On Fri, 02 May 2014 08:52:22 -0600
Toshi Kani wrote:
> On Fri, 2014-05-02 at 10:21 +0200, Igor Mammedov wrote:
> > On Thu, 01 May 2014 17:11:56 -0600
> > Toshi Kani wrote:
> :
> > > When 10s passed, the master could set a new flag, ex.
> > > cpu_callout_error_mask, which wait_for_master_cpu()
On Fri, 02 May 2014 08:52:22 -0600
Toshi Kani toshi.k...@hp.com wrote:
On Fri, 2014-05-02 at 10:21 +0200, Igor Mammedov wrote:
On Thu, 01 May 2014 17:11:56 -0600
Toshi Kani toshi.k...@hp.com wrote:
:
When 10s passed, the master could set a new flag, ex.
cpu_callout_error_mask, which
On Fri, 2014-05-02 at 10:21 +0200, Igor Mammedov wrote:
> On Thu, 01 May 2014 17:11:56 -0600
> Toshi Kani wrote:
:
> > When 10s passed, the master could set a new flag, ex.
> > cpu_callout_error_mask, which wait_for_master_cpu() checks and call
> > play_dead() when it is set. This avoids AP to
On Thu, 01 May 2014 17:11:56 -0600
Toshi Kani wrote:
> On Mon, 2014-04-14 at 17:11 +0200, Igor Mammedov wrote:
> > Hang is observed on virtual machines during CPU hotplug,
> > especially in big guests with many CPUs. (It reproducible
> > more often if host is over-committed).
> >
> > It happens
On Thu, 01 May 2014 17:11:56 -0600
Toshi Kani toshi.k...@hp.com wrote:
On Mon, 2014-04-14 at 17:11 +0200, Igor Mammedov wrote:
Hang is observed on virtual machines during CPU hotplug,
especially in big guests with many CPUs. (It reproducible
more often if host is over-committed).
It
On Fri, 2014-05-02 at 10:21 +0200, Igor Mammedov wrote:
On Thu, 01 May 2014 17:11:56 -0600
Toshi Kani toshi.k...@hp.com wrote:
:
When 10s passed, the master could set a new flag, ex.
cpu_callout_error_mask, which wait_for_master_cpu() checks and call
play_dead() when it is set. This
On Mon, 2014-04-14 at 17:11 +0200, Igor Mammedov wrote:
> Hang is observed on virtual machines during CPU hotplug,
> especially in big guests with many CPUs. (It reproducible
> more often if host is over-committed).
>
> It happens because master CPU gives up waiting on
> secondary CPU and allows
On Mon, 2014-04-14 at 17:11 +0200, Igor Mammedov wrote:
Hang is observed on virtual machines during CPU hotplug,
especially in big guests with many CPUs. (It reproducible
more often if host is over-committed).
It happens because master CPU gives up waiting on
secondary CPU and allows it to
Hang is observed on virtual machines during CPU hotplug,
especially in big guests with many CPUs. (It reproducible
more often if host is over-committed).
It happens because master CPU gives up waiting on
secondary CPU and allows it to run wild. As result
AP causes locking or crashing system. For
Hang is observed on virtual machines during CPU hotplug,
especially in big guests with many CPUs. (It reproducible
more often if host is over-committed).
It happens because master CPU gives up waiting on
secondary CPU and allows it to run wild. As result
AP causes locking or crashing system. For
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