Re: [next-20120823] NOHZ: local_softirq_pending 200 on s/r

2012-08-24 Thread Thomas Gleixner
On Fri, 24 Aug 2012, Paul E. McKenney wrote: > On Fri, Aug 24, 2012 at 09:26:08AM +0200, Mike Galbraith wrote: > > On Thu, 2012-08-23 at 12:04 +0200, Sedat Dilek wrote: > > > > > Jack Winter confirmed to see similiar NOHZ messages also on > > > v3.4.9-rt17 kernel (CPU: Core2Duo when no suspend pe

Re: [next-20120823] NOHZ: local_softirq_pending 200 on s/r

2012-08-24 Thread Paul E. McKenney
On Fri, Aug 24, 2012 at 09:26:08AM +0200, Mike Galbraith wrote: > On Thu, 2012-08-23 at 12:04 +0200, Sedat Dilek wrote: > > > Jack Winter confirmed to see similiar NOHZ messages also on > > v3.4.9-rt17 kernel (CPU: Core2Duo when no suspend performed): > > > > [15223.171585] NOHZ: local_softirq_pe

Re: [next-20120823] NOHZ: local_softirq_pending 200 on s/r

2012-08-24 Thread Mike Galbraith
On Thu, 2012-08-23 at 12:04 +0200, Sedat Dilek wrote: > Jack Winter confirmed to see similiar NOHZ messages also on > v3.4.9-rt17 kernel (CPU: Core2Duo when no suspend performed): > > [15223.171585] NOHZ: local_softirq_pending 08 These can be caused by blocking while holding local_softirq_lock.

Re: [next-20120823] NOHZ: local_softirq_pending 200 on s/r

2012-08-23 Thread Paul E. McKenney
On Thu, Aug 23, 2012 at 06:06:23PM +0200, Sedat Dilek wrote: > On Thu, Aug 23, 2012 at 5:43 PM, Paul E. McKenney > wrote: [ . . . ] > Applying this patch on top of my local GIT tree results in error-messages: > > [...] > CC kernel/rcupdate.o > AS arch/x86/platform/efi/efi_stub_64

Re: [next-20120823] NOHZ: local_softirq_pending 200 on s/r

2012-08-23 Thread Sedat Dilek
On Thu, Aug 23, 2012 at 5:43 PM, Paul E. McKenney wrote: > On Thu, Aug 23, 2012 at 12:46:37PM +0200, Thomas Gleixner wrote: >> On Thu, 23 Aug 2012, Sedat Dilek wrote: >> >> > Hi, >> > >> > this week I was seeing the below NOHZ messages in my logs especially >> > when suspending and resuming. >> >

Re: [next-20120823] NOHZ: local_softirq_pending 200 on s/r

2012-08-23 Thread Paul E. McKenney
On Thu, Aug 23, 2012 at 12:46:37PM +0200, Thomas Gleixner wrote: > On Thu, 23 Aug 2012, Sedat Dilek wrote: > > > Hi, > > > > this week I was seeing the below NOHZ messages in my logs especially > > when suspending and resuming. > > > > Currently, I am using linux-next (next-20120823) on Ubuntu/p

Re: [next-20120823] NOHZ: local_softirq_pending 200 on s/r

2012-08-23 Thread Thomas Gleixner
On Thu, 23 Aug 2012, Sedat Dilek wrote: > Hi, > > this week I was seeing the below NOHZ messages in my logs especially > when suspending and resuming. > > Currently, I am using linux-next (next-20120823) on Ubuntu/precise > AMD64 with a Intel S(a)N(dy)B(ridge)-CPU. > > $ dmesg | grep -A1 -B1 -i