On Sun, 2 Nov 2014, Daniel J Blueman wrote:
> I just got a window to test this, and it reliably addresses the boot-time core
> onlining race that we've seen occasionally on a 2000-core customer system.
> Splendid work, Thomas.
>
> Tested-by: Daniel J Blueman
Well, you forgot to read my follow up
On Thursday, June 26, 2014 8:50:01 AM UTC+8, Thomas Gleixner wrote:
> On Wed, 25 Jun 2014, Subbaraman Narayanamurthy wrote:
> > While stressing the CPU hotplug path, sometimes we hit a problem
> > as shown below.
> >
> > [57056.416774] [ cut here ]
> > [57056.489232] ksofti
On Thu, 26 Jun 2014, Subbaraman Narayanamurthy wrote:
> On 06/25/14 17:43, Thomas Gleixner wrote:
> > The kthread park/unpark logic has the following issue:
> >
> > Task CPU 0CPU 1
> >
> > T1 unplug cpu1
> > kthread_park(T2)
> > set_bit(KTHREA
On 06/25/14 17:43, Thomas Gleixner wrote:
The kthread park/unpark logic has the following issue:
Task CPU 0CPU 1
T1 unplug cpu1
kthread_park(T2)
set_bit(KTHREAD_SHOULD_PARK);
wait_for_completion()
T2
On Wed, Jun 25, 2014 at 10:00:22PM -0400, Steven Rostedt wrote:
> On Thu, Jun 26, 2014 at 02:43:56AM +0200, Thomas Gleixner wrote:
> >
> > Subject: kthread: Plug park/ unplug race
> > From: Thomas Gleixner
> > Date: Thu, 26 Jun 2014 01:24:36 +0200
> >
> > The kthread park/unpark logic has the fo
On Thu, Jun 26, 2014 at 02:43:56AM +0200, Thomas Gleixner wrote:
>
> Subject: kthread: Plug park/ unplug race
> From: Thomas Gleixner
> Date: Thu, 26 Jun 2014 01:24:36 +0200
>
> The kthread park/unpark logic has the following issue:
>
> Task CPU 0 CPU 1
>
> T1 un
On Wed, 25 Jun 2014, Subbaraman Narayanamurthy wrote:
> While stressing the CPU hotplug path, sometimes we hit a problem
> as shown below.
>
> [57056.416774] [ cut here ]
> [57056.489232] ksoftirqd/1 (14): undefined instruction: pc=c01931e8
> [57056.489245] Code: e594a000
While stressing the CPU hotplug path, sometimes we hit a problem
as shown below.
[57056.416774] [ cut here ]
[57056.489232] ksoftirqd/1 (14): undefined instruction: pc=c01931e8
[57056.489245] Code: e594a000 eb085236 e15a 0a00 (e7f001f2)
[57056.489259] [
8 matches
Mail list logo