Re: [PATCH] CPU hotplug, smpboot: Fix crash in smpboot_thread_fn()

2013-04-11 Thread Srivatsa S. Bhat
On 04/11/2013 01:40 PM, Thomas Gleixner wrote: > On Wed, 10 Apr 2013, Srivatsa S. Bhat wrote: > >> Interestingly, in every single stack trace, the crashing task is the >> migration >> thread. Now, migration thread belongs to the highest priority stop_task sched >> class, and this particular

Re: [PATCH] CPU hotplug, smpboot: Fix crash in smpboot_thread_fn()

2013-04-11 Thread Thomas Gleixner
On Wed, 10 Apr 2013, Srivatsa S. Bhat wrote: > Interestingly, in every single stack trace, the crashing task is the migration > thread. Now, migration thread belongs to the highest priority stop_task sched > class, and this particular sched class is very unique in the way it implements > its

Re: [PATCH] CPU hotplug, smpboot: Fix crash in smpboot_thread_fn()

2013-04-11 Thread Thomas Gleixner
On Wed, 10 Apr 2013, Srivatsa S. Bhat wrote: Interestingly, in every single stack trace, the crashing task is the migration thread. Now, migration thread belongs to the highest priority stop_task sched class, and this particular sched class is very unique in the way it implements its internal

Re: [PATCH] CPU hotplug, smpboot: Fix crash in smpboot_thread_fn()

2013-04-11 Thread Srivatsa S. Bhat
On 04/11/2013 01:40 PM, Thomas Gleixner wrote: On Wed, 10 Apr 2013, Srivatsa S. Bhat wrote: Interestingly, in every single stack trace, the crashing task is the migration thread. Now, migration thread belongs to the highest priority stop_task sched class, and this particular sched class is

[PATCH] CPU hotplug, smpboot: Fix crash in smpboot_thread_fn()

2013-04-10 Thread Srivatsa S. Bhat
ps? Regards, Srivatsa S. Bhat --> From: Srivatsa S. Bhat Subject: [PATCH] CPU hotplug, smpboot: Fix crash in smpboot_thread_fn() Dave Hansen and Borislav Petkov reported the following crash, which corresponds the following BUG_ON in smp

[PATCH] CPU hotplug, smpboot: Fix crash in smpboot_thread_fn()

2013-04-10 Thread Srivatsa S. Bhat
-- From: Srivatsa S. Bhat srivatsa.b...@linux.vnet.ibm.com Subject: [PATCH] CPU hotplug, smpboot: Fix crash in smpboot_thread_fn() Dave Hansen and Borislav Petkov reported the following crash, which corresponds the following BUG_ON in smpboot_thread_fn