Re: Boot failure on emev2/kzm9d (was: Re: [PATCH v2 11/11] mm/slab: lockless decision to grow cache)

On Thu, Jun 30, 2016 at 03:31:57PM +0200, Geert Uytterhoeven wrote: > Hi Paul, > > On Thu, Jun 30, 2016 at 3:24 PM, Paul E. McKenney > wrote: > > On Thu, Jun 30, 2016 at 09:58:51AM +0200, Geert Uytterhoeven wrote: > >> On Thu, Jun 30, 2016 at 9:47 AM, Joonsoo Kim >

Re: Boot failure on emev2/kzm9d (was: Re: [PATCH v2 11/11] mm/slab: lockless decision to grow cache)

On Thu, Jun 30, 2016 at 05:53:42PM +0200, Geert Uytterhoeven wrote: > On Thu, 30 Jun 2016, Paul E. McKenney wrote: > > On Thu, Jun 30, 2016 at 03:31:57PM +0200, Geert Uytterhoeven wrote: > > > On Thu, Jun 30, 2016 at 3:24 PM, Paul E. McKenney > > > wrote: > >

Re: Boot failure on emev2/kzm9d (was: Re: [PATCH v2 11/11] mm/slab: lockless decision to grow cache)

On Thu, Jun 30, 2016 at 09:58:51AM +0200, Geert Uytterhoeven wrote: > Hi Joonsoo, > > On Thu, Jun 30, 2016 at 9:47 AM, Joonsoo Kim wrote: > > On Wed, Jun 29, 2016 at 11:12:08AM -0700, Paul E. McKenney wrote: > >> On Wed, Jun 29, 2016 at 07:52:06PM +0200, Geert Uytterhoe

Re: Boot failure on emev2/kzm9d (was: Re: [PATCH v2 11/11] mm/slab: lockless decision to grow cache)

On Wed, Jun 29, 2016 at 07:52:06PM +0200, Geert Uytterhoeven wrote: > Hi Paul, > > On Wed, Jun 29, 2016 at 6:44 PM, Paul E. McKenney > wrote: > > On Wed, Jun 29, 2016 at 04:54:44PM +0200, Geert Uytterhoeven wrote: > >> On Thu, Jun 23, 2016 at 4:53 AM, Paul E. McKenney

Re: Boot failure on emev2/kzm9d (was: Re: [PATCH v2 11/11] mm/slab: lockless decision to grow cache)

On Wed, Jun 29, 2016 at 04:54:44PM +0200, Geert Uytterhoeven wrote: > Hi Paul, > > On Thu, Jun 23, 2016 at 4:53 AM, Paul E. McKenney > wrote: > > On Wed, Jun 22, 2016 at 07:47:42PM -0700, Paul E. McKenney wrote: [ . . . ] > > @@ -4720,11 +4720,18 @@ static void __ini

Re: Boot failure on emev2/kzm9d (was: Re: [PATCH v2 11/11] mm/slab: lockless decision to grow cache)

On Wed, Jun 22, 2016 at 07:53:29PM -0700, Paul E. McKenney wrote: > On Wed, Jun 22, 2016 at 07:47:42PM -0700, Paul E. McKenney wrote: > > On Thu, Jun 23, 2016 at 11:37:56AM +0900, Joonsoo Kim wrote: > > > On Wed, Jun 22, 2016 at 05:49:35PM -0700, Paul E. McKenney wrote: >

Re: Boot failure on emev2/kzm9d (was: Re: [PATCH v2 11/11] mm/slab: lockless decision to grow cache)

On Wed, Jun 22, 2016 at 07:47:42PM -0700, Paul E. McKenney wrote: > On Thu, Jun 23, 2016 at 11:37:56AM +0900, Joonsoo Kim wrote: > > On Wed, Jun 22, 2016 at 05:49:35PM -0700, Paul E. McKenney wrote: > > > On Wed, Jun 22, 2016 at 12:08:59PM -0700, Paul E. McKenney wrote: >

Re: Boot failure on emev2/kzm9d (was: Re: [PATCH v2 11/11] mm/slab: lockless decision to grow cache)

On Thu, Jun 23, 2016 at 11:37:56AM +0900, Joonsoo Kim wrote: > On Wed, Jun 22, 2016 at 05:49:35PM -0700, Paul E. McKenney wrote: > > On Wed, Jun 22, 2016 at 12:08:59PM -0700, Paul E. McKenney wrote: > > > On Wed, Jun 22, 2016 at 05:01:35PM +0200, Geert Uytterhoeven wrote: >

Re: Boot failure on emev2/kzm9d (was: Re: [PATCH v2 11/11] mm/slab: lockless decision to grow cache)

On Wed, Jun 22, 2016 at 12:08:59PM -0700, Paul E. McKenney wrote: > On Wed, Jun 22, 2016 at 05:01:35PM +0200, Geert Uytterhoeven wrote: > > On Wed, Jun 22, 2016 at 2:52 AM, Joonsoo Kim wrote: > > > Could you try below patch to check who causes the hang? > > > > &

Re: Boot failure on emev2/kzm9d (was: Re: [PATCH v2 11/11] mm/slab: lockless decision to grow cache)

On Wed, Jun 22, 2016 at 05:01:35PM +0200, Geert Uytterhoeven wrote: > On Wed, Jun 22, 2016 at 2:52 AM, Joonsoo Kim wrote: > > Could you try below patch to check who causes the hang? > > > > And, if sysalt-t works when hang, could you get sysalt-t output? I haven't > > used it before but Paul could

Re: Boot failure on emev2/kzm9d (was: Re: [PATCH v2 11/11] mm/slab: lockless decision to grow cache)

On Wed, Jun 22, 2016 at 09:52:08AM +0900, Joonsoo Kim wrote: > On Tue, Jun 21, 2016 at 05:54:06AM -0700, Paul E. McKenney wrote: > > On Tue, Jun 21, 2016 at 03:43:02PM +0900, Joonsoo Kim wrote: > > > On Mon, Jun 20, 2016 at 06:12:54AM -0700, Paul E. McKenney wrote: > > >

Re: Boot failure on emev2/kzm9d (was: Re: [PATCH v2 11/11] mm/slab: lockless decision to grow cache)

On Tue, Jun 21, 2016 at 03:43:02PM +0900, Joonsoo Kim wrote: > On Mon, Jun 20, 2016 at 06:12:54AM -0700, Paul E. McKenney wrote: > > On Mon, Jun 20, 2016 at 03:39:43PM +0900, Joonsoo Kim wrote: > > > CCing Paul to ask some question. > > > > > > On Wed, Jun

Re: Boot failure on emev2/kzm9d (was: Re: [PATCH v2 11/11] mm/slab: lockless decision to grow cache)

On Mon, Jun 20, 2016 at 03:39:43PM +0900, Joonsoo Kim wrote: > CCing Paul to ask some question. > > On Wed, Jun 15, 2016 at 10:39:47AM +0200, Geert Uytterhoeven wrote: > > Hi Joonsoo, > > > > On Wed, Jun 15, 2016 at 4:23 AM, Joonsoo Kim wrote: > > > On Tue, Jun 14, 2016 at 12:45:14PM +0200, Geer

Re: RCU lockup? (was: Re: [PATCH v2 tip/core/rcu 10/14] rcu: Don't redundantly disable irqs in rcu_irq_{enter,exit}())

On Sat, Jan 23, 2016 at 10:43:19AM +0100, Geert Uytterhoeven wrote: > Hi Paul, > > On Fri, Jan 22, 2016 at 9:44 PM, Paul E. McKenney > wrote: > > On Fri, Jan 22, 2016 at 09:55:44AM +0100, Geert Uytterhoeven wrote: > >> On Thu, Jan 21, 2016 at 5:06 PM, Paul E. McKenney

Re: RCU lockup? (was: Re: [PATCH v2 tip/core/rcu 10/14] rcu: Don't redundantly disable irqs in rcu_irq_{enter,exit}())

On Fri, Jan 22, 2016 at 09:55:44AM +0100, Geert Uytterhoeven wrote: > Hi Paul, > > On Thu, Jan 21, 2016 at 5:06 PM, Paul E. McKenney > wrote: > > On Thu, Jan 21, 2016 at 02:22:56PM +0100, Geert Uytterhoeven wrote: > >> On Thu, Dec 10, 2015 at 12:10 AM, Paul E. McKenn

Re: RCU lockup? (was: Re: [PATCH v2 tip/core/rcu 10/14] rcu: Don't redundantly disable irqs in rcu_irq_{enter,exit}())

On Thu, Jan 21, 2016 at 02:22:56PM +0100, Geert Uytterhoeven wrote: > Hi Paul, > > On Thu, Dec 10, 2015 at 12:10 AM, Paul E. McKenney > wrote: > > This commit replaces a local_irq_save()/local_irq_restore() pair with > > a lockdep assertion that interrupts are alread