On 2019-01-08 10:06:25 [+0100], Peter Zijlstra wrote:
> Much appreciated; I queued it as the below.
thank you, queued, too.
Sebastian
On Tue, Jan 08, 2019 at 06:30:59AM +0100, Mike Galbraith wrote:
> On Mon, 2019-01-07 at 13:52 +0100, Peter Zijlstra wrote:
> > On Mon, Jan 07, 2019 at 01:28:34PM +0100, Mike Galbraith wrote:
> > > diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> > > index 960ad0ce77d7..420624c49f38 100644
>
On Mon, 2019-01-07 at 13:52 +0100, Peter Zijlstra wrote:
> On Mon, Jan 07, 2019 at 01:28:34PM +0100, Mike Galbraith wrote:
> > diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> > index 960ad0ce77d7..420624c49f38 100644
> > --- a/kernel/sched/fair.c
> > +++ b/kernel/sched/fair.c
> > @@ -5007,
On Mon, Jan 07, 2019 at 01:28:34PM +0100, Mike Galbraith wrote:
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index 960ad0ce77d7..420624c49f38 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -5007,9 +5007,9 @@ void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b)
>
On Mon, 2019-01-07 at 11:26 +0100, Peter Zijlstra wrote:
>
> I would expect lockdep you also complain about this...
And grumble it did.
commit df7e8acc0c9a84979a448d215b8ef889efe4ac5a
Author: Mike Galbraith
Date: Fri May 4 08:14:38 2018 +0200
sched/fair: Fix CFS bandwidth control lockdep
On Fri, Jan 04, 2019 at 12:42:27PM +, Tom Putzeys wrote:
> Dear Ingo and Peter,
>
> I would like to report a possible bug in the CFS scheduler causing a
> dead lock.
>
> We suspect this bug to have caused intermittent yet highly-persistent
> system freezes on our quad-core SMP systems.
>
>
Dear Ingo and Peter,
I would like to report a possible bug in the CFS scheduler causing a dead lock.
We suspect this bug to have caused intermittent yet highly-persistent system
freezes on our quad-core SMP systems.
We noticed the problem on 4.1.17 preempt-rt but we suspect the problematic cod
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