On Thu, Apr 03, 2014 at 08:43:37AM +0200, Ingo Molnar wrote:
>
> * Igor Mammedov wrote:
>
> > > I've seen that. Kernel still boots. With your patch it would hang.
>
> Nonsense, not booting is OK when critical hardware is genuinely bad -
> this isn't a disk drive or networking where bad IO
* Igor Mammedov wrote:
> > I've seen that. Kernel still boots. With your patch it would hang.
Nonsense, not booting is OK when critical hardware is genuinely bad -
this isn't a disk drive or networking where bad IO 'happens sometimes'
and failure is something we have to engineer for - this
On Thu, Apr 03, 2014 at 08:43:37AM +0200, Ingo Molnar wrote:
* Igor Mammedov imamm...@redhat.com wrote:
I've seen that. Kernel still boots. With your patch it would hang.
Nonsense, not booting is OK when critical hardware is genuinely bad -
this isn't a disk drive or networking where
* Igor Mammedov imamm...@redhat.com wrote:
I've seen that. Kernel still boots. With your patch it would hang.
Nonsense, not booting is OK when critical hardware is genuinely bad -
this isn't a disk drive or networking where bad IO 'happens sometimes'
and failure is something we have to
On Wed, Apr 02, 2014 at 11:29:56PM +0200, Igor Mammedov wrote:
> On Wed, 02 Apr 2014 10:15:29 -0700
> Andi Kleen wrote:
>
> > Igor Mammedov writes:
> >
> > > Hang is observed on virtual machines during CPU hotplug,
> > > especially in big guests with many CPUs. (It reproducible
> > > more
On Wed, 02 Apr 2014 10:15:29 -0700
Andi Kleen wrote:
> Igor Mammedov writes:
>
> > 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
Igor Mammedov writes:
> 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
Igor Mammedov imamm...@redhat.com writes:
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
On Wed, 02 Apr 2014 10:15:29 -0700
Andi Kleen a...@firstfloor.org wrote:
Igor Mammedov imamm...@redhat.com writes:
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 Wed, Apr 02, 2014 at 11:29:56PM +0200, Igor Mammedov wrote:
On Wed, 02 Apr 2014 10:15:29 -0700
Andi Kleen a...@firstfloor.org wrote:
Igor Mammedov imamm...@redhat.com writes:
Hang is observed on virtual machines during CPU hotplug,
especially in big guests with many CPUs. (It
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
12 matches
Mail list logo
