From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: Pete Heist <pete@heistp.net>
Cc: Cake List <cake@lists.bufferbloat.net>
Subject: Re: [Cake] lockup with multiple cake instances on 3.16.7
Date: Fri, 1 Feb 2019 00:31:17 +0100 [thread overview]
Message-ID: <CAPB2EArTMBY10TD4j_TX7b3cmAFn2r_32xxFXhNTuOLsUvuKNQ@mail.gmail.com> (raw)
In-Reply-To: <7052193E-AB03-4FF7-9155-4CE62A43D22F@heistp.net>
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On Fri, 1 Feb 2019, 00:23 Pete Heist <pete@heistp.net wrote:
>
> > On Feb 1, 2019, at 12:18 AM, Toke Høiland-Jørgensen <toke@redhat.com>
> wrote:
> >
> > (crossed streams; but yeah, basically the same conclusion)
>
> Ok, crossed-crossed streams references it is… :)
>
> >> Do you think this is a correct patch?
> >
> > Well, the "correct patch" would be to get upstream fixed :)
> >
> > But yeah, I don't think it would hurt to carry this as a workaround
> > patch until that happens...
> >
> > I guess you could try running it for a while and see if anything else
> > blows up? You seem to have quite a knack for getting it to fail... ;)
>
> That sounds reasonable, let me see if I can break it in some different
> cases.
>
Cool.
My guess is, past qdiscs didn’t manage to fill the tailroom space and cause
> this problem, but I’m not sure…
>
Wouldn't be the first bug we've exposed in this code:
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=d5a672ac9f48f81b20b1cad1d9ed7bbf4e418d4c
-Toke
>
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prev parent reply other threads:[~2019-01-31 23:31 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-30 8:58 Pete Heist
2019-01-30 22:59 ` Toke Høiland-Jørgensen
2019-01-31 7:15 ` Pete Heist
2019-01-31 14:53 ` Toke Høiland-Jørgensen
2019-01-31 20:25 ` Pete Heist
2019-01-31 23:09 ` Toke Høiland-Jørgensen
2019-01-31 23:18 ` Pete Heist
2019-01-31 23:10 ` Pete Heist
2019-01-31 23:18 ` Toke Høiland-Jørgensen
2019-01-31 23:23 ` Pete Heist
2019-01-31 23:31 ` Toke Høiland-Jørgensen [this message]
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