On Mon, Oct 09, 2017 at 10:04:45AM +0200, Peter Zijlstra wrote:
>On Sat, Oct 07, 2017 at 05:43:32PM +, Levin, Alexander (Sasha Levin) wrote:
>> On Sat, Oct 07, 2017 at 11:15:17AM +0200, Peter Zijlstra wrote:
>> >On Sat, Oct 07, 2017 at 02:07:26AM +, Levin, Alexander (Sasha Levin)
>> >wrote
On Sat, Oct 07, 2017 at 05:43:32PM +, Levin, Alexander (Sasha Levin) wrote:
> On Sat, Oct 07, 2017 at 11:15:17AM +0200, Peter Zijlstra wrote:
> >On Sat, Oct 07, 2017 at 02:07:26AM +, Levin, Alexander (Sasha Levin)
> >wrote:
> >> And quite a few lines of your added trace (lmk if you need mo
On Sat, Oct 07, 2017 at 02:07:26AM +, Levin, Alexander (Sasha Levin) wrote:
> And quite a few lines of your added trace (lmk if you need more, or all):
Yeah, could you please upload all of it somewhere? That chunk didn't
include any hotplug bits at all.
On Fri, Sep 29, 2017 at 01:11:26PM +0200, Peter Zijlstra wrote:
>I can't seem to trigger :-(
>
>Can you please run with the below patch and:
>
> # echo 1 > /proc/sys/kernel/traceoff_on_warning
The call stack trace looks like so:
[ 2073.492089] Unregister pv shared memory for cpu 2
[ 2073.495414]
On Thu, Sep 28, 2017 at 01:42:49PM +0200, Peter Zijlstra wrote:
> On Thu, Sep 28, 2017 at 11:03:10AM +, Levin, Alexander (Sasha Levin)
> wrote:
> > On Thu, Sep 28, 2017 at 12:35:41PM +0200, Peter Zijlstra wrote:
> > >On Thu, Sep 28, 2017 at 02:14:15AM -0700, Sasha Levin wrote:
>
> > >> [20355
On Thu, Sep 28, 2017 at 11:03:10AM +, Levin, Alexander (Sasha Levin) wrote:
> On Thu, Sep 28, 2017 at 12:35:41PM +0200, Peter Zijlstra wrote:
> >On Thu, Sep 28, 2017 at 02:14:15AM -0700, Sasha Levin wrote:
> >> [2035565360.446794] Unregister pv shared memory for cpu 2
> >> [2035565360.467930]
On Thu, Sep 28, 2017 at 12:35:41PM +0200, Peter Zijlstra wrote:
>On Thu, Sep 28, 2017 at 02:14:15AM -0700, Sasha Levin wrote:
>> On Thu, Sep 7, 2017 at 8:03 AM, Peter Zijlstra wrote:
>> > Migrating tasks to offline CPUs is a pretty big fail, warn about it.
>>
>> Hey Peter,
>>
>> This seems to get
On Thu, Sep 28, 2017 at 02:14:15AM -0700, Sasha Levin wrote:
> On Thu, Sep 7, 2017 at 8:03 AM, Peter Zijlstra wrote:
> > Migrating tasks to offline CPUs is a pretty big fail, warn about it.
>
> Hey Peter,
>
> This seems to get hit on the latest -next:
>
> [2035565360.446794] Unregister pv share
On Thu, Sep 7, 2017 at 8:03 AM, Peter Zijlstra wrote:
> Migrating tasks to offline CPUs is a pretty big fail, warn about it.
Hey Peter,
This seems to get hit on the latest -next:
[2035565360.446794] Unregister pv shared memory for cpu 2
[2035565360.467930] numa_remove_cpu cpu 2 node 2: mask now
Migrating tasks to offline CPUs is a pretty big fail, warn about it.
Signed-off-by: Peter Zijlstra (Intel)
---
kernel/sched/core.c |4
1 file changed, 4 insertions(+)
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1173,6 +1173,10 @@ void set_task_cpu(struct task_struct *p,
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