>

On Mon, Feb 10, 2020 at 3:16 PM Van Haaren, Harry
<harry.van.haaren@intel.com> wrote:
> > > We need a fix for this issue.
> >
> > +1
>
> > > Interestingly, Stephen patch that joins all pthreads at
> > > rte_eal_cleanup [1] makes this issue disappear.
> > > So my understanding is that we are missing a api (well, I could not
> > > find a way) to synchronously stop service lcores.
> >
> > Maybe we can take that patch as a fix.  I hate to see this segfault
> > in the field.  I need to figure out what I missed in my cleanup
> > (probably missed a synchronization point).
>
> I haven't easily reproduced this yet - so I'll investigate a way to
> reproduce with close to 100% rate, then we can identify the root cause
> and actually get a clean fix. If you have pointers to reproduce easily,
> please let me know.
>

ping.
I want a fix in 20.05, or I will start considering how to drop this thing.


-- 
David Marchand


  parent reply	other threads:[~2020-02-20 13:25 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-16 19:50 Aaron Conole
2020-01-17  8:17 ` David Marchand
2020-02-04 13:34   ` David Marchand
2020-02-04 14:50     ` Aaron Conole
2020-02-10 14:16       ` Van Haaren, Harry
2020-02-10 14:42         ` David Marchand
2020-02-20 13:25         ` David Marchand [this message]
2020-02-21 12:28           ` Van Haaren, Harry
2020-03-10 13:04             ` David Marchand
2020-03-10 13:27               ` Van Haaren, Harry

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